J/A+AS/106/559 HeII4686 line intensities of PN (Tylenda+, 1994) ================================================================================ A catalogue of HeII 4686 line intensities in Galactic planetary nebulae Tylenda R., Stasinska G., Acker A., Stenholm B. =1994A&AS..106..559T (SIMBAD/NED Reference) ================================================================================ ADC_Keywords: Planetary nebulae ; Spectroscopy Keywords: stars: asymptotic, post-asymptotic giant branch (AGB, post-AGB) - planetary nebulae: general - stars: fundamental parameters - catalogs Abstract: We have compiled the intensities of the HeII 4686 lines measured in Galactic planetary nebulae. We present a few observational diagrams related to this parameter, and discuss them with the help of theoretical diagrams obtained from simple model planetary nebulae surrounding evolving central stars of various masses. We determine the hydrogen and helium Zanstra temperature for all the objects with accurate enough data. We argue that, for Galactic planetary nebulae as a whole, the main cause for the Zanstra discrepancy is leakage of stellar ionizing photons from the nebulae. File Summary: -------------------------------------------------------------------------------- File Name Lrecl Records Explanations -------------------------------------------------------------------------------- ReadMe 80 . This file table1.dat 80 768 Intensities of HeII4686 and Halpha for Galactic planetary nebulae refs.dat 74 49 References (bibcodes) -------------------------------------------------------------------------------- See also: V/84 : Strasbourg-ESO Catalogue of Galactic PLanetary Nebulae (Acker et al., 1992) Byte-by-byte Description of file: table1.dat -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 10 A10 --- PNG PNG number of the planetary nebulae from the Strasbourg-ESO catalogue 13- 24 A12 --- Name Usual name of the planetary nebulae 25 A1 --- l_HeII Limit flag for HeII 4686 intensity 26- 30 F5.1 --- HeII Intensity of HeII 4686 on the scale Hbeta=100 31 A1 --- u_HeII Uncertainty flag on HeII 4686 intensity 33- 52 A20 --- r_HeII Comma-separated short references for HeII 4686 (see refs.dat, full references in the paper) 53 A1 --- l_Halpha Limit flag for Halpha intensity 54- 58 F5.0 --- Halpha []? intensity of the Halpha line on the scale Hbeta=100 59 A1 --- u_Halpha Uncertainty flag on Halpha intensity 60- 80 A21 --- r_Halpha Comma-separated short references for Halpha (see refs.dat, full references in the paper) -------------------------------------------------------------------------------- Byte-by-byte Description of file: refs.dat -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 5 A5 --- RefCode Reference code 7 A1 --- --- [=] 8- 26 A19 --- BibCode The 19-digit bibcode 28 A1 --- --- [-] 30- 74 A45 --- Text Authors of the paper -------------------------------------------------------------------------------- ================================================================================ (End) CDS Catalogues Service 2000-Feb-28 History: * 03-May-1994: First preparation by Patricia Bauer [CDS] * 28-Feb-2000: refs.dat added, missing references added (Francois Ochsenbein) ================================================================================ (End) Patricia Bauer, Francois Ochsenbein [CDS] 28-Feb-2000