--- header unit 0: primary ---
SIMPLE = T / Written by IDL: Tue Jul 22 23:43:40 2008
BITPIX = -32 / array data type
NAXIS = 2 / number of array dimensions
NAXIS1 = 128
NAXIS2 = 128
EXTNAME = 'SCI' / Extension name
EXTVER = 1 / Extension version
ORIGIN = 'NOAO-IRAF FITS Image Kernel July 2003' / FITS file originator
DATE = '2004-10-27T03:32:37'
IRAF-TLM = '13:26:24 (22/08/2007)'
INHERIT = T / inherit the primary header
EXPNAME = 'j93k58lfq' / exposure identifier
BUNIT = 'ELECTRONS' / brightness units
  / WFC CCD CHIP IDENTIFICATION
CCDCHIP = '-999' / CCD chip (1 or 2)
  / World Coordinate System and Related Parameters
WCSAXES = 2 / number of World Coordinate System axes
CRPIX1 = -1863.00 / x-coordinate of reference pixel
CRPIX2 = 1766.00 / y-coordinate of reference pixel
CRVAL1 = '       83.849971' / first axis value at reference pixel
CRVAL2 = -5.375 / second axis value at reference pixel
CTYPE1 = 'RA---TAN' / the coordinate type for the first axis
CTYPE2 = 'DEC--TAN' / the coordinate type for the second axis
CD1_1 = -1.388968506861452E-05 / partial of first axis coordinate w.r.t. x
CD1_2 = 0.0 / partial of first axis coordinate w.r.t. y
CD2_1 = 0.0 / partial of second axis coordinate w.r.t. x
CD2_2 = 1.388968506861452E-05 / partial of second axis coordinate w.r.t. y
LTV1 = 0.0000000E+00 / offset in X to subsection start
LTV2 = 0.0000000E+00 / offset in Y to subsection start
LTM1_1 = 1.0 / reciprocal of sampling rate in X
LTM2_2 = 1.0 / reciprocal of sampling rate in Y
ORIENTAT = 0.0 / position angle of image y axis (deg. e of n)
RA_APER = 8.377187500000E+01 / RA of aperture reference position
DEC_APER = -5.360525000000E+00 / Declination of aperture reference position
PA_APER = -82.4785 / Position Angle of reference aperture center (de
VAFACTOR = 1.000065271754E+00 / velocity aberration plate scale factor
  / READOUT DEFINITION PARAMETERS
CENTERA1 = 2073 / subarray axis1 center pt in unbinned dect. pix
CENTERA2 = 1035 / subarray axis2 center pt in unbinned dect. pix
SIZAXIS1 = 4096 / subarray axis1 size in unbinned detector pixels
SIZAXIS2 = 2048 / subarray axis2 size in unbinned detector pixels
BINAXIS1 = 1 / axis1 data bin size in unbinned detector pixels
BINAXIS2 = 1 / axis2 data bin size in unbinned detector pixels
  / PHOTOMETRY KEYWORDS
PHOTMODE = 'ACS WFC1 F850LP' / observation con
PHOTFLAM = 1.5074510E-19 / inverse sensitivity, ergs/cm2/Ang/electron
PHOTZPT = -2.1100000E+01 / ST magnitude zero point
PHOTPLAM = 9.0548008E+03 / Pivot wavelength (Angstroms)
PHOTBW = 5.3946191E+02 / RMS bandwidth of filter plus detector
  / REPEATED EXPOSURES INFO
NCOMBINE = 7 / number of image sets combined during CR rejecti
  / DATA PACKET INFORMATION
FILLCNT = 0 / number of segments containing fill
ERRCNT = 0 / number of segments containing errors
PODPSFF = F / podps fill present (T/F)
STDCFFF = F / ST DDF fill present (T/F)
STDCFFP = 'x5569' / ST DDF fill pattern (hex)
  / ON-BOARD COMPRESSION INFORMATION
WFCMPRSD = F / was WFC data compressed? (T/F)
CBLKSIZ = 0 / size of compression block in 2-byte words
LOSTPIX = 0 / #pixels lost due to buffer overflow
COMPTYP = 'None' / compression type performed (Partial/Full/None)
  / IMAGE STATISTICS AND DATA QUALITY FLAGS
NGOODPIX = 8253432 / number of good pixels
SDQFLAGS = 31743 / serious data quality flags
GOODMIN = -2.1960718E+02 / minimum value of good pixels
GOODMAX = 7.6263320E+04 / maximum value of good pixels
GOODMEAN = 1.7030914E+03 / mean value of good pixels
SOFTERRS = 0 / number of soft error pixels (DQF=1)
SNRMIN = -4.1244156E+01 / minimum signal to noise of good pixels
SNRMAX = 2.1786980E+02 / maximum signal to noise of good pixels
SNRMEAN = 3.9844372E+01 / mean value of signal to noise of good pixels
MEANDARK = 9.3431985E-01 / average of the dark values subtracted
MEANBLEV = 2.2612356E+03 / average of all bias levels subtracted
MEANFLSH = 0.000000 / Mean number of counts in post flash exposure
HISTORY The following throughput tables were used: crotacomp$hst_ota_007_syn.fit
HISTORY s, cracscomp$acs_wfc_im123_004_syn.fits, cracscomp$acs_f850lp_004_syn.fi
HISTORY ts, cracscomp$acs_wfc_ebe_win12f_005_syn.fits, cracscomp$acs_wfc_ccd1_01
HISTORY 7_syn.fits
OCD1_2 = -1.38468E-05 / partial of first axis coordinate w.r.t. y
WCSCDATE = '03:40:40 (27/10/2004)' / Time WCS keywords were copied.
OCD1_1 = -2.80969E-06 / partial of first axis coordinate w.r.t. x
OCRVAL2 = -5.3620482220538 / second axis value at reference pixel
OCRPIX1 = 2048.0 / x-coordinate of reference pixel
OCRPIX2 = 1024.0 / y-coordinate of reference pixel
OCRVAL1 = 83.786375392187 / first axis value at reference pixel
ONAXIS1 = 4096 / Axis length
ONAXIS2 = 2048 / Axis length
OORIENTA = -82.2336 / position angle of image y axis (deg. e of n)
OCD2_1 = -1.356E-05 / partial of second axis coordinate w.r.t. x
OCTYPE2 = 'DEC--TAN' / the coordinate type for the second axis
OCTYPE1 = 'RA---TAN' / the coordinate type for the first axis
OCD2_2 = 1.88849E-06 / partial of second axis coordinate w.r.t. y
A_0_2 = 2.240619521913913E-06
B_0_2 = -7.160239855705337E-06
A_1_1 = -5.212126545449163E-06
B_1_1 = 6.209325949277573E-06
A_2_0 = 8.539675791024966E-06
B_2_0 = -1.751053520936371E-06
A_0_3 = 1.319440320951936E-11
B_0_3 = -4.120903669590466E-10
A_1_2 = -5.129394968227019E-10
B_1_2 = -8.378763069889957E-11
A_2_1 = -4.200524341410303E-11
B_2_1 = -5.146320101558321E-10
A_3_0 = -4.693301963330114E-10
B_3_0 = 9.169567427518609E-11
A_0_4 = -6.281747302000073E-14
B_0_4 = -7.061492160075686E-14
A_1_3 = -1.537757165463367E-14
B_1_3 = -3.031407067300249E-14
A_2_2 = 4.453439478053448E-14
B_2_2 = -3.691275825714326E-14
A_3_1 = 8.122031673009816E-15
B_3_1 = -3.811651356610247E-15
A_4_0 = 2.439724325223675E-14
B_4_0 = -1.623198442837458E-14
A_ORDER = 4
B_ORDER = 4
HISTORY HEXTRACT: Tue Jul 22 23:43:40 2008
HISTORY Original image size was 18000 by 7500
HISTORY Extracted Image: [10863:10990,1984:2111]