SIMPLE  =                    T / Fits standard                                  
BITPIX  =                   16 / Bits per pixel                                 
NAXIS   =                    0 / Number of axes                                 
EXTEND  =                    T / File may contain extensions                    
ORIGIN  = 'NOAO-IRAF FITS Image Kernel July 2003' / FITS file originator        
IRAF-TLM= '2014-04-11T18:05:59' / Time of last modification                     
NEXTEND =                   12 / Number of standard extensions                  
DATE    = '2007-02-08T21:38:46' / date this file was written (yyyy-mm-dd)       
FILENAME= 'j94f05bgq_flt.fits' / name of file                                   
FILETYPE= 'SCI      '          / type of data found in data file                
                                                                                
TELESCOP= 'HST'                / telescope used to acquire data                 
INSTRUME= 'ACS   '             / identifier for instrument used to acquire data 
EQUINOX =               2000.0 / equinox of celestial coord. system             
                                                                                
              / DATA DESCRIPTION KEYWORDS                                       
                                                                                
ROOTNAME= 'j94f05bgq                         ' / rootname of the observation set
IMAGETYP= 'EXT               ' / type of exposure identifier                    
PRIMESI = 'ACS   '             / instrument designated as prime                 
                                                                                
              / TARGET INFORMATION                                              
                                                                                
TARGNAME= 'NGC104                        ' / proposer's target name             
RA_TARG =   5.655000000000E+00 / right ascension of the target (deg) (J2000)    
DEC_TARG=  -7.207055555556E+01 / declination of the target (deg) (J2000)        
                                                                                
              / PROPOSAL INFORMATION                                            
                                                                                
PROPOSID=                10368 / PEP proposal identifier                        
LINENUM = '05.004         '    / proposal logsheet line number                  
PR_INV_L= 'Riess                         ' / last name of principal investigator
PR_INV_F= 'Adam                ' / first name of principal investigator         
PR_INV_M= '                    ' / middle name / initial of principal investigat
                                                                                
              / EXPOSURE INFORMATION                                            
                                                                                
SUNANGLE=            67.819656 / angle between sun and V1 axis                  
MOONANGL=            57.400970 / angle between moon and V1 axis                 
SUN_ALT =            -5.746915 / altitude of the sun above Earth's limb         
FGSLOCK = 'FINE              ' / commanded FGS lock (FINE,COARSE,GYROS,UNKNOWN) 
GYROMODE= '3'                  / observation scheduled with only two gyros (Y/N)
REFFRAME= 'GSC1    '           / guide star catalog version                     
                                                                                
DATE-OBS= '2005-03-07'         / UT date of start of observation (yyyy-mm-dd)   
TIME-OBS= '06:51:26'           / UT time of start of observation (hh:mm:ss)     
EXPSTART=   5.343628571938E+04 / exposure start time (Modified Julian Date)     
EXPEND  =   5.343629036114E+04 / exposure end time (Modified Julian Date)       
EXPTIME =           400.000000 / exposure duration (seconds)--calculated        
EXPFLAG = 'NORMAL       '      / Exposure interruption indicator                
QUALCOM1= '                                                                    '
QUALCOM2= '                                                                    '
QUALCOM3= '                                                                    '
QUALITY = '                                                                    '
                                                                                
                                                                                
              / POINTING INFORMATION                                            
                                                                                
PA_V3   =           337.125305 / position angle of V3-axis of HST (deg)         
                                                                                
              / TARGET OFFSETS (POSTARGS)                                       
                                                                                
POSTARG1=             0.000000 / POSTARG in axis 1 direction                    
POSTARG2=             0.000000 / POSTARG in axis 2 direction                    
                                                                                
              / DIAGNOSTIC KEYWORDS                                             
                                                                                
OPUS_VER= 'OPUS 2006_6       ' / OPUS software system version number            
CAL_VER = '4.6.1 (13-Mar-2006)' / CALACS code version                           
PROCTIME=   5.413989813657E+04 / Pipeline processing time (MJD)                 
                                                                                
              / SCIENCE INSTRUMENT CONFIGURATION                                
                                                                                
OBSTYPE = 'IMAGING       '     / observation type - imaging or spectroscopic    
OBSMODE = 'ACCUM     '         / operating mode                                 
CTEIMAGE= 'NONE'               / type of Charge Transfer Image, if applicable   
SCLAMP  = 'NONE     '          / lamp status, NONE or name of lamp which is on  
NRPTEXP =                    1 / number of repeat exposures in set: default 1   
SUBARRAY=                    F / data from a subarray (T) or full frame (F)     
DETECTOR= 'WFC'                / detector in use: WFC, HRC, or SBC              
FILTER1 = 'F606W             ' / element selected from filter wheel 1           
FILTER2 = 'CLEAR2L           ' / element selected from filter wheel 2           
FWOFFSET=                    0 / computed filter wheel offset                   
FWERROR =                    F / filter wheel position error flag               
LRFWAVE =             0.000000 / proposed linear ramp filter wavelength         
APERTURE= 'WFC             '   / aperture name                                  
PROPAPER= 'WFC             '   / proposed aperture name                         
DIRIMAGE= 'NONE     '          / direct image for grism or prism exposure       
CTEDIR  = 'NONE    '           / CTE measurement direction: serial or parallel  
CRSPLIT =                    1 / number of cosmic ray split exposures           
                                                                                
              / CALIBRATION SWITCHES: PERFORM, OMIT, COMPLETE                   
                                                                                
STATFLAG=                    F / Calculate statistics?                          
WRTERR  =                    T / write out error array extension                
DQICORR = 'COMPLETE'           / data quality initialization                    
ATODCORR= 'OMIT    '           / correct for A to D conversion errors           
BLEVCORR= 'COMPLETE'           / subtract bias level computed from overscan img 
BIASCORR= 'COMPLETE'           / Subtract bias image                            
FLSHCORR= 'OMIT    '           / post flash correction                          
CRCORR  = 'OMIT    '           / combine observations to reject cosmic rays     
EXPSCORR= 'COMPLETE'           / process individual observations after cr-reject
SHADCORR= 'OMIT    '           / apply shutter shading correction               
DARKCORR= 'COMPLETE'           / Subtract dark image                            
FLATCORR= 'COMPLETE'           / flat field data                                
PHOTCORR= 'COMPLETE'           / populate photometric header keywords           
RPTCORR = 'OMIT    '           / add individual repeat observations             
DRIZCORR= 'COMPLETE'           / drizzle processing                             
                                                                                
              / CALIBRATION REFERENCE FILES                                     
                                                                                
BPIXTAB = 'jref$q860440tj_bpx.fits' / bad pixel table                           
CCDTAB  = 'jref$o151506fj_ccd.fits' / CCD calibration parameters                
ATODTAB = 'jref$kcb1734hj_a2d.fits' / analog to digital correction file         
OSCNTAB = 'jref$lch1459bj_osc.fits' / CCD overscan table                        
BIASFILE= 'jref$p3v2228mj_bia.fits' / bias image file name                      
FLSHFILE= 'jref$nad14594j_fls.fits' / post flash correction file name           
CRREJTAB= 'jref$n4e12511j_crr.fits' / cosmic ray rejection parameters           
SHADFILE= 'jref$kcb17349j_shd.fits' / shutter shading correction file           
DARKFILE= 'jref$p3v2228qj_drk.fits' / dark image file name                      
PFLTFILE= 'jref$nar1136nj_pfl.fits' / pixel to pixel flat field file name       
DFLTFILE= 'N/A                    ' / delta flat field file name                
LFLTFILE= 'N/A                    ' / low order flat                            
PHOTTAB = 'N/A                    ' / Photometric throughput table              
GRAPHTAB= 'mtab$r1m18595m_tmg.fits' / the HST graph table                       
COMPTAB = 'mtab$r1j2146sm_tmc.fits' / the HST components table                  
IDCTAB  = 'postsm4_idc.fits'   / image distortion correction table              
DGEOFILE= 'jref$qbu16424j_dxy.fits' / Distortion correction image               
MDRIZTAB= 'jref$p3p16511j_mdz.fits' / MultiDrizzle parameter table              
CFLTFILE= 'N/A               ' / Coronagraphic spot image                       
SPOTTAB = 'N/A               ' / Coronagraphic spot offset table                
                                                                                
              / COSMIC RAY REJECTION ALGORITHM PARAMETERS                       
                                                                                
MEANEXP =             0.000000 / reference exposure time for parameters         
SCALENSE=             0.000000 / multiplicative scale factor applied to noise   
INITGUES= '   '                / initial guess method (MIN or MED)              
SKYSUB  = '    '               / sky value subtracted (MODE or NONE)            
SKYSUM  =                  0.0 / sky level from the sum of all constituent image
CRSIGMAS= '               '    / statistical rejection criteria                 
CRRADIUS=             0.000000 / rejection propagation radius (pixels)          
CRTHRESH=             0.000000 / rejection propagation threshold                
BADINPDQ=                    0 / data quality flag bits to reject               
REJ_RATE=                  0.0 / rate at which pixels are affected by cosmic ray
CRMASK  =                    F / flag CR-rejected pixels in input files (T/F)   
                                                                                
              / OTFR KEYWORDS                                                   
                                                                                
T_SGSTAR= '                  ' / OMS calculated guide star control              
                                                                                
              / PATTERN KEYWORDS                                                
                                                                                
PATTERN1= 'NONE                    ' / primary pattern type                     
P1_SHAPE= '                  ' / primary pattern shape                          
P1_PURPS= '          '         / primary pattern purpose                        
P1_NPTS =                    0 / number of points in primary pattern            
P1_PSPAC=             0.000000 / point spacing for primary pattern (arc-sec)    
P1_LSPAC=             0.000000 / line spacing for primary pattern (arc-sec)     
P1_ANGLE=             0.000000 / angle between sides of parallelogram patt (deg)
P1_FRAME= '         '          / coordinate frame of primary pattern            
P1_ORINT=             0.000000 / orientation of pattern to coordinate frame (deg
P1_CENTR= '   '                / center pattern relative to pointing (yes/no)   
PATTSTEP=                    0 / position number of this point in the pattern   
                                                                                
              / POST FLASH  PARAMETERS                                          
                                                                                
FLASHDUR=                  1.0 / Exposure time in seconds: 0.1 to 409.5         
FLASHCUR= 'MED '               / Post flash current: OFF, LOW, MED, HIGH        
FLASHSTA= 'SUCCESSFUL      '   / Status: SUCCESSFUL, ABORTED, NOT PERFORMED     
SHUTRPOS= 'B    '              / Shutter position: A or B                       
                                                                                
              / ENGINEERING PARAMETERS                                          
                                                                                
CCDAMP  = 'ABCD'               / CCD Amplifier Readout Configuration            
CCDGAIN =                    1 / commanded gain of CCD                          
CCDOFSTA=                    3 / commanded CCD bias offset for amplifier A      
CCDOFSTB=                    3 / commanded CCD bias offset for amplifier B      
CCDOFSTC=                    3 / commanded CCD bias offset for amplifier C      
CCDOFSTD=                    3 / commanded CCD bias offset for amplifier D      
                                                                                
              / CALIBRATED ENGINEERING PARAMETERS                               
                                                                                
ATODGNA =        9.9989998E-01 / calibrated gain for amplifier A                
ATODGNB =        9.7210002E-01 / calibrated gain for amplifier B                
ATODGNC =        1.0107000E+00 / calibrated gain for amplifier C                
ATODGND =        1.0180000E+00 / calibrated gain for amplifier D                
READNSEA=        4.9699998E+00 / calibrated read noise for amplifier A          
READNSEB=        4.8499999E+00 / calibrated read noise for amplifier B          
READNSEC=        5.2399998E+00 / calibrated read noise for amplifier C          
READNSED=        4.8499999E+00 / calibrated read noise for amplifier D          
BIASLEVA=        2.4281760E+03 / bias level for amplifier A                     
BIASLEVB=        2.5189324E+03 / bias level for amplifier B                     
BIASLEVC=        2.4417756E+03 / bias level for amplifier C                     
BIASLEVD=        2.4699448E+03 / bias level for amplifier D                     
                                                                                
              / ASSOCIATION KEYWORDS                                            
                                                                                
ASN_ID  = 'NONE      '         / unique identifier assigned to association      
ASN_TAB = 'NONE                   ' / name of the association table             
ASN_MTYP= '            '       / Role of the Member in the Association          
UPWCSVER= '1.1.4.dev31014'     / Version of STWCS used to updated the WCS       
PYWCSVER= '1.12.1.dev4001'     / Version of PYWCS used to updated the WCS       
HISTORY CCD parameters table:                                                   
HISTORY   reference table jref$o151506fj_ccd.fits                               
HISTORY     inflight                                                            
HISTORY     June 2002                                                           
HISTORY Uncertainty array initialized.                                          
HISTORY DQICORR complete ...                                                    
HISTORY   values checked for saturation                                         
HISTORY   DQ array initialized ...                                              
HISTORY   reference table jref$q860440tj_bpx.fits                               
HISTORY BLEVCORR complete; bias level from overscan was subtracted.             
HISTORY BLEVCORR does not include correction for drift along lines.             
HISTORY   Overscan region table:                                                
HISTORY   reference table jref$lch1459bj_osc.fits                               
HISTORY BIASCORR complete ...                                                   
HISTORY   reference image jref$p3v2228mj_bia.fits                               
HISTORY     INFLIGHT 05/03/2005 23/03/2005                                      
HISTORY     Superbias by Ray Lucas from proposal 10367 or 10370                 
HISTORY CCD parameters table:                                                   
HISTORY   reference table jref$o151506fj_ccd.fits                               
HISTORY     inflight                                                            
HISTORY     June 2002                                                           
HISTORY DARKCORR complete ...                                                   
HISTORY   reference image jref$p3v2228qj_drk.fits                               
HISTORY     INFLIGHT 05/03/2005 23/03/2005                                      
HISTORY     Superdark by Ray Lucas from proposal 10367 or 10370                 
HISTORY FLATCORR complete ...                                                   
HISTORY   reference image jref$nar1136nj_pfl.fits                               
HISTORY     InFlight 18/04/2002 - 09/05/2002                                    
HISTORY     F606W step +1 flat w/ mote shifted to -1 step                       
HISTORY PHOTCORR complete ...                                                   
HISTORY   reference table mtab$r1m18595m_tmg.fits                               
HISTORY   reference table mtab$r1j2146sm_tmc.fits                               
HISTORY EXPSCORR complete ...                                                   
TDDCORR = 'PERFORM '                                                            
WFCTDD  = 'T       '                                                            
NPOLFILE= 'jref$v971826kj_npl.fits'                                             
D2IMFILE= 'jref$x5u17177j_d2i.fits'                                             
DISTNAME= 'j94f05bgq_postsm4-v971826kj-x5u17177j'                               
SIPNAME = 'j94f05bgq_postsm4'                                                   
ORIGIN  = 'NOAO-IRAF FITS Image Kernel July 2003' / FITS file originator        
EXTNAME = 'SCI     '           / Extension name                                 
EXTVER  =                    1 / Extension version                              
DATE    = '2007-02-08T21:38:47' / Date FITS file was generated                  
IRAF-TLM= '13:38:23 (20/08/2008)' / Time of last modification                   
INHERIT =                    T / inherit the primary header                     
EXPNAME = 'j94f05bgq                ' / exposure identifier                     
BUNIT   = 'ELECTRONS'          / brightness units                               
CCDCHIP =                    2 / CCD chip (1 or 2)                              
WCSAXES =                    2 / number of World Coordinate System axes         
CRPIX1  =               2048.0 / x-coordinate of reference pixel                
CRPIX2  =               1024.0 / y-coordinate of reference pixel                
CRVAL1  =        5.63056810618 / first axis value at reference pixel            
CRVAL2  =       -72.0545718428 / second axis value at reference pixel           
CTYPE1  = 'RA---TAN-SIP'       / the coordinate type for the first axis         
CTYPE2  = 'DEC--TAN-SIP'       / the coordinate type for the second axis        
CD1_1   = 1.29058667557984E-05 / partial of first axis coordinate w.r.t. x      
CD1_2   = 5.95320245884555E-06 / partial of first axis coordinate w.r.t. y      
CD2_1   = 5.02215195623825E-06 / partial of second axis coordinate w.r.t. x     
CD2_2   = -1.2645010396976E-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=    154.7891975615789 / position angle of image y axis (deg. e of n)   
RA_APER =   5.655000000000E+00 / RA of aperture reference position              
DEC_APER=  -7.207055555556E+01 / Declination of aperture reference position     
PA_APER =              154.533 / Position Angle of reference aperture center (de
VAFACTOR=   1.000018683511E+00 / velocity aberration plate scale factor         
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
PHOTMODE= 'ACS WFC1 F606W'     / observation con                                
PHOTFLAM=        7.9064521E-20 / inverse sensitivity, ergs/cm2/Ang/electron     
PHOTZPT =       -2.1100000E+01 / ST magnitude zero point                        
PHOTPLAM=        5.9176797E+03 / Pivot wavelength (Angstroms)                   
PHOTBW  =        6.7231146E+02 / RMS bandwidth of filter plus detector          
NCOMBINE=                    1 / number of image sets combined during CR rejecti
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)                      
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) 
NGOODPIX=              7822781 / number of good pixels                          
SDQFLAGS=                31743 / serious data quality flags                     
GOODMIN =       -2.5959351E+02 / minimum value of good pixels                   
GOODMAX =        6.5220551E+04 / maximum value of good pixels                   
GOODMEAN=        2.0491536E+02 / mean value of good pixels                      
SOFTERRS=                    0 / number of soft error pixels (DQF=1)            
SNRMIN  =       -8.0327058E-01 / minimum signal to noise of good pixels         
SNRMAX  =        2.1379723E+02 / maximum signal to noise of good pixels         
SNRMEAN =        1.0889255E+01 / mean value of signal to noise of good pixels   
MEANDARK=        1.5474443E+00 / average of the dark values subtracted          
MEANBLEV=        2.4558604E+03 / average of all bias levels subtracted          
MEANFLSH=             0.000000 / Mean number of counts in post flash exposure   
OCRVAL1 =        5.63056810618 / first axis value at reference pixel            
OCRVAL2 =      -72.05457184279 / second axis value at reference pixel           
OCRPIX2 =               1024.0 / y-coordinate of reference pixel                
OCRPIX1 =               2048.0 / x-coordinate of reference pixel                
ONAXIS2 =                 2048 / Axis length                                    
ONAXIS1 =                 4096 / Axis length                                    
OCD2_2  =         -1.26445E-05 / partial of second axis coordinate w.r.t. y     
OCD2_1  =          5.02243E-06 / partial of second axis coordinate w.r.t. x     
OORIENTA=    154.7886863186197 / position angle of image y axis (deg. e of n)   
OCTYPE1 = 'RA---TAN'           / the coordinate type for the first axis         
OCD1_1  =          1.29046E-05 / partial of first axis coordinate w.r.t. x      
OCD1_2  =           5.9531E-06 / partial of first axis coordinate w.r.t. y      
OCTYPE2 = 'DEC--TAN'           / the coordinate type for the second axis        
WCSCDATE= '21:39:44 (08/02/2007)' / Time WCS keywords were copied.              
A_0_2   = 2.16615952976212E-06                                                  
B_0_2   = -7.2168814507744E-06                                                  
A_1_1   = -5.1974576466834E-06                                                  
B_1_1   = 6.18443235774478E-06                                                  
A_2_0   = 8.55127758255650E-06                                                  
B_2_0   = -1.746491877058669E-06                                                
A_0_3   = 1.08193519820265E-11                                                  
B_0_3   = -4.175472049274932E-10                                                
A_1_2   = -5.234870743692412E-10                                                
B_1_2   = -6.169265268681388E-11                                                
A_2_1   = -3.9771547747287E-11                                                  
B_2_1   = -5.0857161673862E-10                                                  
A_3_0   = -4.7304448292227E-10                                                  
B_3_0   = 8.56763542781631E-11                                                  
A_0_4   = 1.49356171166049E-14                                                  
B_0_4   = -9.9570490655478E-15                                                  
A_1_3   = -2.4569975537746E-14                                                  
B_1_3   = 1.21743011568848E-14                                                  
A_2_2   = 3.46791267104378E-14                                                  
B_2_2   = -3.66143259286574E-14                                                 
A_3_1   = 1.97102297166030E-15                                                  
B_3_1   = -3.779506805487476E-15                                                
A_4_0   = 2.37430106240231E-14                                                  
B_4_0   = -1.7687653826004E-14                                                  
A_ORDER =                    4                                                  
B_ORDER =                    4                                                  
D2IMERR1= 0.002770500956103206 / Maximum error of NPOL correction for axis 1    
D2IMDIS1= 'Lookup  '           / Detector to image correction type              
D2IM1   = 'EXTVER: 1' / Version number of WCSDVARR extension containing d2im loo
D2IM1   = 'NAXES: 2' / Number of independent variables in d2im function         
D2IM1   = 'AXIS.1: 1' / Axis number of the jth independent variable in a d2im fu
D2IM1   = 'AXIS.2: 2' / Axis number of the jth independent variable in a d2im fu
CPERR1  =  0.08311891555786133 / Maximum error of NPOL correction for axis 1    
CPDIS1  = 'Lookup  '           / Prior distortion function type                 
DP1     = 'EXTVER: 1' / Version number of WCSDVARR extension containing lookup d
DP1     = 'NAXES: 2' / Number of independent variables in distortion function   
DP1     = 'AXIS.1: 1' / Axis number of the jth independent variable in a distort
DP1     = 'AXIS.2: 2' / Axis number of the jth independent variable in a distort
CPERR2  =   0.0758458599448204 / Maximum error of NPOL correction for axis 2    
CPDIS2  = 'Lookup  '           / Prior distortion function type                 
DP2     = 'EXTVER: 2' / Version number of WCSDVARR extension containing lookup d
DP2     = 'NAXES: 2' / Number of independent variables in distortion function   
DP2     = 'AXIS.1: 1' / Axis number of the jth independent variable in a distort
DP2     = 'AXIS.2: 2' / Axis number of the jth independent variable in a distort
TDDALPHA=  0.03676157754622637                                                  
TDDBETA = -0.00958719251540879                                                  
IDCSCALE=                 0.05                                                  
IDCV2REF=    256.6222229003906                                                  
IDCV3REF=    302.2264099121094                                                  
IDCTHETA=                  0.0                                                  
OCX10   = 0.001959713482071437                                                  
OCX11   =  0.04983122487595928                                                  
OCY10   =  0.05027393143048926                                                  
OCY11   =  0.00148847536166365                                                  
SORIENTA=    154.7925383197021 / position angle of image y axis (deg. e of n)   
SCRVAL1 =        5.63056810618 / first axis value at reference pixel            
SNAXIS2 =                 2048 / Axis length                                    
SNAXIS1 =                 4096 / Axis length                                    
SCRVAL2 =      -72.05457184279 / second axis value at reference pixel           
SCTYPE1 = 'RA---TAN-SIP'       / the coordinate type for the first axis         
SCTYPE2 = 'DEC--TAN-SIP'       / the coordinate type for the second axis        
SCD2_2  = -1.264489181627715E-05 / partial of second axis coordinate w.r.t. y   
SCD2_1  = 5.022886862247075E-06 / partial of second axis coordinate w.r.t. x    
SCD1_2  = 5.952245949610081E-06 / partial of first axis coordinate w.r.t. y     
SCRPIX2 =               1024.0 / y-coordinate of reference pixel                
SCRPIX1 =               2048.0 / x-coordinate of reference pixel                
SCD1_1  = 1.290545120875315E-05 / partial of first axis coordinate w.r.t. x     
IDCXREF =               2048.0                                                  
IDCYREF =               1024.0                                                  
D2IMEXT = 'jref$x5u17177j_d2i.fits'                                             
WCSNAMEO= 'OPUS    '                                                            
WCSAXESO=                    2                                                  
CRPIX1O =                 2048                                                  
CRPIX2O =                 1024                                                  
CDELT1O =                    1                                                  
CDELT2O =                    1                                                  
CUNIT1O = 'deg     '                                                            
CUNIT2O = 'deg     '                                                            
CTYPE1O = 'RA---TAN-SIP'                                                        
CTYPE2O = 'DEC--TAN-SIP'                                                        
CRVAL1O =        5.63056810618                                                  
CRVAL2O =       -72.0545718428                                                  
LONPOLEO=                  180                                                  
LATPOLEO=       -72.0545718428                                                  
RESTFRQO=                    0                                                  
RESTWAVO=                    0                                                  
CD1_1O  =    1.29056256334E-05                                                  
CD1_2O  =     5.9530912342E-06                                                  
CD2_1O  =    5.02205812656E-06                                                  
CD2_2O  =   -1.26447741482E-05                                                  
IDCTAB  = 'postsm4_idc.fits'                                                    
WCSNAME = 'IDC_postsm4'                                                         
NPOLEXT = 'jref$v971826kj_npl.fits'                                             
              / WFC CCD CHIP IDENTIFICATION                                     
              / World Coordinate System and Related Parameters                  
              / READOUT DEFINITION PARAMETERS                                   
              / PHOTOMETRY KEYWORDS                                             
              / REPEATED EXPOSURES INFO                                         
              / DATA PACKET INFORMATION                                         
              / ON-BOARD COMPRESSION INFORMATION                                
              / IMAGE STATISTICS AND DATA QUALITY FLAGS                         
HISTORY The following throughput tables were used: crotacomp$hst_ota_007_syn.fit
HISTORY s, cracscomp$acs_wfc_im123_004_syn.fits, cracscomp$acs_f606w_005_syn.fit
HISTORY s, cracscomp$acs_wfc_ebe_win12f_005_syn.fits, cracscomp$acs_wfc_ccd1_017
HISTORY _syn.fits                                                               