REFERENCES TO COMPUTER BASED CATALOGUE OF OPEN CLUSTERS 1. GENERAL REFERENCES 1.01 ALTER,G.,BALAZS,B.,RUPRECHT,J. :1970,CATALOGUE OF STAR CLUSTERS AND ASSOCIATIONS,2ND EDITION,BUDAPEST 1.02 DIXON,R.S.:1976,A MASTER LIST OF NON-STELLAR OBJECTS, PROCEEDINGS OF IAU COLLOQUIUM NO.35,167 1.03 BOCHUM-STRASBOURG MAGNETIC TAPE CATALOGUE OF OPEN CLUSTERS 1977 1.04 BUSCOMBE,W.:1978,COMPILATION OF OPEN CLUSTER PARAMETERS. PRIVATE COMMUNICATION 1.05 BASEL CATALOGUES OF GALACTIC STAR CLUSTERS OBSERVED IN THREE COLOURS BC IV: BECKER,W.,FENKART,R.:1971,ASTRON.ASTROPHYS.SUPPL.4,241 BC V: FENKART,R.,BINGGELI,B.:1979,ASTRON.ASTROPHYS.SUPPL.35,271 1.06 VAN DEN BERGH,S.,HAGEN,G.L.:1975,UNIFORM SURVEY OF CLUSTERS IN THE SOUTHERN MILKY WAY, ASTRON.J.80,11 1.07 JANES,K.,ADLER,D. :1982, OPEN CLUSTERS AND GALACTIC STRUCTURE. ASTROPHYS.J.SUPPL. 49,425 1.08 WRAMDEMARK,S. :1982, A STUDY OF RADIAL VELOCITIES OF OPEN CLUSTERS. PRIVATE COMMUNICATION 1.09 LYNGA,G. :1983, A RECLASSIFICATION OF OPEN CLUSTERS FROM SURVEY CHARTS. SEE INTRODUCTION. 1.10 SKIFF,B. :1983, PRIVATE COMMUNICATION 2. REFERENCES FOR ANGULAR DIAMETERS 2.01 MELOTTE,P.J.:1915,A CATALOGUE OF STAR CLUSTERS SHOWN ON FRANKLIN-ADAMS CHART PLATES.MEM.ROYAL ASTRON.SOC.60,175 2.02 REINMUTH,K.:1926,DIE HERSCHEL-NEBEL NACH AUFNAHMEN DER KOENIGSTUHL-STERNWARTE.VEROEFFENTLICHUNGEN STERNWARTE HEIDELBERG,BAND 9 2.03 TRUMPLER,R.J.:1930,PRELIMINARY RESULTS ON THE DISTANCES DIMENSIONS AND SPACE DISTRIBUTION OF OPEN STAR CLUSTERS. LICK OBS.BULL.14,154 2.04 SHAPLEY,H.:1930,STAR CLUSTERS.HARVARD OBS.MONOGRAPHS NO.2 2.05 COLLINDER,P:1931,ON STRUCTURAL PROPERTIES OF OPEN GALACTIC CLUSTERS AND THEIR SPATIAL DISTRIBUTION. LUND OBSERVATORY ANNALS NO. 2; COLLINDER DATA 2.06 REF. 2.05 WITH LUNDMARK DATA 2.07 TRUMPLER,R.J.:1931,THE DISTANCE OF THE ORION NEBULA. PUBL.ASTRON.SOC.PACIFIC 43,255 2.08 CLASEN M.-CH.:1937,FARBENINDIZES IN DEN OFFENEN STERNHAUFEN NGC 1027 UND IC 1805.ASTRON.NACHRICHTEN 264,33 2.09 CUFFEY,J.:1938,RED INDICES IN GALACTIC CLUSTERS,II MESSIER 35,NGC 2158, IC 2157, NGC 2129, 1817, 2266, 2281 HARVARD OBS.ANNALS 106,39 2.10 ALTER,G.:1940,A PHOTOGRAPHIC SURVEY OF GALACTIC CLUSTERS I. MONTHLY NOTICES ROYAL ASTRON.SOC.100,387 2.11 ALTER,G.:1941,A PHOTOGRAPHIC SURVEY OF GALACTIC CLUSTERS III. MONTHLY NOTICES ROYAL ASTRON.SOC.101,298 2.12 TOMBAUGH,C.W.:1941, THREE MORE NEW GALACTIC STAR CLUSTERS. PUBL.ASTRON.SOC.PACIFIC 53,219 2.13 ALTER,G.:1943,A PHOTOGRAPHIC SURVEY OF GALACTIC CLUSTERS IV. MONTHLY NOTICES ROYAL ASTRON.SOC.103,10 2.14 ALTER,G.:1944,A PHOTOGRAPHIC SURVEY OF GALACTIC CLUSTERS V. MONTHLY NOTICES ROYAL ASTRON.SOC.104,179 2.15 KING,I:1949,SOME NEW GALACTIC CLUSTERS. HARVARD OBS.BULL.919,41 2.16 BLANCO,V.M. :1949, A NEW GALACTIC STAR CLUSTER IN SCULPTOR. PUBL.ASTRON.SOC. PACIFIC 61,183 2.17 AMBARTSUMJAN:1949,BIURAKAN SOOB 2,7,9 2.18 BARKHATOVA,K.A :1950,OPEN STELLAR CLUSTERS ASTRONOMICHESKII ZHURNAL 27,181 2.19 MARKARJAN :1951, BIURAKAN SOOB 9,6 2.20 MARKARJAN :1951, BIURAKAN SOOB 9,8 2.21 SVOLOPOULUS,S.N. :1953, A PHOTOGRAPHIC SURVEY OF GALACTIC CLUSTERS NGC 6531,6546,6469,6494,6544,7127,7128. MONTHLY NOTICES ROYAL ASTRON. SOC.113,758 2.22 MANOVA,G.A. :1954, ASTRONOMICHESKII CIRKULAR 153,9 2.23 SHARPLESS,S. :1954,MULTIPLE-STAR SYSTEMS IN EMISSION NEBULAE. ASTROPHYS.J. 119,334 2.24 STOCK,J. :1956,MAGNITUDES AND COLORS FOR STARS IN TWO NEW GALACTIC CLUSTERS.ASTROPHYS.J. 123,258 2.25 STOCK,J. :1956,PRIVATE COMM.TO REF. 1.1 2.26 STOCK,J. :1957,PRIVATE COMM.TO REF. 1.1 2.27 HAFFNER,H. :1957,NEUE GALAKTISCHE STERNHAUFEN IN DER SUEDLICHEN MILCHSTRASSE.Z.ASTROPHYSIK 43,89 2.28 BECKER,W. :1958,DIE RAUMLICHE VERTEILUNG VON 40 OFFENEN STERNHAUFEN.Z.ASTOPHYSIK 45,269 2.29 VAN SCHEWICK,H. :1958,UNTERSUCHUNGEN UEBER DIE EIGEN BEWEGUNGE VON STERNHAUFEN.VII. NGC 2244 UND NGC 2252 2.30 BARKHATOVA,K.A. :1958,CLUSTERS IN THE REGION OF THE NORTH AMERICA NEBULA SOVIET ASTRONOMY AJ 2,410 2.31 DIBAI,E.A. :1958,A STUDY OF OPEN CLUSTER IC 1369. SOVIET ASTRONOMY AJ 2,884 2.32 WALLENQUIST,A. :1959,SOME STRUCTURAL PROPERTIES OF GALACTIC CLUSTERS. UPPSALA ASTRON. OBS. ANN. 4 NO.6 2.33 GRUBISSICH,C. :1959,DREIFARBEN-PHOTOMETRIE DES OFFENEN STERNHAUFENS NGC 2169 Z. ASTROPHYS. 47,24 2.34 PISMIS,P. :1959,NUEVOC CUMULOS ESTELARES EN REGIONES DEL SUR. BOLETIN OBS. TONANTZINTLA TACUBAYA NO. 18,37 2.35 STEPHENSON,C.B. :1959,A POSSIBLE NEW GALACTIC CLUSTER INVOLVING DELTA LYRAE. PUBL. ASTRON. SOC. PACIFIC 71,145 2.36 BECKER,W. :1960,DREIFARBEN-PHOTOMETRIE SUEDLICHER GALAKTISCHE STERNHAUFEN IV. NGC 2324,2360,2362,2910,TR 14,TR 16,IC 2714 Z.ASTROPHYSIK 51,49 2.37 RUPRECHT,J. :1960,PRIVATE COMM.TO REF.1.1 2.38 GRUBISSICH,C. :1960,DIE OFFENEN STERNHAUFEN NGC 6823 UND NGC 6830. Z.ASTROPHYSIK 50,14 2.39 DOLIDZE,M.V. :1961,ON THE STAR CLUSTER NEAR GAMMA CYG. ASTRONOMICHESKII CIRKULAR 223,11 2.40 RUPRECHT,J. :1961,SUPPL.3 TO REF.1.1 BULL.ASTRON.INST. CZECHOSLOVAKIA 12,NO.1,APPENDIX 2.41 KING,I. :1961,A NEW GALACTIC CLUSTER.PUBL.ASTRON.SOC. PACIFIC 73,163 2.42 WESTERLUND,B. :1961,A HEAVILY REDDENED CLUSTER IN ARA. PUBL.ASTRON.SOC.PACIFIC 73,51 2.43 ISKUDARIAN,S.G.,SAAKIAN,K.A. :1961,THE CLUSTER OF WHITE DWARFES IN LYRA.ASTRONOMICHESKII CIRKULAR 221,6 2.44 DOLIDZE,M.V. :1961,SOME DATA OF THE NEBULAE AND STAR CLUSTERS. ASTRONOMICHESKII CIRKULAR 224,18 2.45 PURGATHOFER,A. :1961,DREIFARBEN-PHOTOMETRIE DER OFFENEN STERNHAUFEN NGC 6871,NGC 6883,IC 4996 SOWIEDER HELLSTEN STERNE IN NGC 581 Z.ASTROPHYSIK 52,22 2.46 SETTEDUCATI,A.F.,WEAVER,H.F. :1962,NEWLY FOUND STAR CLUSTERS. BERKELEY. 2.47 SMYTH,M.J.,NANDY,K. :1962,THREE-COLOUR PHOTOMETRY OF SOUTHERN GALACTIC CLUSTERS.PUBL.ROY.OBS.EDINBURGH 3.23 2.48 VAN DEN BERGH,S. :1962,THE OLD GALACTIC CLUSTER NGC 7142 AND STELLAR EVOLUTION.J.ROY.ASTRON.SOC.CANADA 56,41 2.49 ARTYKHINA,N.M.,KHOLOPOV,P.N. :1964,THE OPEN CLUSTER M37 AND THE CORONAS OF STAR CLUSTERS.SOVIET ASTRONOMY AJ 7,840 2.50 WHITEOAK,J.B. :1963,AN ASSOCIATION OF O AND B STARS IN ARA.MONTHLY NOTICES ROY.ASTRON.SOC.125,105 2.51 CHINCARINI,G. :1963,THE OPEN CLUSTER NGC 6939.CONTR.ASIAGO NO. 138 2.52 WEST,F.R. :1964,PHOTOMETRIC INVESTIGATION OF THE GALACTIC CLUSTERS M37 AND NGC 2420.ASTRON.J. 69,562 2.53 LYNGA,G. :1964,STUDIES OF THE MILKY WAY FROM CENTAURUS TO NORMA II.OPEN CLUSTERS. LUND OBS.MEDD.II,140 2.54 GRUBISSICH,C. :1964,DREIFARBEN-PHOTOMETRIE DER GALAKTISCEN STERNHAUFEN TR 33 UND CR 469.Z.ASTROPHYSIK 58,276 2.55 BARKHATOVA,K.A. :1965,URAL SB 2,1 2.56 RUPRECHT,J. :1965,PRIVATE COMM.TO REF.1.1 2.57 HOGG,A.R. :1965,CATALOGUE OF OPEN CLUSTERS SOUTH OF -45 DEGREES DECLINATION.MEM.MOUNT STROMLO OBS.NO. 17 2.58 JOHNSON,H.M. :1965,THE SPECTRA AND RADIAL VELOCITIES OF STARS IN THE ORION NEBULA CLUSTER.ASTROPHYS.J. 142,964 2.59 SVOLOPOULOS,S.N. :1965,THE TWO DISTANT OPEN CLUSTERS KING 8 AND AN.BASEL 4. Z.ASTROPHYSIK 61,97 2.60 RUPRECHT,J. :1966,CLASSIFICATION OF OPEN STAR CLUSTERS. BULL.ASTRON.INST.CZECHOSLOVAKIA 17,33 2.61 RUPRECHT,J. :1966,SUPPL.8 TO REF.1.1.BULL.ASTRON.INST. CZECHOSLOVAKIA 17,NO.1,APPENDIX 2.62 UPGREN,A.R.,RUBIN,V.C. :1965,AN OLD OPEN CLUSTER NEAR THE NORTH GALACTIC POLE.PUBL.ASTRON.SOC.PACIFIC 77,355 2.63 GRUBISSICH,CL. :1965,DREIFARBEN-PHOTOMETRIE VON ZWEI OFFENEN STERNHAUFEN IN RICHTUNG DER SCUTUM-WOLKE.Z.ASTROPHYSIK 60,249 2.64 BECKER,W. :1965,DER GALAKTISCHE STERNHAUFEN NGC 7788.CONTR. ASIAGO NO. 179 2.65 BECKER,W. :1965, DER GALAKTISCHE STERNHAUFEN NGC 7067. CONTR. ASIAGO NO. 180 2.66 FENKART,R.P. :1965,DISTANZ UND PHYSISCHE MITGLEIDER DES OFFENEN HAUFENS NGC 7062.CONTR.ASIAGO NO.181 2.67 GRUBISSICH,CL. :1965,DREIFARBEN-PHOTOMETRIE VON ZWEI OFFENEN STERNHAUFEN NAHE NGC 7510.Z.ASTROPHYSIK 60,256 2.68 DLUZNEVSKAJA, :1965,NAUTCH INF;NO.2 2.69 CZERNIK,M. :1966,NEW OPEN STAR CLUSTERS. ACTA ASTRONOMICA 16,93 2.70 DOLIDZE,M.V.,JIMSHELEISHVILI,G.N. :1966,NEW POSSIBLE STAR CLUSTERS.ASTRONOMICHESKII CIRKULAR 382,7 2.71 RAHIM,M.A. :1966,DREIFARBEN-PHOTOMETRIE VON NGC 5316. ASTRON.NACHRICHTEN 289,41 2.72 YILMAZ,F. :1966,DIE ENTFERNUNG DES RINGFORMIGEN OFFENEN STERNHAUFENS NGC 6683.Z.ASTROPHYSIK 64,61 2.73 SVOLOPOULOS,S.N. :1966,THE DISTANCES OF THE OPEN CLUSTERS NGC 6451,TR 31,NGC 6520 AND ANON.BASEL 5.Z.ASTROPHYSIK 64,67 2.74 KING,I. :1966,FIVE NEW OPEN CLUSTERS. PUBL.ASTRON.SOC. PACIFIC 78,81 2.75 GRUBISSICH,G.L. :1967,FARBEN-HELLIGKEITSDIAGRAMME UND ENTFERNUNG DES OFFENEN STERNHAUFENS NGC 6694=M26. Z.ASTROPHYSIK 65,105 2.76 AUNER,G.,DENGEL,J.,HARTL,H.,WEINBERGER,R. :1980, A GHOST IMAGE OF SIRIUS AS A HIDING PLACE FOR A NEW STAR CLUSTER. PUBL. ASTRON. SOC. PACIFIC 92,422 2.77 FENKART,R.P.,BUSER,R.,RITTER,H.,SCHMITT,H.,STEPPE,H.,WAGNER,R., WIEDEMANN,D. :1972, THE DETERMINATION OF DISTANCE, ABSORPTION, PROBABLE PHYSICAL MEMBERS AND AGE FOR THE OPEN CLUSTERS HAFFNER 8, HAFFNER 6, BASEL 11 AND NGC 2374. ASTRONOMY ASTROPHYSICS SUPPL.7,487 2.78 BOCHUM-STRASBOURG MAGNETIC TAPE CATALOGUE OF OPEN CLUSTERS (1977) 2.79 VAN DEN BERGH,S.,HAGEN,G.L.:1975,UNIFORM SURVEY OF CLUSTERS IN THE SOUTHERN MILKY WAY, ASTRON.J.80,11 2.80 SCHMIDT,K.-H. :1963,MASSEN UND LEBENSDAUER OFFENER STERNHAUFEN. ASTRON. NACHRICHTEN 287,41 2.81 BUSCOMBE,W.:1978,COMPILATION OF OPEN CLUSTER PARAMETERS. PRIVATE COMMUNICATION 2.82 FITZGERALD,M.P.,BOUDREAULT,R.,FICH,M.,LUIKEN,M. :1979,THE OPEN CLUSTERS PISMIS 6 AND 8, AND WAT 6. ASTRON.ASTROPHYS.SUPPL. 37,351 2.83 FENKART, R.P.,BINGGELI,B.,GOOD,D.,JENNI,D.,LABHART,L., TSCHUMI,A. :1977, THE DETERMINATION OF DISTANCE, ABSORPTION, PROBABLE PHYSICAL MEMBERS AND AGE FOR THE OPEN CLUSTERS STOCK 16, BASEL 18, BASEL 19, CR 272 AND NGC 5168. ASTRON. ASTROPHYS. SUPPL. 30,307 2.84 HOGG, H.S. :1959, STAR CLUSTERS. IN S.FLUEGGE, HANDBUCH DER PHYSIK. SPRINGER-VERLAG LIII, 129 2.86 THACKERAY, A.D. :1956, IC 2944 - AN O TYPE ASSOCIATION. MONTHLY NOTES ASTRON. SOC. SOUTHERN AFRICA 15, 20 2.87 HASSAN,S.M. :1975, THE STELLAR GROUPS BA 12, BA 13, BA 14 AND BA 15. ASTRON. ASTROPHYS. SUPPL. 20,255 2.88 SCHUSTER,H.-E. :1982, PRIVATE COMMUNICATION 2.89 DANKS,A.C.,WAMSTEKER,W.,SHAVER,P.A.,RETALLAK,D.S. :1982, A NEAR- INFRARED STUDY OF THE RREGION L=305. IN PRESS 2.90 MUZZIO,J.-C. :1979, PHOTOMETRIC STUDIES OF FAINT EARLY-TYPE STARS IN THE SOUTHERN MILKY WAY. ASTRON.J. 84,639 2.91 TOPAKTAS,L.,FENKART,R.P.:1972, PHOTOGRAPHIC RGU PHOTOMETRY OF FIVE SOUTHERN OPEN CLUSTERS IN VELA II. ASTRON.ASTROPHYS.SUPPL.49,475 3. REFERENCES FOR DISTANCES 3.01 ALTER,G.,BALAZS,B.,RUPRECHT,J. :1970,CATALOGUE OF STAR CLUSTERS AND ASSOCIATIONS, 2ND EDITION, BUDAPEST 3.02 DIXON,R.S. :1976,A MASTER LIST OF NON-STELLAR OBJECTS, PROCEEDINGS OF IAU COLLOQUIUM NO.35,167 3.03 BOCHUM-STRASBOURG MAGNETIC TAPE CATALOGUE OF OPEN CLUSTERS 1977 3.04 BUSCOMBE,W. :1978,COMPILATION OF OPEN CLUSTER PARAMETERS. PRIVATE COMMUNICATION 3.05 BASEL CATALOGUES OF GALACTIC STAR CLUSTERS OBSERVED IN THREE COLOURS: BC IV: BECKER,W.,FENKART,R.:1971,ASTRON.ASTROPHYS.SUPPL.4,241 BC V: FENKART,R.,BINGGELI,B.:1979,ASTRON.ASTROPHYS.SUPPL.35,271 3.06 FENKART,R.P.,BUSER,R.,RITTER,H.,SCHMITT,H.,STEPPE,H.,WAGNER,R., WIEDEMANN,D. :1972,THE DETERMINATION OF DISTANCE, ABSORPTION, PROBABLE PHYSICAL MEMBERS AND AGE FOR THE OPEN CLUSTERS HAFFNER 8, HAFFNER 6, BASEL 11 AND NGC 2374 ASTRON.ASTROPHYS. SUPPL. 7,487 3.07 CHRISTIAN, C.A. :1980, DISTANT GALACTIC OPEN CLUSTERS. IAU SYMPOSIUM NO. 85,223 3.08 FITZGERALD,M.P.,BOUDREAULT,R.,FICH,M.,LUIKEN,M. :1979, THE OPEN CLUSTERS PISMIS 6 AND 8, AND WAT 6.ASTRON.ASTROPHYS.SUPPL.37,351 3.09 FENKART,R.P.,BINGGELI,B.,GOOD,D.,JENNI,D.,LABHARDT,L., TSCHUMI,A. :1977, THE DETERMINATION OF DISTANCE,ABSORPTION, PROBABLE PHYSICAL MEMBERS AND AGE FOR THE OPEN CLUSTERS STOCK 16, BASEL 18, BASEL 19, CR 272 AND NGC 5168. ASTRON. ASTROPHYS. SUPPL. 30,307 3.10 JACKSON,P.D.,FITZGERALD,M.P.,MOFFAT,A.F.J. :1980, PHOTOELECTRIC UBV OBSERVATIONS OF THE OPEN CLUSTER BERKELEY 11. ASTRON. ASTROPHYS. SUPPL. 41,211 3.11 HAWARDEN,T.G. :1976, NGC 2204: AN OLD OPEN CLUSTER IN THE HALO. MONTHLY NOTICES ROYAL ASTRON. SOC. 174,255 3.12 HERBST,W. :1977,EXTINCTION LAW IN DUST CLOUDS AND THE YOUNG SOUTHERN CLUSTER NGC 6250:FURTHER EVIDENCE FOR HIGH VALUES OF R. ASTRON.J. 82,902 3.13 CLARIA,J.J. :1979, PISMIS 13: A SMALL, VERY COMPACT OPEN CLUSTER IN VELA. OBSERVATORY 99,202 3.14 FEINSTEIN,A.,MARACCO,H.G. :1980, THE OPEN CLUSTER NGC 3293 AND THE OB COMPLEX IN CARINA. PUBL.ASTRON.SOC.PACIFIC 92,266 3.15 THE,P.S.,BAKKER,R.,ANTALOVA,A. :1980, STUDIES OF THE CARINA NEBULA: IV. A NEW DETERMINATION OF THE DISTANCES OF THE OPEN CLUSTERS TR 14, TR 15, TR 16 AND CR 228 BASED ON WALRAVEN PHOTOMETRY. ASTRON.ASTROPHYS.SUPPL. 41,93 3.16 FERNANDEZ,J.A.,SALGADO,C.W. :1980, PHOTOMETRIC STUDY OF THE SOUTHERN OPEN CLUSTER NGC 3532. ASTRON.ASTROPHYS.SUPPL. 39,11 3.17 CLARIA,J.J. :1980, PHOTOELECTRIC UBV AND DDO PHOTOMETRY OF NGC 5138. ASTROPHYS.SPACE SCIENCE 72,347 3.18 MCCLURE, R.D.,TWAROG,B.A.,FORRESTER,W.T. :1981, THE OLD OPEN CLUSTER NGC 2506 AND ITS SIMILARITY TO NGC 2420. ASTROPHYS.J. 243,841 3.19 VAN DER HUCHT,K.A.,THE,P.S.,BAKKER,R. :1980, ON THE VISUAL ABSOLUTE MAGNITUDE OF THE WC9 -TYPE STAR TR 27-28. PUBL.ASTRON.SOC.PACIFIC 92,837 3.20 =2.90 3.21 EGGEN,O.J. :1981, THE OPEN CLUSTER NGC 3532. ASTROPHYS.J. 246,817 3.22 CHRISTIAN,C.A. :1981, KING 8: A METAL-POOR DISK CLUSTER. ASTROPHYS.J. 246,817 3.23 EGGEN,O.J. :1981, BLUE STRAGGLERS IN M 67. ASTROPHYS.J. 247,503 3.24 EGGEN,O.J. :1981, THE REGION OF NGC 2287 AND CR 121. ASTROPHYS.J. 247,507 3.25 =13.174 3.26 =13.175 3.27 DAWSON,D.W. :1981, THE OPEN CLUSTER NGC 2204. ASTRON.J. 86,237 3.28 SCHMIDT,E.G. :1981, FOUR-COLOUR AND H-BETA PHOTOMETRY OF THE GALACTIC CLUSTER NGC 7790. ASTRON.J. 86,242 3.29 JANES,K.A. :1981, PHOTOMETRY OF THE OPEN CLUSTERS NGC 3960 AND NGC 5823. ASTRON.J. 86,1210 3.30 HARRIS,W.E.,CANTERNA,R. :1981, PHOTOMETRY IN THE ANCIENT OPEN CLUSTER NGC 6791. ASTRON.J. 86,1332 3.31 STETSON,P.B. :1981, FOUR-COLOUR AND H-BETA PHOTOMETRY FOR FOUR SOUTHERN OPEN CLUSTERS. ASTRON.J. 86,1500 3.32 HAUCK,B. :1981, THE DISTANCE MODULUS OF THE HYADES, COMA BERENICES AND PRAESEPE CLUSTERS. ASTRON.ASTROPHYS. 99,207 3.33 TOPAKTAS,L. :1981, PHOTOGRAPHIC PHOTOMETRY OF THE OPEN CLUSTERS NGC 2910, NGC 2925,RU 79 AND RU 82 IN VELA II AND NGC 6031 IN NORMA II. ASTRON.ASTROPHYS.SUPPL. 45,111 3.34 TURNER,D.G. :1980, HARVARD 20, A CLUSTER CONTAINING A YELLOW SUPERGIANT. ASTROPHYS.J. 92,840 3.35 FEINSTEIN,A. :1981, THE REGION OF THE OPEN CLUSTER BO 10. PUBL.ASTRON.SOC.PACIFIC 93,202 3.36 FORBES,D. :1981, THE YOUNG OPEN CLUSTERS BERKELEY 62 AND BERKELEY 86. PUBL.ASTRON.SOC.PACIFIC 93,714 3.37 LEVATO,H.,MALARODA,S. :1981, SPECTRAL MORPHOLOGY IN THE OPEN CLUSTER COLLINDER 228. PUBL.ASTRON.SOC.PACIFIC 93,714 3.38 DANFORD,S.C.,THOMAS,J. :1981, uvby PHOTOMETRY OF THE OPEN CLUSTER M82. PUBL.ASTRON.SOC.PACIFIC 93,447 3.39 SAGAR,R.,JOSHI,U.C. :1981, STUDY OF THE GALACTIC CLUSTER NGC 6823. ASTROPHYS.SPACE SCIENCE 75,465 3.40 SMITH,G.H. :1982, DDO PHOTOMETRY OF GIANTS IN THE OPEN CLUSTER IC 4651. ASTRON.J. 87,360 3.41 SCHMIDT,E.G. :1982, FOUR-COLOUR AND H-BETA PHOTOMETRY OF THE GALACTIC CLUSTER M 25. ASTRON.J. 87,650 3.42 SCHMIDT,E.G. :1982, INTERMEDIATE-BAND PHOTOMETRY IN THE OPEN CLUSTER NGC 6664. ASTRON.J. 87,1197 3.43 MELNICK,J.,GROSBOEL,P. :1982, ON THE DISTANCE TO THE GIANT HII REGION NGC 3603. ASTRON.ASTROPHYS. 107,23 3.44 GRATTON,R.G. :1982, THE CHEMICAL COMPOSITION OF THE OLD OPEN CLUSTERS MELOTTE 66 AND NGC 2243. ASTROPHYS.J. 257,640 3.45 TOPAKTAS,L.,FENKART,R.P. :1982, PHOTOGRAPHIC RGU PHOTOMETRY OF FIVE OPEN CLUSTERS IN VELA II. ASTRON.ASTROPHYS.SUPPL. 49,475 3.46 VOGT,N.,MOFFAT,A.F.J.: 1975, GALACTIC STRUCTURE BASED ON YOUNG SOUTHERN OPEN CLUSTERS. ASTRON.ASTROPHYS. 39,477 4. REFERENCES FOR AGES 4.01 =1.04 BUSCOMBE,W. :1978, COMPILATION OF OPEN CLUSTER PARAMETERS. PRIVATE COMMUNICATION 4.02 SANDAGE,A. :1963,PHOTOELECTRIC OBSERVATIONS OF THE INTERACTING GALAXIES VV117 AND VV123 RELATED TO THE TIME OF FORMATION OF THEIR SATELLITES. ASTROPHYS.J.138,863 4.03 LINDOFF,U. :1968, THE AGES OF OPEN CLUSTERS. MEDDELANDE LUND OBSERVATORY SER.I NO.227 4.04 MOFFAT,A.F.J. :1971, PHOTOMETRY AND STRUCTURE OF THE YOUNG OPEN CLUSTER NGC 7380. ASTRON.ASTROPHYS. 13,30 4.05 VOGT,N. :1971, UNTERSUCHUNGEN DES DOPPEL-STERNHAUFENS H UND CHI PERSEI AUF GRUND EINER DREIFARBEN-PHOTOMETRIE. ASTRON.ASTROPHYS. 11,359 4.06 MOFFAT,A.F.J. :1972, PHOTOMETRY OF ELEVEN YOUNG OPEN STAR CLUSTERS. ASTRON.ASTROPHYS.SUPPL.7,355 4.07 HARRIS,G.L.H. :1976, EVOLVED STARS IN OPEN CLUSTERS. ASTROPHYS.J.SUPPL. 30,451 4.08 PALOUS,J.,RUPRECHT,J.,DLUZHNEVSKAYA,O.B.,PISKUNOV,T. :1977, PLACES OF FORMATION OF 24 OPEN CLUSTERS. ASTRON.ASTROPHYS. 61,27 4.09 PATENAUDE,M. :1978, AGE DETERMINATION OF OPEN CLUSTERS. ASTRON.ASTROPHYS. 66,225 4.10 TOSI,M. :1979, AGE DETERMINATION OF OPEN CLUSTERS. MEM.SOC.ASTRON.ITALIANA 50,245 4.11 ANTHONY-TWAROG,B.J.,TWAROG,B.A. :1979, THE OLD(EST) OPEN CLUSTER: MELOTTE 66. ASTROPHYS.J. 233,188 4.12 FITZGERALD,M.P.,BOUDREAULT,R.,FICH,M.,LUIKEN,M. :1979, THE OPEN CLUSTERS PISMIS 6 AND 8, AND WAT 6. ASTRON.ASTROPHYS.SUPPL. 37,351 4.13 KILAMBI,G.C. :1975, INTERMEDIATE- AND WIDE-BAND PHOTOMETRY OF NGC 6025. PUBL.ASTRON.SOC.PACIFIC 87,975 4.14 VAN DEN BERGH,S.,MCCLURE,R.D. :1980, GALACTIC DISTRIBUTION OF THE OLDEST OPEN CLUSTERS. ASTRON.ASTROPHYS. 88,360 4.15 TOWNSEND,R.E. :1975, UBV PHOTOMETRY OF COLLINDER 463, PUBL. ASTRON.SOC.PACIFIC 87,753 4.16 JOSHI,U.C.,SAGAR,R.,PANDEY,P. :1975, PHOTOELECTRIC PHOTOMETRY OF THE OPEN CLUSTER NGC 1778. PRAMANA(INDIA)4,160 4.17 HASSAN,S.M. :1976, UBV PHOTOMETRY OF THE GALACTIC CLUSTER MEL.71.ASTRON.ASTROPHYS.SUPPL.26,9 4.18 PERRY,C.L.,FRANKLIN JR.,C.B.,LANDOLT,A.U.,CRAWFORD,D.L. :1976, MULTICOLOR PHOTOMETRY OF THE OPEN CLUSTER NGC 4755. ASTRON.J.81,632 4.19 HAWARDEN,T.G. :1976, NGC 2204: AN OLD OPEN CLUSTER IN THE HALO. MONTHLY NOTICES ROYAL ASTRON.SOC.174,225 4.20 DI PROSPERO,L. :1976, THE AGE OF THE GALACTIC CLUSTER LYNGA 6, MEM.SOC. ASTRON. ITALIANA 47,255 4.21 PHILIP,A.G.D.,DEMARQUE,P.,SWEIGART,A.V.,CIARDULLO,R.B. :1977, A COMPARISON OF OBSERVATIONS WITH MAIN-SEQUENCE EVOLUTIONARY MODELS. PUBL. ASTRON. SOC. PACIFIC 89,554 4.22 FORBES,D.,DUPUY,D.L. :1978,UBV PHOTOMETRY OF THE OPEN CLUSTERS NGC 6604 AND NGC 6704. ASTRON.J. 83,266 4.23 CLARIA,J.J. :1977, NGC 3324. A VERY YOUNG OPEN CLUSTER IN THE CARINA SPIRAL FEATURE. ASTRON. ASTROPHYS.SUPPL.27,145 4.24 FENKART,R.P.,BINGGELI,B.,GOOD,D.,JENNI,D.,LABHARDT,L., TSCHUMI,A. :1977, THE DETERMINATION OF DISTANCE,ABSORPTION, PROBABLE PHYSICAL MEMBERS AND AGE FOR THE OPEN CLUSTERS STOCK 16, BASEL 18, BASEL 19, CR 272 AND NGC 5168. ASTRON. ASTROPHYS.SUPPL. 30,307 4.25 HERBST,W. :1977,EXTINCTION LAW IN DUST CLOUDS AND THE YOUNG SOUTHERN CLUSTER NGC 6250: FURTHER EVIDENCE FOR HIGH VALUES OF R. ASTRON.J. 82,902 4.26 DODD,R.J.,MACGILLIVRAY,H.T.,HILDITCH,R.W. :1977, THE GALACTIC CLUSTER NGC 2527. MONTHLY NOTICES ROYAL ASTRON. SOC. 181,729 4.27 HEISER,A.M. :1977, UVBY-BETA PHOTOMETRY OF NGC 2244. ASTRON.J. 82,973 4.28 HARRIS,G.L.H.,HARRIS,W.E. :1977, THE HYADES-AGE CLUSTER NGC 1817. ASTRON.J. 82,612 4.29 JOSHI,U.C.,SAGAR,R. :1977, PHOTOELECTRIC PHOTOMETRY OF THE OPEN CLUSTER TR-1. ASTROPHYS. SPACE SCIENCE 48,225 4.30 PERRY,C.L.,WALTER,D.K.,CRAWFORD,D.L. :1978, MULTICOLOR PHOTOMETRY OF THE ZETA SCULPTORIS OPEN CLUSTER. PUBL. ASTRON.SOC.PACIFIC 90,81 4.31 KILAMBI,G.C. :1978, UBV ANALYSIS OF THE OPEN CLUSTER NGC 2571. PUBL. ASTRON. SOC. PACIFIC 90,721 4.32 SAGAR,R.,JOSHI,U.C. :1978, STUDY OF THE EXTREMELY YOUNG OPEN CLUSTER NGC 6530. MONTHLY NOTICES ROYAL ASTRON. SOC. 184,467 4.33 PICCIRILLO,J.,STEIN,W.L. :1978, PRELIMINARY PHOTOMETRY OF THE OPEN CLUSTER IC 361. ASTRON.J. 83,971 4.34 LLOYD EVANS,T. :1978, THE OPEN CLUSTER NGC 6383. MONTHLY ROYAL ASTRON. SOC. 184,661 4.35 CLARIA,J.J,ROSENZWEIG,P. :1978, THE NEARBY OPEN CLUSTER COLLINDER 140. ASTRON.J. 83,278 4.36 SAGAR,R.,JOSHI,U.C. :1978, STUDY OF THE GALACTIC CLUSTER NGC 581. BULL.ASTRON. SOC.INDIA 6,12 4.37 VAN RENSBERGEN,W.,HAMMERSCHLAG-HENSBERGE,G.,VAN DEN HEUVEL,E.P.J. :1978, SPECTROSCOPIC STUDIES OF OPEN CLUSTERS - A SEARCH FOR AP STARS. ASTRON. ASTROPHYS. 64,131 4.38 HIRSHFELD,A.,MCCLURE,R.D.,TWAROG,B.A. :1978, MEASUREMENTS OF ABUNDANCES AND AGES OF OLD DISK CLUSTERS. IAU SYMPOSIUM NO.80,163 4.39 CANTERNA,R.,PERRY,C.L.,CRAWFORD,D.L. :1979, MULTICOLOR PHOTOMETRY OF THE GALACTIC CLUSTER NGC 1039(M34). PUBL. ASTRON. SOC. PACIFIC 91,263 4.40 SAGAR,R.,JOSHI,U.C. :1979, A STUDY OF THE YOUNG OPEN CLUSTER NGC 6611. ASTROPHYS. SPACE SCIENCE 66,3 4.41 HARDY,E. :1979, A DDO ASTROPHYSICAL STUDY OF NGC 752. ASTRON.J. 84,319 4.42 JACKSON,P.D.,FITZGERALD,M.P.,MOFFAT,A.F.J. :1980, PHOTOELECTRIC UBV OBSERVATIONS OF THE OPEN CLUSTER BERKELEY 11. ASTRON. ASTROPHYS. SUPPL. 41,211 4.43 CHRISTIAN,C.A. :1980, PRELIMINARY BV PHOTOMETRY OF THE ANTICENTER CLUSTER BE 19. ASTRON.J. 85,700 4.44 FEINSTEIN,A.,FITZGERALD,M.P.,MOFFAT,A.F.J. :1980, THE YOUNG OPEN CLUSTER TR 15 IN THE ETA CARINA COMPLEX. ASTRON.J.85,708 4.45 CHRISTIAN,C.A. :1980, DISTANT GALACTIC OPEN CLUSTERS. IAU SYMPOSIUM NO. 85,223 4.46 MERMILLIOD,J.-C. :1981, COMPARATIVE STUDIES OF YOUNG OPEN CLUSTERS III. EMPIRICAL ISOCHRONOUS CURVES AND THE ZERO AGE MAIN SEQUENCE. ASTRON. ASTROPHYS. 97,235 4.47 FENKART,R.P.,BUSER,R.,RITTER,H.,SCHMITT,H.,STEPPE,H.,WAGNER,R., WIEDEMANN,D. :1972,THE DETERMINATION OF DISTANCE, ABSORPTION, PROBABLE PHYSICAL MEMBERS AND AGE FOR THE OPEN CLUSTERS HAFFNER 8, HAFFNER 6, BASEL 11 AND NGC 2374 ASTRON. ASTROPHYS. SUPPL. 7,487 4.48 =3.14 4.49 =3.17 4.50 =3.18 4.51 =3.20 4.52 =3.21 4.53 =3.22 4.54 =3.24 4.55 HARDY,E. :1981, OBSERVATIONS OF CLUSTERS IN THE WASHINGTON SYSTEM ASTRON.J. 86,217 4.56 =3.26 4.57 =3.27 4.58 =3.29 4.59 =3.30 4.60 =3.34 4.61 =3.35 4.62 =3.36 4.63 =3.39 4.64 =3.42 4.65 HERBST,W.,MILLER,D.P. :1982, THE AGE SPREAD AND INITIAL MASS FUNCTION OF NGC 3293: IMPLICATIONS FOR THE FORMATION OF CLUSTERS. ASTRON.J. 87, 1478 4.66 =3.44 4.67 CLARIA,J.J. :1982, MEMBERSHIP, BASIC PARAMETERS AND LUMINOSITY FUNCTION OF THE SOUTHERN OPEN CLUSTER NGC 2547. ASTROPHYS.J. 257,640 5. REFERENCES FOR METALLICITY VALUES 5.01 JENNENS,P.A.,HELFER,H.L. :1975, PHOTOMETRIC METAL ABUNDANCES FOR TWENTY CLUSTERS. MONTHLY NOTICES ROY. ASTRON. SOC. 172,681 5.02 JANES,K.A. :1979, EVIDENCE FOR AN ABUNDANCE GRADIENT IN THE GALACTIC DISK. ASTROPHYS.J. SUPPL. 39,135 5.03 HIRSHFELD,A.,MCCLURE,R.D.,TWAROG,B.A. :1978, MEASUREMENTS OF ABUNDANCES AND AGES OF OLD DISK CLUSTERS. IAU SYMPOSIUM NO. 80,163 5.04 FEINSTEIN,A.,CABRERA,A.L.,CLARIA,J.J. :1978,MULTICOLOR PHOTOMETRY OF THE OPEN CLUSTER NGC 2287. ASTRON. ASTROPHYS. 34,241 5.05 CLARIA,J.J.,ROSENZWEIG,P. :1978, THE NEARBY OPEN CLUSTER COLLINDER 140. ASTRON.J. 83,278 5.06 BARRY,D.C.,CROMWELL,R.H.,SCHOOLMAN,S.A. :1979, SPECTROSCOPIC COMPARISON OF OPEN CLUSTERS. II. THE REDDENING, BLANKETING, AND METALLICITY OF NGC 2264. ASTROPHYS.J. 41,119 5.07 EGGEN,O.J. :1979, INTERMEDIATE-BAND PHOTOMETRY OF LATE- TYPE STARS. IX. TWO HYADES-LIKE CLUSTERS. ASTROPHYS.J. 234,168 5.08 HARDY,E. :1979, A DDO ASTROPHYSICAL STUDY OF NGC 752. ASTRON.J. 84,319 5.09 CLARIA,J.J. :1979, METAL ABUNDANCE AND HELIUM CONTENT OF THE OPEN CLUSTER NGC 7789: EVIDENCE FOR MASS LOSS. ASTROPHYS. SPACE SCIENCE 66,201 5.10 =3.18 5.11 LYNGA,G.,WRAMDEMARK,S. :1983, ON THE COMMON ORIGIN OF SOME OPEN CLUSTERS. ASTRON.ASTROPHYS., IN PRESS 5.12 =3.22 5.13 =4.55 5.14 =3.27 5.15 =3.29 5.16 =3.30 5.17 FOY,R.,PROUST,D. :1981, CHEMICAL COMPOSITION IN M67 FROM DETAILED ANALYSIS. ASTRON.ASTROPHYS. 99,221 5.18 =3.40 5.19 =3.44 5.20 =4.67 6. REFERENCES FOR INTERSTELLAR EXTINCTION 6.01 =1.01 6.02 =1.02 6.03 =1.03 6.04 =1.04 6.05 =1.05 6.06 =1.06 6.07 =1.07 11. REFERENCES FOR COMMENTS ON DOUBTFULNESS OF CLUSTERS 11.01 ALTER,G.,BALAZS,B.,RUPRECHT,J. :1970, CATALOGUE OF STAR CLUSTERS AND ASSOCIATIONS, 2ND EDITION, BUDAPEST 11.02 LYNGA,G. :1983, EXAMINATION OF POSS CHARTS AND SRC FILMS. PUBLISHED ONLY IN THIS CATALOGUE 12. REFERENCES FOR PECULIAR STAR DATA 12.01 BREGER,M. :1969, SHORT-PERIOD VARIABILITY OF B,A AND F STARS.V.THE COMA CLUSTER AND NGC 752.ASTROPHYS.LETTERS 3,67 12.02 CRAWFORD,D.L.,BARNES,J.V. :1969,FOUR-COLOR AND H-BETA PHOTOMETRY OF OPEN CLUSTERS.II. COMA AND URSA MAJOR. ASTRON.J. 74,407 12.03 ABT,H.A.,JEWSBURY,C.P. :1969,ROTATIONAL VELOCITIES IN THE OPEN CLUSTER NGC 6475 (M7).ASTROPHYS.J.156,983 12.04 ABT,H.A.,MORGAN,W.W. :1969,THE H-R DIAGRAM OF NGC 2516.ASTRON.J.74,813 12.05 CRAWFORD,D.L,BARNES,J.V. :1969,FOUR-COLOR AND H-BETA PHOTOMETRY OF OPEN CLUSTERS.III.PRAESEPE.ASTRON.J.74,818 12.06 PERRY,C.L.,HILL,G. :1969,PHOTOMETRIC STUDIES OF SOUTHERN GALACTIC CLUSTERS.I.IC 2391.ASTRON.J.74,899 12.07 PERRY,C.L.,HILL,G. :1969,PHOTOMETRIC STUDIES OF SOUTHERN GALACTIC CLUSTERS.II.IC 2602.ASTRON.J. 74,1011 12.08 EVANS,T.L. :1969,THE OPEN CLUSTER IC 2581. MONTHLY NOTICES ROYAL ASTRON.SOC. 146,101 12.09 PERRY,C.L.,BOND,H.E. :1969,SPECTROSCOPIC STUDIES OF SOUTHERN GALACTIC CLUSTERS.I. IC 2391.PUBL.ASTRON. SOC.PACIFIC 81,629 12.10 HILTNER,W.A.,MORGAN,W.W. :1969,UBV PHOTOMETRY AND SPECTRAL TYPES IN NGC 6611. ASTRON.J. 74,1152 12.11 COHEN,H.L. :1969,A PHOTOELECTRIC H-BETA DISTANCE MODULUS OF THE OPEN CLUSTER NGC 6871.ASTRON.J.74,1168 12.12 ABT,H.A.,LEVY,S.G.,BAYLOR,L.A.,HAYWARD,R.R.,JEWSBURY, C.P.,SNELL,C.M. :1970,THE FREQUENCY OF SPECTROSCOPIC BINARIES IN NGC 6475.ASTROPHYS.J.159,919 12.13 IRIARTE ERRO,B. :1969,PHOTOMETRY IN UBVRIJHKL OF THE EARLY MAIN SEQUENCE IN THE PLEIADES DOWN TO GO V. BOLETIN OBS.TONANTZINTLA Y TACUBAYA 5,89 12.14 CRAWFORD,D.L.,GLASPEY,J.W.,PERRY,C.L. :1970,FOUR-COLOR AND H-BETA PHOTOMETRY OF OPEN CLUSTERS IV. H AND CHI PERSEI.ASTRON.J. 75,822 12.15 SCHILD,R.E. :1970,RED SUPERGIANTS IN OPEN CLUSTERS. ASTROPHYS.J. 161,855 12.16 CONTI,P.S.,VAN DEN HEUVEL,E.P.J. :1970,ON THE PRESENCE OF METALLIC LINE STARS IN YOUNG CLUSTERS:M7 AND NGC 7160.ASTRON.ASTROPHYS.9,466 12.17 BREGER,M. :1970,METALLIC-LINE A STARS AND PULSATION. ASTROPHYS.J. 162,597 12.18 MORGAN,W.W.,HILTNER,W.A.,GARRISON,R.F. :1971, THE H-R DIAGRAM OF THE ALPHA PERSEI CLUSTER.ASTRON.J. 76,242 12.19 HILL,G.,BARNES,J.V. :1971,A SPECTROSCOPIC AND PHOTOMETRIC INVESTIGATION OF NGC 7243.ASTRON.J. 76,110 12.20 HARTWICK,F.D.A.,HESSER,J.E. :1971,THE INTERMEDIATE-AGE GALACTIC CLUSTER NGC 2660.PUBL.ASTRON.SOC.PACIFIC 83,53 12.21 FEINSTEIN,A.MARRACO,H.G. :1971,THE OPEN CLUSTER NGC 4609 BEHIND THE COALSACK.PUBL.ASTRON.SOC.PACIFIC 83,218 12.22 FEINSTEIN,A. :1971,THE OPEN CLUSTER NGC 6025.PUBL. ASTRON.SOC.PACIFIC 83,800 12.23 ZELWANOVA,E.,SCHOENEICH,W. :1972,PEKULIARE A-STERNE IN OFFENEN STERN HAUFEN.I.PHOTOELEKTRISCHE UBV-PHOTOMETRIE UND MK-KLASSIFIKATION VON STERNEN IM GEBIET VON NGC 7039.ASTRON.NACHR. 293,155 12.24 ZELWANOVA,E. :1972,PEKULIARE A-STERNE IN OFFENEN STERN- HAUFEN.II.RESULTATE DER SUCHE NACH PEKULIAREN A-STERNEN IM GEBIET DES HAUFENS TR2 (CR29).ASTRON,NACHR.293,163 12.25 BREGER,M. :1972,PRE-MAIN-SEQUENCE STARS.I.LIGHT VARIABILITY, SHELLS, AND PULSATION IN NGC 2264.ASTROPHYS. J. 171,539 12.26 EGGEN,O.J. :1972,NGC 2516 AND THE PLEIADES GROUP. ASTROPHYS.J.173,63 12.27 ABT,H.A.,MORGAN,W.W. :1972,THE H-R DIAGRAM OF THE OPEN CLUSTER IC 2602.ASTROPHYS.J. 174,L 131 12.28 PERCY,J.R. :1972, A SEARCH FOR SHORT-PERIOD LIGHT VARIABILITY AMONG STARS IN H AND CHI PERSEI.PUBL. ASTRON.SOC.PACIFIC 84,420 12.29 TIFFT,W.G.,CONNOLLY,L.P.,WEBB,D.F. :1972,NGC 2818,AN OPEN CLUSTER CONTAINING A PLANETARY NEBULA.MONTHLY NOTICES ROY.ASTRON.SOC. 158,47 12.30 VAN ALTENA,W.F.,JONES,B.F. :1972,MEMBERSHIP IN THE EXTREMELY YOUNG OPEN CLUSTER NGC 6530(M8).ASTRON. ASTROPHYS. 20,425 12.31 GARRISON,R.F. :1972,SOME CHARACTERISTICS OF THE MODERATELY OLD OPEN CLUSTER NGC 752.ASTROPHYS.J. 177,653 12.32 MILONE,L.A. 1973:SPECTROSCOPIC OBSERVATIONS OF THE SANDULEAK-SEGGEWISS STAR.ASTROPHYS.J. 180,631 12.33 FEINSTEIN,A,MARRACO,H.G.,MIRABEL,I. 1973:PHOTOMETRIC STUDY OF THE OPEN CLUSTER NGC 2516.ASTRON.ASTROPHYS. SUPPL.9,233 12.34 YOUNG,A.,MARTIN,A.E. 1973:A SEARCH FOR AP STARS IN OPEN CLUSTERS.ASTROPHYS.J. 181,805 12.35 HARTWICK,F.D.A.,HESSER,J.E. 1973:NGC 2660 AND ITS NEARBY CARBON STAR.ASTROPHYS.J. 183,883 12.36 TURNER,D.G. 1973:DIFFERENTIAL REDDENING IN THE OPEN CLUSTER IC 2581.ASTRON.J. 78,597 12.37 FEINSTEIN,A.,MARRACO,H.G.,MUZZIO,J.C.1973:A SINGLE YOUNG OPEN CLUSTER COMPRISING TR 14 AND TR 16.ASTRON. ASTROPHYS.SUPPL. 12,331 12.38 ABT,H.A.,SANDERS,W.L. 1973:A SPECTROSCOPIC STUDY OF THE OPEN CLUSTER M 39.ASTROPHYS.J. 186,177 12.39 MOFFAT,A.F.J.,FITZGERALD,M.P. :1974,NGC 3105 A YOUNG VERY DISTANT CLUSTER IN VELA.ASTRON.ASTROPHYS.SUPPL. 16,25 12.40 CRAWFORD,D.L.,BARNES,J.V.,WARREN JR.,W.H. :1974,FOUR- COLOR AND H-BETA PHOTOMETRY FOR OPEN CLUSTERS.IX. NGC 6871.ASTRON.J. 79,623 12.41 MC CLURE,R.D.,FORRESTER,W.T.,GIBSON,J. :1974,THE OLD OPEN CLUSTER NGC 2420.ASTROPHYS.J. 189,409 12.42 CRAWFORD,D.L.,BARNES,J.V. :1974,FOUR-COLOR AND H-BETA PHOTOMETRY FOR OPEN CLUSTERS.X.THE ALPHA PERSEI CLUSTER ASTRON.J. 79,687 12.43 LEVATO,H.,MALARODA,S. :1974,SPECTROSCOPIC STUDY OF THE OPEN CLUSTER NGC 2232.ASTRON.J. 79,890 12.44 MOFFAT,A.F.J.,FITZGERALD,M.P. :1974,NGC 2453, A MODERATELY YOUNG OPEN CLUSTER IN PUPPIS.ASTRON.ASTROPHYS. 18,19 12.45 HERBST,W. :1974,NGC 6193:AN EMISSION REGION WITH A HIGH RATIO OF TOTAL TO SELECTIVE EXTINCTION? ASTRON.J. 79,941 12.46 KALINOWSKI,J.K.,BURKHEAD,M.S.,HONEYCUTT,R.K. :1974,ON A POSSIBLE CARBON-STAR MEMBER OF THE OLD OPEN CLUSTER TRUMPLER 5.ASTROPHYS.J. 193,L77 12.47 FAWLEY,W.M.,COHEN,M. :1974,THE OPEN CLUSTER NGC 7419 AND ITS M7 SUPERGIANT IRC+60375.ASTROPHYS.J. 193,367 12.48 STROM,S.E.,STROM,K.M.,CARRASCO,L. :1974,A STUDY OF THE YOUNG CLUSTER IC 348.PUBL.ASTRON.SOC.PACIFIC 86,798 12.49 VAN DEN BERGH,S.,HAGEN,G.L. :1975,UNIFORM SURVEY OF CLUSTERS IN THE SOUTHERN MILKY WAY.ASTRON.J. 80,11 12.50 DWORETSKY,M.M. :1975,SPECTROSCOPIC STUDY OF THE OPEN CLUSTER NGC 2422.ASTRON.J. 80,131 12.51 LEVATO,H.,MALARODA,S. :1975,SPECTRAL TYPES IN TRUMPLER 10. PUBL.ASTRON.SOC.PACIFIC 87,173 12.52 MOFFAT,A.F.J.,VOGT,N. :1975,SOUTHERN OPEN CLUSTERS IX. UBV,H-BETA PHOTOMETRY OF 26 CLUSTERS FROM MONOCEROS TO VELA.ASTRON.ASTROPHYS.SUPPL. 20,85 12.53 MOFFAT,A.F.J.,VOGT,N. :1975,SOUTHERN OPEN CLUSTERS V. UBV,H-BETA PHOTOMETRY OF 20 CLUSTERS IN CARINA.ASTRON. ASTROPHYS.SUPPL. 20,125 12.54 MOFFAT,A.F.J.,VOGT,N. :1975,SOUTHERN OPEN CLUSTERS VI. UBV,H-BETA PHOTOMETRY OF 18 CLUSTERS FROM CENTAURUS TO SAGITTARIUS.ASTRON.ASTROPHYS.SUPPL. 20,155 12.55 TALBERT,F.D. :1975,UBV PHOTOMETRY OF NGC 6649.PUBL. ASTRON.SOC.PACIFIC 87,341 12.56 ABT,H.A. :1975,SPECTRAL TYPES IN THE OPEN CLUSTER NGC 6475.PUBL.ASTRON.SOC.PACIFIC 87,417 12.57 CRAMPTON,D. :1975,HD 219460 AND THE OPEN CLUSTER MA 50. PUBL.ASTRON.SOC.PACIFIC 87,523 12.58 LEVATO,H.,MALARODA,S. :1975,NGC 3114:ANOTHER OPEN CLUSTER POSSIBLY RICH IN PECULIAR STARS.ASTRON.J. 80,807 12.59 SNOWDEN,M.S. :1975,FOUR-COLOR AND H-BETA PHOTOMETRY FOR OPEN CLUSTERS.I.NGC 2516.PUBL.ASTRON.SOC.PACIFIC 87,721 12.60 LEVATO,H.,MALARODA,S. :1975,SPECTRAL TYPES IN THE OPEN CLUSTER NGC 2451. PUBL.ASTRON.SOC.PACIFIC 87,823 12.61 ABT,H.A.,LEVATO,H. :1975,SPECTRAL TYPES IN THE OPEN CLUSTER IC 4665.PUBL.ASTRON.SOC.PACIFIC 87,849 12.62 KILAMBI,G.C. :1975,INTERMEDIATE- AND WIDE-BAND PHOTOMETRY OF NGC 6025.PUBL.ASTRON.SOC.PACIFIC 87,975 12.63 SCHILD,R.,ROMANISHIN,W. :1976, A STUDY OF BE STARS IN CLUSTERS.ASTROPHYS.J.204,493 12.64 HARTOOG,M.R. :1976,THE FREQUENCY OF PECULIAR A AND METALLIC-LINE STARS IN OPEN CLUSTERS.ASTROPHYS.J. 205,807 12.65 SNOWDEN,M.S. :1976, FOUR-COLOR AND H-BETA PHOTOMETRY OF OPEN CLUSTERS.PUBL.ASTRON.SOC.PACIFIC 88,174 12.66 FEINSTEIN,A.,MARRACO,H.G.,FORTE,J.C. :1976,COLLINDER 228 AND THE ETA CARINAE COMPLEX.ASTRON.ASTROPHYS. SUPPL. 24,389 12.67 ABT,H.A.,LEVATO,H. :1976,SPECTRAL TYPES IN THE OPEN CLUSTER M 39.PUBL.ASTRON.SOC.PACIFIC 88,222 12.68 GARRISON,R.F.,KORMENDY.J. :1976,SOME CHARACTERISTICS OF THE YOUNG OPEN CLUSTER TRUMPLER 37.PUBL.ASTRON.SOC. PACIFIC 88,865 12.69 SVOLOPOULOS S.N. :1961, SPECTRAL CLASSIFICATION IN SOME OPEN CLUSTERS. ASTROPHYS.J. 134,612 12.70 HARRIS D.L.,MORGAN W.W.,ROMAN N.G. :1954, PHOTOMETRIC AND SPECTROSCOPIC OBSERVATIONS OF STARS IN IC 348. ASTROPHYS J. 119,622 12.71 JOHNSON H.L.,MORGAN W.W. :1953, FUNDAMENTAL STELLAR PHOTOMETRY FOR STANDARS OF SPECTRAL TYPE ON THE REVISED SYSTEM OF THE YERKES SPECTRAL ATLAS. ASTROPHYS.J. 117,313 12.72 HILTNER W.A. :1956, PHOTOMETRIC,POLARIZATION AND SPECTRO- GRAPHIC OBSERVATIONS OF O AND B STARS. ASTROPHYS.J.SUPPL. 2,389 12.73 MORGAN W.W.,CODE A.D.,WHITFORD A.E. :1955, STUDIES IN GALACTIC STRUCTURE. II. LUMINOSITY CLASSIFICATION FOR 1270 BLUE GIANT STARS. ASTROPHYS.J.SUPPL. 2,41 12.74 MORGAN W.W.,HILTNER W.A.,NEFF J.S.,GARRISON R.,OSTERBROCK D.E. :1965, STUDIES IN SPECTRAL CLASSIFICATION. III. THE H-R DIAGRAMS OF NGC 2244 AND NGC 2264. ASTROPHYS.J. 142,974 12.75 SVOLOPOULOS S.N. :1962, SPECTRAL CLASSIFICATION IN NINE OPEN CLUSTERS. ASTROPHYS.J. 136,788 12.76 HOAG A.A.,APPLEQUIST L. :1965, DISTANCE MODULI OF OPEN CLUSTERS. ASTROPHYS.J.SUPPL. 12,215 12.77 LESH J.R. :1968, THE KINEMATICS OF THE GOULD BELT: AN EXPANDING GROUP? ASTROPHYS.J.SUPPL. 17,371 12.78 FEINSTEIN A. :1966, THE OPEN CLUSTER NGC 2451. PUBL.ASTRON. SOC.PACIFIC 78,301 12.79 LODEN L.O. :1966, A STUDY OF NGC 2467 AND THE ASSOCIATION PUP.1. ARKIV ASTRON. 4,65 12.80 PESCH P. :1961, PHOTOMETRIC AND OBJECTIVE PRISM OBSERVATIONS IN THREE GALACTIC CLUSTERS. ASTROPHYS.J. 134,602 12.81 BUSCOMBE W. :1965, STELLAR SPECTRA IN GALACTIC CLUSTER IC 2391. MONTHLY NOTICES ROYAL ASTRON.SOC. 129,411 12.82 PESCH P. :1967, RADIAL VELOCITIES AND SPECTRAL TYPES OF SOME BRIGHT BLUE STARS IN THE OLD OPEN CLUSTER M 67. ASTROPHYS.J. 148,781 12.83 FEAST M.W. :1958, SPECTRAL TYPES AND RADIAL VELOCITIES IN THE GALACTIC CLUSTER NGC 3293. MONTHLY NOTICES ROYAL ASTRON.SOC. 118,618 12.84 WHITEOAK J.B. :1961, A STUDY OF THE GALACTIC CLUSTER IC 2602. MONTHLY NOTICES ROYAL ASTRON.SOC. 123,245 12.85 COX A.N. :1954, A STUDY OF THE GALACTIC CLUSTER NGC 2287. ASTROPHYS.J. 119,188 12.86 REBEIROT E. :1966, LA MESURE DES VITESSES RADIALES AU PRISME OBJECTIF XVIII CLASSIFICATIONS SPECTRALES ET MESURES DE VITESSES RADIALES DE 112 ETOILES SITUEES DANS PRAESEPE. PUBL. L'OBSERV.HAUTE-PROVENCE 8 NO 24 12.87 WALKER M.F. :1961, STUDIES OF EXTREMELY YOUNG CLUSTERS. IV. NGC 6611. ASTROPHYS.J. 133,438 12.88 BERTAUD,CH. :1960, CATALOGUE ET BIBLIOGRAPHIE DES ETOILES A SPECTRE PARTICULIER. J. DES OBSERV. 43,129 12.89 ROMAN N.G. :1951, A STUDY OF THE CONCENTRATION OF EARLY TYPE STARS IN CYGNUS. ASTROPHYS.J. 114,492 12.90 COWLEY A.P.,COWLEY C.R. :1965, SLIT SPECTRA OF SOME PECULIAR AND METALLIC LINE A STARS. PUBL.ASTRON.SOC. PACIFIC 77,184 12.91 WAMPLER J.,PESCH P.,HILTNER W.A.,KRAFT R.P. :1961, CEPHEIDS IN GALACTIC CLUSTERS. VIII. A REINVESTIGATION OF U SGR IN M25 (=IC 4725). ASTROPHYS.J. 133,895 12.92 BIDELMAN W.P. :1956, SPECTRAL CLASSIFICATION OF THE BRIGHTER STARS OF THE PRAESEPE CLUSTER. PUBL.ASTRON.SOC. PACIFIC 68,318 12.93 CONTI,P.S.,ALSCHULER,W.R. :1971, SPECTROSCOPIC STUDIES OF O-TYPE STARS. I. CLASSIFICATION AND ABSOLUTE MAGNITUDES. ASTROPHYS.J. 170,325-344 = CONTR.LICK OBS., NO. 340 12.94 ISHIDA,K. :1970, SPECTROGRAPHIC OBSERVATIONS OF IC 1805. PUBL.ASTRON.SOC.JAPAN 22,277-284 12.95 IANNA,P.A. :1970, SPECTROSCOPY OF STARS IN THE GALACTIC CLUSTER NGC 1039 (M34). PUBL.ASTRON.SOC.PACIFIC 82,825-829 12.97 BUSCOMBE,W. :1969, LINE STRENGTHS FOR SOUTHERN OB STARS. II. OBSERVATIONS WITH MODERATE DISPERSION. MONTHLY NOTICES ROYAL ASTRON.SOC. 144,31-39 12.98 FRYE,R.L.,MACCONNELL,D.J.,HUMPHREYS,R.M. :1970, NEW AP STARS IN NGC 3114. PUBL.ASTRON.SOC.PACIFIC 82,1360-1363 12.99 GRAHAM,J.A. :1970, THE SPACE DISTRIBUTION OF THE OB STARS IN CARINA. ASTRON.J. 75,703-717 12.100 SCHILD,R.E.,HILTNER,W.A.,SANDULEAK,N. :1969, A SPECTROSCOPIC STUDY OF THE ASSOCIATION SCORPIUS OB 1. ASTROPHYS.J. 156, 609-615 = CONTR.CERRO TOLOLO INTER-AMERICAN OBS., NO. 56 12.101 WALBORN,N.R. :1972, SPECTRAL CLASSIFICATION OF OB STARS IN BOTH HEMISPHERES AND THE ABSOLUTE-MAGNITUDE CALIBRATION. ASTRON.J. 77,312-318 12.102 MOFFAT,A.F.J.,FITZGERALD,M.P.,JACKSON,P.D. :1977, TRUMPLER 27: A HEAVILY-REDDENED YOUNG CLUSTER WITH BLUE AND RED SUPERGIANTS. J.ROYAL ASTRON.SOC.CANADA 71,409-410 12.103 WALBORN,N.R. :1971, SOME SPECTROSCOPIC CHARACTERISTICS OF THE OB STARS: AN INVESTIGATION OF THE SPACE DISTRIBUTION OF CERTAIN OB STARS AND THE REFERENCE FRAME OF THE CLASSIFICATION. ASTROPHYS.J.SUPPL. 23,257-282 12.104 DACHS,J. :1970, PHOTOELECTRIC UBV PHOTOMETRY OF THE OPEN CLUSTER NGC 2516. ASTRON.ASTROPHYS. 5,312-317 12.105 VAN DEN BERGH,S.,HAGEN,G.L. :1975, UNIFORM SURVEY OF CLUSTERS IN THE SOUTHERN MILKY WAY. ASTRON.J. 80,11-16 12.106 MOFFAT,A.F.J.,VOGT,N. :1975, SOUTHERN OPEN STAR CLUSTERS.V. UBV-H-BETA PHOTOMETRY OF 20 CLUSTERS IN CARINA. ASTRON.ASTROPHYS. SUPPL. 20,125-153 12.107 VAN DEN BERGH,S.,HERBST,E.,HARRIS,G.L.,HERBST,W. :1976, THE CEPHEID SV CRUCIS AND THE CLUSTER RUPRECHT 97. ASTROPHYS.J. 208,770-775 12.108 COHEN,H.L. :1969, A PHOTOELECTRIC H-BETA DISTANCE MODULUS OF THE OPEN CLUSTER NGC 6871. ASTRON.J. 74,1168-1170 = CONTR.ROSEMARY HILL OBS., UNIV. FLORIDA, GAINESVILLE, NO. 5 12.109 ABT,H.A.,LEVATO,H. :1977, SPECTRAL TYPES IN THE OPEN CLUSTER M34. PUBL.ASTRON.SOC.PACIFIC 89,648-649 12.110 ABT,H.A. :1977, SPECTRAL TYPES IN THE OPEN CLUSTER NGC 2169. PUBL.ASTRON.SOC.PACIFIC 89,646-647 12.111 HEISER,A.M. :1977, UVBY-BETA PHOTOMETRY OF NGC 2244. ASTRON.J. 82,973-977 12.112 FITZGERALD,M.P.,JACKSON.P.D.,MOFFAT,A.F.J. :1977, NGC 3105: FURTHER PHOTOELECTRIC UBV OBSERVATIONS. ASTRON.ASTROPHYS. 59,141-144 = CONTR.UNIV.WATERLOO OBS., WATERLOO, ONTARIO, CANADA, NO. 55 12.113 LEVATO,H. :1975, ROTATIONAL VELOCITIES IN IC 2602. ASTROPHYS.J. 195,825 12.114 PERRY,C.L.,FRANKLIN,C.B.,JR.,LANDOLT,A.U.,CRAWFORD,D.L. :1976, MULTICOLOR PHOTOMETRY OF THE OPEN CLUSTER NGC 4755. ASTRON.J. 81,632-637 = CONTR.LOUISIANA STATE UNIV.OBS., BATON ROUGE, NO. 116 12.115 VAN DEN BERGH,S.,HARRIS,G.L.H. :1976, THE 10.8 DAY CEPHEID TW NORMAE AND THE CLUSTER LYNGA NUMBER 6. ASTROPHYS.J. 208, 765-769 12.116 LYNGA,G. :1977, REMARKS ON THE CLUSTER LYNGA 6. ASTRON.ASTROPH 54,311-314 12.117 THE,P.S. :1977, ON THE REALITY OF THE OPEN CLUSTER LY 6 AND THE MEMBERSHIP OF THE CEPHEID TW NOR. ASTRON.ASTROPHYS. 60, 423-424 12.118 CRAWFORD,D.L.,BARNES,J.V.,HILL,G.,PERRY,C.L. :1971, FOUR- -COLOR AND H-BETA PHOTOMETRY FOR OPEN CLUSTERS. VII. NGC 6231 AND THE I SCO ASSOCIATION. ASTRON.J. 76,1048-1057 = CONTR. LOUISIANA STATE UNIV.OBS., BATON ROUGE, NO. 60 12.119 LEVATO,H.,ABT,H.A. :1977, SPECTRAL TYPES IN THE OPEN CLUSTER NGC 6633. PUBL.ASTRON.SOC.PACIFIC 89,274-276 12.120 CRAWFORD,D.L.,BARNES,J.V.,HILL,G. :1977, FOUR-COLOR AND H-BETA PHOTOMETRY OF OPEN CLUSTERS. XII. NGC 6910 AND NGC 6913. ASTRON.J. 82,606-611 = DOMINION ASTROPHYS.OBS., VICTORIA, B.C., CANADA, CONTR., NO. 334 12.121 KILKENNY,D.,HILDITCH,C.E.J.,HILDITCH,R.W.,HILL,P.W., LYNAS-GRAY,A.E. :1975, H-BETA PHOTOMETRY IN M39. MONTHLY NOTICES ROYAL ASTRON.SOC. 172,5P-8P 12.122 SCHMIDT,E.G. :1977, FOUR-COLOR AND H-BETA PHOTOMETRY OF STARS IN NGC 7654 AND M25. PUBL.ASTRON.SOC.PACIFIC 89,546-549 12.123 FROLOV,V.N. :1977, PHOTOMETRY AND PROPER MOTIONS OF STARS IN FOUR GALACTIC CLUSTERS IN CASSIOPEIA. IZV.GLAV.ASTRON.OBS. PULKOVO, NO. 195, ASTROFIZ.ASTROMETR., P. 80-97. IN RUSSIAN. 12.124 MOLNAR,M.R.,STEPHENS,T.C.,MALLAMA,A.D. :1978, OA02 OBSERVATIONS OF THE ALPHA PERSEI CLUSTER. ASTROPHYS.J. 223,185-191 12.125 SLOVAK,M.H. :1978, A PHOTOMETRIC SURVEY OF THE ALPHA PERSEI CLUSTER FOR DELTA SCUTI VARIABLES. ASTROPHYS.J. 223,192-201 12.126 VAN RENSBERGEN,W.,HAMMERSCHLAG-HENSBERGE,G.,VAN DEN HEUVEL, E.P.J. :1978, SPECTROSCOPIC STUDIES OF OPEN CLUSTERS - A SEARCH FOR AP STARS. ASTRON.ASTROPHYS. 64,131-137 12.127 CLARIA ,J.J. 1977/78: TWO SPARSE OPEN CLUSTERS IN THE REGION OF COLLINDER 132. PUBL.ASTRON.SOC.PACIFIC 89,803-810 12.128 FITZGERALD,M.P.,JACKSON,P.D.,LUIKEN,M.,GRAYZECK,E.J.,MOFFAT, A.F.J. :1978, NGC 6383. I. THE CENTRAL CORE. MONTHLY NOTICES ROYAL ASTRON.SOC. 182,607-616 12.129 MOFFAT,A.F.J.,FITZGERALD,M.P.,JACKSON,P.D. :1977, TRUMPLER 27: A HEAVILY REDDENED YOUNG OPEN CLUSTER WITH BLUE AND RED SUPERGIANTS. ASTROPHYS.J. 215,106-118 = CONTR.UNIV.WATERLOO OBS., NO. 53 12.130 KILAMBI,G.C. :1977, BROAD-BAND PHOTOMETRY OF NGC 6530. MONTHLY NOTICES ROYAL ASTRON.SOC. 178,423 12.131 FITZGERALD,M.P.,MOFFAT,A.F.J. :1976, FURTHER DATA FOR STARS IN AND NEAR HAFFNER 19, 18AB AND RUPRECHT 44. ASTRON.ASTROPHYS. 50,149 12.132 HERBST,W. :1976, ON THE EXTINCTION LAW IN THE CARINA NEBULA. ASTROPHYS.J. 208,923 12.133 TAMMAN,G.A. :1969, THE LIGHT ELEMENTS OF AN ANONYMOUS CEPHEID AND ON ITS PROBABLE MEMBERSHIP IN THE GALACTIC CLUSTER NGC 6649. ASTRON.ASTROPHYS. 3,308 12.134 FEINSTEIN,A,, CABRERA,A.L., CLARIA,J.J. :1978, MULTICOLOR PHOTOMETRY OF THE OPEN CLUSTER NGC 2287. ASTRON.ASTROPHYS. SUPPL. 34,241 12.135 TURNER,D.G. :1978, THE VALUE OF R IN IC 2581. ASTRON.J.83,1081 12.136 LLOYD EVANS,T. :1978, THE OPEN CLUSTER NGC 6383. MONTHLY NOTICES ROY.ASTRON.SOC. 184,661 12.137 VANDENBERGH,S. :1978, UBV OBSERVATIONS OF THE OPEN CLUSTER M 25. ASTRON.J. 83,1174 12.138 FLOWER,P.J. :1978, THE ANOMALOUS CLUSTER NGC 6649 AND/OR CEPHEID V 367 SCUTI. ASTROPHYS.J. 224,948 12.139 TURNER,D.G. :1979, A STUDY OF THE EXTINCTION IN THE YOUNG OPEN CLUSTER NGC 6823. J.ROY.ASTRON.SOC.CANADA 73,74 12.140 LUNDSTROEM,I.,STENHOLM,B. :1982, WOLF-RAYET STARS IN OPEN CLUSTERS. IAU SYMPOSIUM NO. 99,539 12.141 ABT,H.A. :1979, SPECTRAL TYPES IN THE ALPHA PERSEI CLUSTER PUBL.ASTRON.SOC.PACIFIC 90,692 12.142 CANTERNA,R.,PERRY,C.L.,CRAWFORD,D.L. :1979, MULTICOLOR PHOTOMETRY OF THE GALACTIC CLUSTER NGC 1039 (M34) PUBL. ASTRON.SOC.PACIFIC 93,263 12.143 GARRISON,R.F.,SCHILD,R.E. :1979, THE MAIN SEQUENCE OF NGC 6231. ASTRON.J. 84,1020 12.144 PFLEIDERER,J. :1979, CLUSTER PROPERTIES DERIVED FROM DISTRI- BUTION FUNCTIONS OF STAR COUNTS. MITT.ASTRON.GES. 45,55 12.145 SAGAR,R.,JOSHI,U.C. :1979, A STUDY OF THE YOUNG OPEN CLUSTER NGC 6611. ASTROPHYS.SPACE SCI. 66,3 12.146 LEVATO,H., MALARODA,S. :1979, SPECTRAL MORPHOLOGY IN THE OPEN CLUSTER NGC 2287. PUBL.ASTRON.SOC.PACIFIC 91,636 12.147 KNOECHEL,G. :1980, BALMER-LINE PHOTOMETRY OF NGC 4755. ASTRON. ASTROPHYS. 82,253 12.148 SCHMIDT,E.G. :1980, FOUR-COLOR AND H-BETA PHOTOMETRY OF STARS IN THE GALACTIC CLUSTER NGC 6087. ASTRON.J. 85,158 12.149 LEVATO,H.,MALARODA,S.,MORRELL,N. :1979, SPECTRAL TYPES IN THE ZETA SCULPTORIS OPEN CLUSTER. REVISTA MEXICANA ASTRON. ASTROPHYS. 4,321 12.150 ABT,H.A.,PERRY,C.L.,OLSEN,E.H.,GRAUER,A.D. :1980, A SMALL CLUSTER NEAR IC 1805. PUBL.ASTRON.SOC.PACIFIC 92,60 12.151 FEINSTEIN,A., FITZGERALD,M.P., MOFFAT,A.F.J. :1980, THE YOUNG OPEN CLUSTER TRUMPLER 15 IN THE ETA CARINAE COMPLEX. ASTRON. J. 85,708 12.152 LLOYD EVANS,T. :1980, BE STARS IN TWO OPEN CLUSTERS. MONTHLY NOTICES ROY.ASTRON.SOC. 192,47 12.153 EGGEN,O.J. :1980, THE VELA STAR CLOUD. I. NGC 2547, TR 10, THE GAMMA VELORUM SYSTEM AND BRIGHT STARS. ASTROPHYS.J. 238,627 12.154 TURNER,D.G. :1980, ASSOCIATION MEMBERSHIP FOR THE 20 DAY CEPHEID RU SCUTI. ASTROPHYS.J. 240,137 12.155 LEVATO,H.,MALARODA,S. :1980, SPECTRAL TYPES IN THE OPEN CLUSTER NGC 6231. PUBL.ASTRON.SOC.PACIFIC 92,323 12.156 SHOBBROOK,R.R. :1980, UVBY-BETA PHOTOMETRY OF THE YOUNG SOUTHERN CLUSTER NGC 3293 AND COMPARISON WITH OTHER YOUNG CLUSTERS. MONTHLY NOTICES ROY.ASTRON.SOC.192,821 12.157 BARRELL,S.L. :1980, THE BEAT CEPHEID V367 SCUTI AND NGC 6649. ASTROPHYS.J. 240,145 12.158 ABT,H.A. :1980, ARE BINARIES CONCENTRATED TOWARD THE CENTERS OF OPEN CLUSTERS? ASTROPHYS.J. 241,275 12.159 LUNDSTROEM,I.,STENHOLM,B. :1980, FIVE OPEN CLUSTERS WITH SUSPECTED WOLF-RAYET TYPE MEMBERS. REPORT OBS.LUND NO.16,1 12.160 FORBES,D. :1980, UBV PHOTOMETRY OF THE HIGHLY REDDENED OPEN CLUSTER BERKELEY 87. J.ROY.ASTRON.SOC.CANADA 74,360 13. REFERENCES FOR PHOTOMETRY (CF. 1.07) 13.001 ABT,H.A.,PERRY,C.L.,OLSEN,E.H.,GRAUER,A.D. :1980, A SMALL CLUSTER NEAR IC 1805. PUBL.ASTRON.SOC.PACIFIC 92,60 13.002 ANTHONY-TWAROG,B.J.,TWAROG,B.A.,MCCLURE,R.D. :1979, THE OLD(EST) OPEN CLUSTER: MELOTTE 66. ASTROPHYS.J. 233,188 13.003 AUNER,G. :1974, PHOTOGRAPHIC PHOTOMETRY OF THE GALACTIC CLUSTER NGC 6819. ASTRON.ASTROPHYS.SUPPL. 13,143 13.004 BALAZS,B. :1961, DREIFARBEN-PHOTOMETRIE VON NGC 189 UND STOCK 24 ASTRONOMISCHE ABHANDLUNGEN DER HAMBURGER STERNWARTE 5,317 13.005 BARBON,R.,HASSAN,S.M. 1973: A STUDY OF THE OPEN CLUSTER NGC 1778. ASTRON.ASTROPHYS.SUPPL. 10,1 13.006 BARKHATOVA,K.A.,ZAKHAROVA,P.E.,SHASHKINA,L.P. :1978, THE OPEN STAR CLUSTER NGC 6811. SOV.ASTRON. 22,31 13.007 BECKER,W. :1959, DREIFARBEN-PHOTOMETRIE SUEDLICHER OFFENER STERNHAUFEN I. NGC 2439,2447,4103. Z.ASTROPHYSIK 48,279 13.008 BECKER,W. :1960, DREIFARBEN-PHOTOMETRIE SUEDLICHER GALAKTISCHER STERNHAUFEN II. NGC 2169,2215,2323,2516,3330. Z.ASTROPHYSIK 49,168 13.009 BECKER,W. :1960, DREIFARBEN-PHOTOMETRIE SUEDLICHER GALAKTISCHER STERNHAFEN IV. NGC 2324,2360,2362,2910,TR 14,TR 16,IC 2714. Z.ASTROPHYSIK 51,49 13.010 BECKER,W.,STOCK,J. :1958, FARBEN-HELLIGKEITS-DIAGRAMME UND ENTFERNUNG VON 10 OFFENEN STERNHAUFEN (NGC 436,1039,1513, 1528,1912,2129,6694,6705, TR 4,TR 34). Z.ASTROPHYSIK 45,282 13.011 BOZKURT,S. :1974, UBV PHOTOMETRY OF SOUTHERN OPEN CLUSTER NGC 5822. REV.MEX.ASTRON.ASTROFIZ. 1,89 13.012 BRUCK,M.T.,SMYTH,M.J. :1966, THREE-COLOUR PHOTOMETRY OF SOUTHERN GALACTIC CLUSTERS III: NGC 6167. PUBL.ROY.SOC.EDINBURGH 5,10 13.013 BURKHEAD,M.S. :1969, PHOTOMETRIC OBSERVATIONS OF THE STAR CLUSTER IC 166. ASTRON.J. 74,1171 13.014 BURKHEAD,M.S. :1971, PHOTOMETRIC OBSERVATIONS OF THE STAR CLUSTER NGC 6819. ASTRON.J. 76,251 13.015 BURKHEAD,M.S.,BURGESS,R.D.,HAISCH,B.M. :1972, PHOTOMETRIC OBSERVATIONS OF THE STAR CLUSTER NGC 2141. ASTRON.J. 77,661 13.016 CANNON,R.D.,LLOYD,C. :1969, THE MAIN SEQUENCE GAP AND RED GIANT CLUMP OF NGC 6939. MONTHLY NOTICES ROY.ASTRON.SOC. 144,449 13.017 CANNON,R.D.,LLOYD,C. :1970, THE OLD OPEN CLUSTER NGC 2420 MONTHLY NOTICES ROY.ASTRON.SOC. 150,279 13.018 CANTERNA,R.,PERRY,C.L.,CRAWFORD,D.L. :1979, MULTICOLOR PHOTOMETRY OF THE GALACTIC CLUSTER NGC 1039 (M34). PUBL.ASTRON.SOC.PACIFIC 91,263 13.019 CESTER,B.,GIURICIN,G.,MARDIROSSIAN,F.,PUCILLO,M. :1977, PHOTOELECTRIC PHOTOMETRY OF THE OPEN CLUSTER M34. ASTRON.ASTROPHYS.SUPPL. 30,227 13.020 CHRISTIAN,C.A. 19880: PRELIMINARY BV PHOTOMETRY OF THE ANTICENTER CLUSTER BE 19. ASTRON.J. 85,700 13.021 CHRISTIAN,C.A.,JANES,K.A. :1979, UBV PHOTOMETRY OF THE ANTICENTER CLUSTER BERKELEY 21. ASTRON.J. 84,204 13.022 CLARIA,J.J. :1972, PHOTOMETRIC STUDY OF THE GALACTIC CLUSTER NGC 5460. ASTRON.J. 76,639 13.023 CLARIA,J.J. :1972, PHOTOMETRIC STUDY OF THE OPEN CLUSTER NGC 2232. ASTRON.ASTROPHYS. 19,303 13.024 CLARIA,J.J. :1972, UBV AND H BETA PHOTOMETRY OF THE GALACTIC CLUSTER NGC 2343. ASTRON.J. 77,868 13.025 CLARIA,J.J. 1973: PHOTOMETRIC STUDY OF THE GALACTIC CLUSTER NGC 2335. ASTRON.ASTROPHYS.SUPPL. 9,251 13.026 CLARIA,J.J. :1976, RELATION OF NGC 3590,HOGG 10 AND COLLINDER 240 TO THE STRUCTURE OF THE CARINA SPIRAL FEATURE. ASTRON.J. 81,155 13.027 CLARIA,J.J. :1976, UBV AND H-BETA PHOTOMETRY OF THE GALACTIC CLUSTER NGC 2343. ASTRON.J.77,868 13.028 CLARIA,J.J. :1977, NGC 3324. A VERY YOUNG OPEN CLUSTER IN THE CARINA SPIRAL FEATURE. ASTRON.ASTROPHYS.SUPPL. 27,145 13.029 CLARIA,J.J. :1977, TWO SPARSE OPEN CLUSTERS IN THE REGION OF COLLINDER 132. PUBL.ASTRON.SOC.PACIFIC 89,803 13.030 CLARIA,J.J. :1979, PISMIS 13: A SMALL, VERY COMPACT OPEN CLUSTER IN VELA. OBSERVATORY 99,202 13.031 CLARIA,J.J.,ROSENZWEIG,P. :1978, THE NEARBY OPEN CLUSTER COLLINDER 140. ASTRON.J. 83,278 13.032 CUFFEY,J. 1973: NGC 1893,UBV PHOTOMETRY. ASTRON.J. 78,747 13.033 DACHS,J. :1970, PHOTOELECTRIC UBV PHOTOMETRY OF THE OPEN CLUSTER NGC 2516. ASTRON.ASTROPHYS. 5,312 13.034 DEL RIO,G. :1980, RGU PHOTOGRAPHIC PHOTOMETRY OF THE OPEN CLUSTER NGC 2194. ASTRON.ASTROPHYS.SUPPL. 42,189 13.035 DODD,R.J.,ELLERY,L.A. :1980, THE YOUNG OPEN CLUSTER RUPRECHT 55. MONTHLY NOTICES ROY.ASTRON.SOC. 193,895 13.036 DODD,R.J.,MACGILLIVRAY,H.T.,HILDITCH,R.W. :1977, THE GALACTIC CLUSTER NGC 2527. MONTHLY NOTICES ROY.ASTRON.SOC. 181,729 13.037 DOW,M.J.,HAWARDEN,T.G. :1970, THE OPEN CLUSTER TRUMPLER 5. MON.NOT.ASTRON.SOC.SO.AFRICA 29,137 13.038 DUPUY,D.L.,ZUKAUSKAS,W. :1976, THE GALACTIC CLUSTER BYURAKAN 2. J.ROY.ASTRON.SOC.CAN. 70,169 13.039 EGGEN,O.J. :1970, A VERY YOUNG CLUSTER WITH A MODERATE METAL DEFICIENCY. ASTROPHYS.J. 161,159 13.040 EGGEN,O.J. :1971, THE INTERMEDIATE-AGE CLUSTER IC 4651. ASTROPHYS.J. 166,87 13.041 EGGEN,O.J. :1972, NGC 2516 AND THE PLEIADES GROUP. ASTROPHYS.J. 173,63 13.042 EGGEN,O.J.,SANDAGE,A. :1969, NEW PHOTOMETRIC DATA FOR THE OLD GALACTIC CLUSTER NGC 188: THE PRESENCE OF A GAP, CHEMICAL COMPOSITION,AND DISTANCE MOMULUS. ASTROPHYS.J. 158,669 13.043 EVANS,T.L. :1969, THE OPEN CLUSTER IC 2581. MONTHLY NOTICES ROY.ASTRON.SOC. 146,101 13.044 EVANS,T.L. :1978, THE OPEN CLUSTER NGC 6383. MONTHLY NOTICES ROY.ASTRON.SOC. 184,661 13.045 FANG,C. :1970, THE DISTANCES OF THE GALACTIC CLUSTERS NGC 1664 AND NGC 1605. ASTRON.ASTROPHYS. 4,75 13.046 FEINSTEIN,A. :1971, THE OPEN CLUSTER NGC 6025. PUBL.ASTRON.SOC.PACIFIC 83,800 13.047 FEINSTEIN,A. :1981, THE REGION OF THE OPEN CLUSTER BO 10. PUBL.ASTRON.SOC.PACIFIC 93,202 13.048 FEINSTEIN,A.,CABRERA,A.L.,CLARIA,J.J. :1978, MULTICOLOR PHOTOMETRY OF THE OPEN CLUSTER NGC 2287. ASTRON.ASTROPHYS.SUPPL. 34,241 13.049 FEINSTEIN,A.,FITZGERALD,M.P.,MOFFAT,A.F.J. :1980, THE YOUNG OPEN CLUSTER TRUMPLER 15 IN THE ETA CARINAE COMPLEX. ASTRON.J. 85,708 13.050 FEINSTEIN,A.,FORTE,J.C. :1974, THE OPEN CLUSTER NGC 6281. PUBL.ASTRON.SOC.PACIFIC 86,284 13.051 FEINSTEIN,A.,MARRACO,H.G. :1971, THE OPEN CLUSTER NGC 4609 BEHIND THE COALSACK. PUBL.ASTRON.SOC.PACIFIC 83,218 13.052 FEINSTEIN,A.,MARRACO,H.G. :1980, THE OPEN CLUSTER NGC 3293 AND THE OB COMPLEX IN CARINA. PUBL.ASTRON.SOC.PACIFIC 92,266 13.053 FEINSTEIN,A.,MARRACO,H.G.,FORTE,J.C. :1976, COLLINDER 228 AND THE ETA CARINAE COMPLEX. ASTRON.ASTROPHYS.SUPPL. 24,389 13.054 FEINSTEIN,A.,MARRACO,H.G.,MIRABEL,I. 1973: PHOTOMETRIC STUDY OF THE OPEN CLUSTER NGC 2516. ASTRON.ASTROPHYS.SUPPL. 9,233 13.055 FEINSTEIN,A.,MARRACO,H.G.,MUZZIO,J.C. 1973: A SINGEL YOUNG OPEN CLUSTER COMPRISING TR 14 AND TR 16. ASTRON.ASTROPHYS.SUPPL. 12,331 13.056 FENKART,R.P. :1965, BESTIMMUNG VON ENTFERNUNG UND PHYSISCHER MITGLIEDSCHAFT BEIM OFFENEN STERNHAUFEN AN.BASEL 1. Z.ASTROPHYSIK 62,90 13.057 FENKART,R.P. :1968, DISTANCE, AGE AND PHYSICAL MEMBERS OF THE GALACTIC CLUSTER NGC 7261. MEM.SOC.ASTRON.ITAL. 39,85 13.058 FENKART,R.P.,BINGGELI,B.,GOOD,D.,JENNI,D.,LABHARDT,L., SCHUMI,A. :1977, THE DETERMINATION OF DISTANCE,ABSORPTION, PROBABLE PHYSICAL MEMBERS AND AGE FOR THE OPEN CLUSTERS STOCK 16, BASEL 18,BASEL 19,CR 272 AND NGC 5168. ASTRON.ASTROPHYS.SUPPL. 30,307 13.059 FENKART,R.P.,BUSER,R.,RITTER,H.,SCHMITT,H.,STEPPE,H.,WAGNER,R., WIEDEMANN,D. :1972, THE DETERMINATION OF DISTANCE,ABSORPTION, PROBABLE PHYSICAL MEMBERS AND AGE FOR THE OPEN CLUSTERS HAFFNER 8,HAFFNER 6,BASEL 11 AND NGC 2374. ASTRON.ASTROPHYS.SUPPL. 7,487 13.060 FERNANDEZ,J.A.,SALGADO,C.W. :1980, PHOTOMETRIC STUDY OF THE SOUTHERN OPEN CLUSTER NGC 3532. ASTRON.ASTROPHYS.SUPPL. 39,11 13.061 FITZGERALD,M.P.,BOUDREAULT,R.,FICH,M.,LUIKEN,M.,WITT,A.N. :1979, THE OPEN CLUSTERS PISMIS 6 AND 8,AND WAT 6. ASTRON.ASTROPHYS.SUPPL. 37,351 13.062 FITZGERALD,M.P.,JACKSON,P.D.,LUIKEN,M.,GRAYZECK,E.J.,MOFFAT,A.F.J. :1978, NGC 6383-I. THE CENTRAL CORE. MONTHLY NOTICES ROY.ASTRON.SOC. 182,607 13.063 FITZGERALD,M.P.,JACKSON,P.D.,MOFFAT,A.F.J. :1977, NGC 3105: FURTHER PHOTOELECTRIC UBV OBSERVATIONS. ASTRON.ASTROPHYS. 59,141 13.064 FITZGERALD,M.P.,JACKSON,P.D.,MOFFAT,A.F.J. :1977, NGC 6200, A LOOSE YOUNG OPEN CLUSTER IN THE SAGITTARIUS-I ARM EXTENSION. OBSERVATORY 97,129 13.065 FITZGERALD,M.P.,MOFFAT,A.F.J. :1974, PUPPIS CLUSTERS HAFFNER 19 AND 18AB AND THE 15 KILOPARSEC ARM(?). ASTRON.J. 79,873 13.066 FITZGERALD,M.P.,MOFFAT,A.F.J. :1974, HAFFNER 20 AND 21,TWO MODERATELY OLD OPEN CLUSTERS IN PUPPIS. PUBL.ASTRON.SOC.PACIFIC 86,480 13.067 FITZGERALD,M.P.,MOFFAT,A.F.J. :1975, ON THE NATURE OF THE PUPPIS CLUSTER NGC 2483. ASTRON.ASTROPHYS.SUPPL. 20,289 13.068 FITZGERALD,M.P.,MOFFAT,A.F.J. :1980, THE PUPPIS OPEN CLUSTER PAIR CZERNIK 29 AND HAFFNER 10. PUBL.ASTRON.SOC.PACIFIC 92,489 13.069 FORBES,D.,DUPUY,D.L. :1978, UBV PHOTOMETRY OF THE OPEN CLUSTERS NGC 6604 AND NGC 6704. ASTRON.J. 83,266 13.070 GARRISON,R.F.,SCHILD,R.E. :1979, THE MAIN SEQUENCE OF NGC 6231. ASTRON.J. 84,1020 13.071 GRASDALEN,G.L.,CARRASCO,L. :1975, NGC 2175: THE CLUSTER AGE AND THE NATURE OF THE NEBULOSITY SURROUNDING S 252A. ASTRON.ASTROPHYS. 43,259 13.072 GRAYZECK,E.J.,FITZGERALD,M.P.,LUIKEN,M. :1978, STUDY OF THE OPEN CLUSTER NGC 6546 AND CEPHEID AV SAGITTARII. PUBL.ASTRON.SOC.PACIFIC 90,742 13.073 GRUBISSICH,C. :1960, DIE OFFENEN STERNHAUFEN NGC 6823 UND NGC 6830. Z.ASTROPHYSIK 50,14 13.074 GRUBISSICH,C. :1964, DREIFARBEN-PHOTOMETRIE DER GALAKTISCHEN STERNHAUFEN TR 33 UND CR 469. Z.ASTROPHYSIK 58,276 13.075 GRUBISSICH,C. :1965, DREIFARBEN-PHOTOMETRIE VON ZWEI OFFENEN STERNHAUFEN IN RICHTUNG DER SCUTUM-WOLKE. Z.ASTROPHYSIK 60,249 13.076 GRUBISSICH,C. :1967, FARBEN-HELLIGKEITSDIAGRAMME UND ENTFERNUNG DES OFFENEN STERNHAUFENS NGC 6694=M26. Z.ASTROPHYSIK 65,105 13.077 GRUBISSICH,C. 1973: A PHOTOMETRIC STUDY OF THE OPEN CLUSTER IC 2157. ASTRON.ASTROPHYS.SUPPL. 11,287 13.078 GRUBISSICH,C. :1975, THREE-COLOUR PHOTOMETRY OF THE TWO GALACTIC STAR CLUSTERS NGC 559 AND NGC 637. ASTRON.ASTROPHYS.SUPPL. 21,99 13.079 GRUBISSICH,C. :1977, RGU-PHOTOMETRIE DES GALAKTISCHEN STERNHAUFEN NGC 3247. ASTRON.ASTROPHYS.SUPPL. 29,379 13.080 HAGEN,G.L. :1970, AN ATLAS OF OPEN CLUSTER COLOUR- MAGNITUDE DIAGRAMS. PUBL.DAVID DUNLAP OBS.UNIV.TORONTO VOL 4 13.081 HARDORP,J. :1960, DREIFARBEN-PHOTOMETRIE EINER STERNHAUFENGRUPPE. ASTRONOMISCHE ABHANDLUNGEN DER HAMBURGER STERNWARTE 5,215 13.082 HARRIS,G.L.H.,HARRIS,W.E. :1977, THE HYADES-AGE CLUSTER NGC 1817. ASTRON.J. 82,612 13.083 HARRIS,G.L.H.,VAN DEN BERGH,S. :1976, THE CEPHEID CS VELORUM AND THE CLUSTER RUPRECHT 79. ASTROPHYS.J. 209,130 13.084 HARTWICK,F.D.A.,HESSER,J.E. 1973: NGC 2660 AND ITS NEARBY CARBON STAR. ASTROPHYS.J. 183,883 13.085 HARTWICK,F.D.A.,HESSER,J.E.,MCCLURE,R.D. :1972, A PHOTOMETRIC STUDY OF THE OPEN CLUSTER NGC 2477. ASTROPHYS.J. 174,557 13.086 HASSAN,S.M. :1972, A NEW PHOTOMETRIC INVESTIGATION OF NGC 1662. MEM.SOC.ASTRON.ITAL. 43,117 13.087 HASSAN,S.M. :1972, THREE COLOUR PHOTOMETRY OF NGC 1647. MEM.SOC.ASTRON.ITAL. 43,279 13.088 HASSAN,S.M. 1973: THREE COLOUR PHOTOMETRY OF THE FIVE OPEN CLUSTERS NGC 7039,NGC 7062,NGC 7067,NGC 7082,IC 1369. ASTRON.ASTROPHYS.SUPPL. 9,261 13.089 HASSAN,S.M. :1975, THE STELLAR GROUPS BA 12,BA 13,BA 14 AND BA 15. ASTRON.ASTROPHYS.SUPPL. 20,255 13.090 HASSAN,S.M. :1976, UBV PHOTOMETRY OF THE GALACTIC CLUSTER MEL 71. ASTRON.ASTROPHYS.SUPPL. 26,9 13.091 HASSAN,S.M. :1976, UBV PHOTOMETRY OF THE GALACTIC CLUSTER NGC 2423. ASTRON.ASTROPHYS.SUPPL. 26,13 13.092 HASSAN,S.M.,BARBON,M. 1973: A PHOTOMETRIC STUDY OF THE OPEN CLUSTER NGC 7031. MEM.SOC.ASTRON.ITAL. 44,39 13.093 HAUG,U. :1978, PHOTOELECTRIC AND PHOTOGRAPHIC PHOTOMETRY IN THE OPEN CLUSTERS NGC 5617,TR 22 AND NGC 5662. ASTRON.ASTROPHYS.SUPPL. 34,417 13.094 HAVLEN,R.J. :1976, NGC 2583 AND THE CEPHEID BN PUPPIS. ASTRON.ASTROPHYS. 49,307 13.095 HAVLEN,R.J. :1976, PHOTOELECTRIC PHOTOMETRY AND INTERPRETATION OF THE PUPPIS CLUSTER NGC 2483. ASTRON.ASTROPHYS. 50,227 13.096 HAWARDEN,T.G. :1974, NGC 6259:SOUTHERN IMAGE OF M11. MONTHLY NOTICES ROY.ASTRON.SOC. 169,539 13.097 HAWARDEN,T.J. :1975, THE OLD,METAL-POOR OPEN CLUSTER NGC 2243. MONTHLY NOTICES ROY.ASTRON.SOC. 173,801 13.098 HAWARDEN,T.G. :1976, NGC 2204:AN OLD OPEN CLUSTER IN THE HALO. MONTHLY NOTICES ROY.ASTRON.SOC. 174,225 13.099 HAWARDEN,T.G. :1976, THE OLD OPEN CLUSTER MELOTTE 66. MONTHLY NOTICES ROY.ASTRON.SOC. 174,471 13.100 HERBST,W. :1977, EXTINCTION LAW IN DUST CLOUDS AND THE YOUNG SOUTHRN CLUSTER NGC 6250: FURTHER EVIDENCE FOR HIGH VALUES OF R. ASTRON.J. 82,902 13.101 HERZOG,A.D.,SANDERS,W.L.,SEGGEWISS,W. :1975, MEMBERSHIP AND PHOTOMETRY OF THE OPEN CLUSTER IC 4756. ASTRON.ASTROPHYS.SUPPL. 19,211 13.102 HILL,G.,BARNES,J.V. :1971, A SPECTROSCOPIC AND PHOTOMETRIC INVESTIGATION OF NGC 7243. ASTRON.J. 76,111 13.103 HILL,G.,PERRY,C.L. :1969, PHOTOMETRIC STUDIES OF SOUTHERN GALACTIC CLUSTERS. II. IC 2602. ASTRON.J. 74,1011 13.104 HOGG,R.A. :1961, A SOUTHERN GALACTIC CLUSTER. OBSERVATORY 81,69 13.105 ISSERSTEDT,J.,SCHMIDT-KALER,T. 1973: DER OFFENE STERNHAUFEN COLLINDER 107 UND EIN STERNRING IN MONOCEROS. ASTRON.ASTROPHYS.SUPPL. 10,365 13.106 JACKSON,P.D.,FITZGERALD,M.P.,MOFFAT,A.F.J. :1977, PHOTOELECTRIC AND SPECTROSCOPIC OBSERVATIONS OF BOCHUM 15. ASTRON.ASTROPHYS. 60,417 13.107 JANES,K.A. :1981, ASTRON.J. IN PRESS 13.108 JOHANSSON,K.L.V. :1981, A STUDY OF SOME STARS IN THE REGION OF THE OPEN CLUSTER NGC 3532 AND THE REGIONS OF FIVE LODEN CLUSTER CANDIDATES IN THE SOUTHRN MILKY WAY. ASTRON.ASTROPHYS.SUPPL. 43,421 13.109 JOSHI,U.C.,SAGAR,R. :1977, PHOTOELECTRIC PHOTOMETRY OF THE OPEN CLUSTER TR-1. ASTROPHYS.SPACE SCI. 48,225 13.110 KALINOWSKI,J.K. :1979, THESIS. INDIANA UNIVERSITY 13.111 KILAMBI,G.C. :1975, INTERMEDIATE-AND WIDE-BAND PHOTOMETRY OF NGC 2571. PUBL.ASTRON.SOC.PACIFIC 87,975 13.112 KILAMBI,G.C. :1977, BROAD-BAND PHOTOMETRY OF NGC 6530. MONTHLY NOTICES ROY.ASTRON.SOC. 178,423 13.113 KILAMBI,G.C. :1978, UBV ANALYSIS OF THE OPEN CLUSTER NGC 2571. PUBL.ASTRON.SOC.PACIFIC 90,721 13.114 KIRAL,A. :1969, DER OFFENE STERNHAUFEN NGC 2254 ASTRON.ASTROPHYS. 2,25 13.115 KIRAL,A. :1969, DIE STERNGRUPPE BA 7. ASTRON.ASTROPHYS. 3,327 13.116 KRUSPAN,E. :1959, RGU-PHOTOMETRIE DER OFFENEN STERNHAUFEN NGC 559,581,637,659 UND TR 1. Z.ASTROPHYSIK 48,1 13.117 LEE,V.J.,BURKHEAD,M.S. :1971, PRELIMINARY PHOTOMETRY OF THE OPEN CLUSTER NGC 609. ASTRON.J. 76,467 13.118 LINDOFF,U. :1969, THE OPEN CLUSTER NGC 559. ARKIV.F.ASTRON. 5,221 13.119 LINDOFF,U. :1971, THE OPEN CLUSTERS NGC 6613 (M18) AND NGC 6716. ASTRON.ASTROPHYS. 15,439 13.120 LINDOFF,U. :1972, THE OPEN CLUSTER NGC 6811. ASTRON.ASTROPHYS. 16,315 13.121 LINDOFF,U. :1972, AN INVESTIGATION OF FOUR SOUTHERN OPEN CLUSTERS. ASTRON.ASTROPHYS.SUPPL. 7,231 13.122 LINDOFF,U. :1972, THE OLD OPEN CLUSTER NGC 6819. ASTRON.ASTROPHYS.SUPPL. 7,497 13.123 LINDOFF,U. 1973: THE OPEN CLUSTER NGC 2527. ASTRON.ASTROPHYS.SUPPL. 9,229 13.124 LYNGA,G. :1977, REMARKS ON THE CLUSTER LYNGA 6. ASTRON.ASTROPHYS. 54,311 13.125 MADORE,B.F. :1975, TENTATIVE MEMBERSHIP OF THE 11-DAY CEPHEID TW NORMAE IN THE OPEN CLUSTER LYNGA 6. ASTRON.ASTROPHYS. 38,471 13.126 MARTINI,A. :1971, A STUDY ON THE GALACTIC CLUSTER STOCK 2. MEM.SOC.ASTRON.ITAL. 42,523 13.127 MCCLURE,R.D.,FORRESTER,W.T.,GIBSON,J. :1974, THE OLD OPEN CLUSTER NGC 2420. ASTROPHYS.J. 189,409 13.128 MCCLURE,R.D.,TWAROG,B.A. :1977, NEW PHOTOGRAPHIC DATA FOR NGC 188. ASTROPHYS.J. 214,111 13.129 MCCLURE,R.D.,TWAROG,B.A.,FORRESTER,W.T. :1981, THE OLD OPEN CLUSTER NGC 2506 AND ITS SIMILARITY TO NGC 2420. ASTROPHYS.J. 243,841 13.130 MOFFAT,A.F.J. :1971, PHOTOMETRY AND STRUCTURE OF THE YOUNG OPEN CLUSTER NGC 7380. ASTRON.ASTROPHYS. 13,30 13.131 MOFFAT,A.F.J. :1972, PHOTOMETRY OF ELEVEN YOUNG OPEN STAR CLUSTERS. ASTRON.ASTROPHYS.SUPPL. 7,355 13.132 MOFFAT,A.F.J. :1974, THE WOLF-RAYET STAR HDE 311884 IN THE OPEN CLUSTER HOGG 15. ASTRON.ASTROPHYS. 34,29 13.133 MOFFAT,A.F.J. :1974, NGC 2345, A MODERATELY YOUNG OPEN CLUSTER IN CANIS MAJOR. ASTRON.ASTROPHYS.SUPPL. 16,33 13.134 MOFFAT,A.F.J.,FITZGERALD,M.P. :1974, NGC 3105, A YOUNG VERY DISTANT CLUSTER IN VELA. ASTRON.ASTROPHYS.SUPPL. 16,25 13.135 MOFFAT,A.F.J.,FITZGERALD,M.P. :1974, NGC 2453, A MODERATELY YOUNG OPEN CLUSTER IN PUPPIS. ASTRON.ASTROPHYS.SUPPL. 18,19 13.136 MOFFAT,A.F.J.,FITZGERALD,M.P.,JACKSON,P.D. :1977, TRUMPLER 27: A HEAVILY REDDENED YOUNG OPEN CLUSTER WITH BLUE AND RED SUPERGIANTS. ASTROPHYS.J. 215,106 13.137 MOFFAT,A.F.J.,VOGT,N. 1973: SOUTHERN OPEN STAR CLUSTERS III. UBV-H BETA PHOTOMETRY OF 28 CLUSTERS BETWEEN GALACTIC LONGITUDES 297 AND 353. ASTRON.ASTROPHYS.SUPPL. 10,135 13.138 MOFFAT,A.F.J,VOGT,N. 1973: PHOTOGRAPHISCHE UBV-PHOTOMETRIE VON ZEHN OFFENEN STERNHAUFEN IN EINEM MILCHSTRASSENFELD BEI L=135. ASTRON.ASTROPHYS.SUPPL. 11,3 13.139 MOFFAT,A.F.J.,VOGT,N. :1975, SOUTHERN OPEN STAR CLUSTERS IV. UBV-H BETA PHOTOMETRY OF 26 CLUSTERS FROM MONOCEROS TO VELA. ASTRON.ASTROPHYS.SUPPL. 20,85 13.140 MOFFAT,A.F.J.,VOGT,N. :1975, SOUTHERN OPEN STAR CLUSTERS V. UBV-H BETA PHOTOMETRY OF 20 CLUSTERS IN CARINA. ASTRON.ASTROPHYS.SUPPL. 20,125 13.141 MOFFAT,A.F.J.,VOGT,N. :1975, SOUTHERN OPEN STAR CLUSTERS VI. ASTRON.ASTROPHYS.SUPPL. 20,155 13.142 QZSVATH,I. :1960, DREIFARBEN-PHOTOMETRIE VON NGC 7789. ASTRONOMOSCHE ABHANDLUNGEN DER HAMBURGER STERNWARTE 5,127 13.143 PERRY,C.L.,FRANKLIN,C.B.,LANDOLT,A.U.,CRAWFORD,D.L. :1976, MULTICOLOR PHOTOMETRY OF THE OPEN CLUSTER NGC 4755. ASTRON.J. 81,632 13.144 PERRY,C.L.,HILL,G. :1969, PHOTOMETRIC STUDIES OF SOUTHERN GALACTIC CLUSTERS.I. IC 2391. ASTRON.J. 74,899 13.145 PERRY,C.L.,LEE,P.D.,BARNES,J.V. :1978, A PHOTOMETRIC AND SPECTROSCOPIC STUDY OF THE OPEN CLUSTER NGC 2169. PUBL.ASTRON.SOC.PACIFIC 90,73 13.146 PERRY,C.L.,WALTER,D.K.,CRAWFORD,D.L. :1978, MULTICOLOR PHOTOMETRY OF THE ZETA SCULPTORIS OPEN CLUSTER. PUBL.ASTRON.SOC.PACIFIC 90,81 13.147 PICCIRILLO,J.,STEIN,W.L. :1978, PRELIMINARY PHOTOMETRY OF THE OPEN CLUSTER IC 361. ASTRON.J. 83,971 13.148 PISMIS,P. :1970, STUDIES ON STAR CLUSTERS: THE OPEN CLUSTER T 9. BOL.OBS.TONANTZINTLA-TACUBAYA 5,293 13.149 RACINE,R :1969, ROS 4, A DISTANT OPEN CLUSTER ASSOCIATED WITH NEBULOSITIES. ASTRON.J. 74,816 13.150 RACINE,R. :1971, PHOTOMETRY OF M67 TO M(V)=+12. ASTRON.J. 168,393 13.151 RAHIM,M. :1970, THE OPEN CLUSTER NGC 2236. ASTRON.ASTROPHYS. 9,221 13.152 SAGAR,R. :1976, PHOTOMETRY OF THE GALACTIC CLUSTER NGC 2169. ASTROPHYS.SPACE SCI. 40,447 13.153 SAGAR,R.,JOSHI,U.C. :1978, STUDY OF THE GALACTIC CLUSTER NGC 581. BULL.ASTRON.SOC.INDIA 6,12 13.154 SAGAR,R.,JOSHI,U.C. :1978, STUDY OF THE EXTREMELY YOUNG OPEN CLUSTER NGC 6530. MONTHLY NOTICES ROY.ASTRON.SOC. 184,467 13.155 SEGGEWISS,W. :1968, DREIFARBEN-PHOTOMETRIE DER SUEDLICHEN STERNHAUFEN NGC 6242,NGC 6268 UND TR 24. Z.ASTROPHYSIK 68,142 13.156 SEGGEWISS,W. :1971, PHOTOELECTRIC OBSERVATIONS OF STARS IN THE SOUTHERN OPEN CLUSTERS NGC 2335,NGC 2343,NGC 2453,NGC 4439 AND H 5. VEROEFFENTL.ASTRON.INST.BONN 83,17 13.157 STEINLIN,U. :1960, DREIFARBENPHOTOMETRIE SUEDLICHER OFFENER STERNHAUFEN III. NGC 2925. Z.ASTROPHYSIK 50,233 13.158 STEPPE,H. :1974, RGU PHOTOMETRY OF THE OPEN CLUSTERS NGC 581 (=M103),TR 1 AND NGC 659. ASTRON.ASTROPHYS. 66,137 13.159 STEPPE,H. :1977, RGU PHOTOMETRY OF EIGHT OPEN CLUSTERS NEAR ETA CARINAE: NGC 3572,NGC 3590,TR 18,TR 17,RU 92,RU 93, STOCK 13 AND BA 17. ASTRON.ASTROPHYS.SUPPL. 27,415 13.160 STONE,R.C. :1980, A UBV PHOTOMETRIC STUDY OF THE OPEN CLUSTER NGC 654. PUBL.ASTRON.SOC.PACIFIC 92,426 13.161 STROM,S.E.,STROM,K.M.,CARRASCO,L. :1974, A STUDY OF THE YOUNG CLUSTER IC 348. PUBL.ASTRON.SOC.PACIFIC 36,798 13.162 SUTANTYO,W.,HIDAJAT,B. :1972, PHOTOGRAPHIC PHOTOMETRY OF THE CLUSTER NGC 6866. INF.BULL.SOUTH.HEM. 19,31 13.163 SVOLOPOULOS,S.N. :1965, THE TWO DISTANT OPEN CLUSTERS MING 8 AND AN.BASEL 4. Z.ASTROPHYSIK 61,97 13.164 SVOLOPOULOS,S.N. :1965, A THREE COLOR PHOTOMETRY OF THE OPEN CLUSTERS NGC 6755 AND NGC 6756. Z.ASTROPHYSIK 61,105 13.165 SVOLOPOULOS,S.N. :1966, THE DISTANCES OF THE OPEN CLUSTERS NGC 6451,TR.31,NGC 6520 AND ANON.BASEL 5. Z.ASTROPHYSIK 64,67 13.166 TALBERT,F.D. :1975, UBV PHOTOMETRY OF NGC 6649. PUBL.ASTRON.SOC.PACIFIC 87,341 13.167 TEJEDOR,C. :1976, FOTOMETRIA FOTOGRAFICA RGU DEL CUMULO GALACTICO IC 2581. PUB.ASTRON.Y GEO. MADRID 89,595 13.168 THE,P.S.,STOKES,N. :1970, A STUDY OF THE SOUTHERN OPEN CLUSTERS: TR 27,TR 28,NGC 6416 AND NGC 6425. ASTRON.ASTROPHYS. 5,298 13.169 THE,P.S.,VLEEMING,G. :1971, ON THE DISTANCES OF THE OPEN CLUSTERS TR 14,TR 15,TR 16 AND THE ETA CARINAE NEBULA. ASTRON.ASTROPHYS. 14,120 13.170 TIFFT,W.G.,CONNOLLY,L.P.,WEBB,D.F. :1972, NGC 2818, AN OPEN CLUSTER CONTAINING A PLANETARY NEBULA. MONTHLY NOTICES ROY.ASTRON.SOC. 158,47 13.171 TOWNSEND,R.E. :1975, UBV PHOTOMETRY OF COLLINDER 463. PUBL.ASTRON.SOC.PACIFIC 87,753 13.172 TURNER,D.G. :1979, A STUDY OF THE EXTINCTION IN THE YOUNG OPEN CLUSTER NGC 6823. J.ROY.ASTRON.SOC.CAN. 73,74 13.173 TURNER,D.G. :1980, HARVARD 20, A CLUSTER CONTAINING A YELLOW SUPERGIANT. PUBL.ASTRON.SOC.PACIFIC 92,840 13.174 TURNER,D.G. :1981, COMMENTS ON THE CLUSTER MAIN-SEQUENCE FITTING METHOD. I. THE DISTANCE OF RUPRECHT 44. ASTRON.J. 86,222 13.175 TURNER,D.G. :1981, COMMENTS ON THE CLUSTER MAIN-SEQUENCE FITTING METHOD. II. A REEXAMINATION OF THE DATA FOR NGC 6649 AND THE CEPHEID V367 SCUTI. ASTRON.J. 86,231 13.176 TURNER,D.G.,GRIEVE,G.R.,HERBST,W.,HARRIS,W.E. :1980, THE YOUNG OPEN CLUSTER NGC 3293 AND ITS RELATION TO CAR OB1 AND THE CARINA NEBULA COMPLEX. ASTRON.J. 85,1193 13.177 VAN DEN BERGH,S. :1977, THE OLD OPEN CLUSTER NGC 2243. ASTROPHYS.J. 215,89 13.178 VAN DEN BERGH,S. :1978, UBV PHOTOMETRY OF THE LUMINOUS YOUNG CLUSTER NGC 3603. ASTRON.ASTROPHYS. 63,275 13.179 VAN DEN BERGH,S. :1978, UBV OBSERVATIONS OF THE OPEN CLUSTER M25. ASTRON.J. 83,1174 13.180 VAN DEN BERGH,S.,DE ROUX,J. :1978, UBV PHOTOMETRY OF THE OPEN CLUSTER NGC 663. ASTRON.J. 83,1075 13.181 VAN DEN BERGH,S.,HARRIS,G.L.H. :1976, THE 10.8 DAY CEPHEID TW NORMAE AND THE CLUSTER LYNGA NUMBER 6. ASTROPHYS.J. 208,765 13.182 VAN DEN BERGH,S.,HEERINGA,R. :1970, THE OLD OPEN CLUSTER NGC 7142. ASTRON.ASTROPHYS. 9,209 13.183 VAN DEN BERGH,S.,HERBST,E.,HARRIS,G.L.H.,HERBST,W. :1976, THE CEPHEID SV CRUCIS AND THE CLUSTER RUPRECHT 97 ASTROPHYS.J. 208,770 13.184 VIDAL,N.V. 1973: PHOTOGRAPHIC PHOTOMETRY OF THE OPEN CLUSTER M35. ASTRON.ASTROPHYS.SUPPL. 11,93 13.185 VLEEMING,G. :1974, A PHOTOMETRIC STUDY OF THE OPEN CLUSTER M6 (NGC 6405). ASTRON.ASTROPHYS.SUPPL. 16,331 13.186 VOGT,N.,MOFFAT,A.F.J. :1972, SOUTHERN OPEN STAR CLUSTERS I. UBV-H BETA PHOTOMETRY OF 15 CLUSTERS BETWEEN GALACTIC LONGITUDES 231 AND 256. ASTRON.ASTROPHYS.SUPPL. 7,133 13.187 VOGT,N.,MOFFAT,A.F.J. 1973: SOUTHERN OPEN STAR CLUSTERS II. UBV-H BETA PHOTOMETRY OF 11 CLUSTERS BETWEEN GALACTIC LONGITUDES 259 AND 280. ASTRON.ASTROPHYS.SUPPL. 9,97 13.188 WACKERNAGEL,H.B. :1959, DREIFARBENPHOTOMETRIE IM RGU-SYSTEM DES OFFENEN STERNHAUFENS MESSIER 35. Z.ASTROPHYSIK 47,121 13.189 WESSERLINK,A.J. :1969, PHOTOMETRY OF NGC 4103. MONTHLY NOTICES ROY.ASTRON.SOC. 146,329 13.190 WHITE,S.D.M. :1975, UBV PHOTOMETRY OF NGC 2439. ASTROPHYS.J. 197,67 13.191 WILLIAMS,P.M. :1978, THE OPEN CLUSTER CR 140 REVISITED. MONTHLY NOTICES ROY.ASTRON.SOC. 183,49 13.192 WINNENBURG,W 1973: THE YOUNG GALACTIC CLUSTER NGC 3766. ASTRON.ASTROPHYS. 24,157 13.193 WOODEN,W.H. :1971, RGU PHOTOGRAPHIC PHOTOMETRY OF THE GALACTIC CLUSTERS K 4 AND BA 10. ASTRON.ASTROPHYS. 13,218 13.194 WRAMDEMARK,S. :1978, BE 94, A YOUNG DISTANT CLUSTER IN CEPHEUS. ASTRON.ASTROPHYS. 66,137 13.195 YILMAZ,F. :1966, DIE ENTFERNUNG DES RINGFOERMIGEN OFFENEN STERNHAUFENS NGC 6683. Z.ASTROPHYSIK 64,61 13.196 YILMAZ,F. :1970, DREIFARBEN-PHOTOMETRIE DER GALAKTISCHEN STERNHAUFEN NGC 7226,NGC 7245,IC 1442 UND BE 94. ASTRON.ASTROPHYS. 8,213 13.197 YILMAZ,F. :1976, DREIFARBEN-PHOTOMETRIE DES GALAKTISCHEN STERNHAUFEN NGC 3766. ASTRON.ASTROPHYS.SUPPL. 26,1 13.198 YOSHIZAWA,M. :1978, STUDY OF THE INTERMEDIATE-AGE GALACTIC CLUSTER NGC 2281. I. UBV PHOTOELECTRIC OBSERVATIONS, BINARY FREQUENCY, AND THE LUMINOSITY FUNCTION OF BRIGHT MEMBERS. PUBL.ASTRON.SOC.JAPAN 30,123 13.199 ZELWANOWA,E.,SCHONEICH,W. :1971, PEKULIARE A-STERNE IN OFFENEN STERNHAUFEN. I. PHOTOELEKTRISCHE UBV-PHOTOMETRIE UND MK-KLASSIFIKATION VON STERNEN IM GEBIET VON NGC 7039. ASTRON.NACHR. 293,155