SIMPLE = T / Fits standard BITPIX = 16 / Bits per pixel NAXIS = 2 / Number of axes NAXIS1 = 2048 / Axis length NAXIS2 = 4100 / Axis length BSCALE = 1.145669E0 / REAL = TAPE*BSCALE + BZERO BZERO = 3.793600E4 / EXTEND = F / File may contain extensions IRAF-TLM= '14:31:18 (18/05/1999)' / Time of last modification OBJECT = 'VIRGO311' / ORIGIN = 'KPNO-IRAF' / DATE = '19/05/99' / IRAFNAME= 'iraf3432b' / NAME OF IRAF IMAGE FILE IRAF-MAX= 7.546810E4 / DATA MAX IRAF-MIN= 4.038996E2 / DATA MIN IRAF-BPX= 64 / DATA BITS/PIXEL IRAFTYPE= 'DOUBLE ' / PIXEL TYPE ORIGIN = 'NOAO-IRAF FITS Image Kernel Aug 1 1997' / FITS file originator DATE = '18/05/99' / Date FITS file was generated RUN = 158500 / Run number SYSVER = 's7-1 ' / Version of observing system OBSERVAT= 'LAPALMA ' / Name of observatory (IRAF style) OBSTYPE = 'TARGET ' / Type of observation, eg. ARC IMAGETYP= 'TARGET ' / Type of observation, eg. ARC CTYPE1 = 'RA---ZPX' / Type of coordinate on axis 1 CTYPE2 = 'DEC--ZPX' / Type of coordinate on axis 2 CRPIX1 = -319.077517318151 / Reference pixel on axis 1 CRPIX2 = 3035.64982635572 / Reference pixel on axis 2 CRVAL1 = 187.8708 / Value at ref. pixel on axis 1 CRVAL2 = 12.40001 / Value at ref. pixel on axis 2 CD1_1 = -1.5845078730445E-6 / Transformation matrix CD1_2 = -9.2521190078722E-5 / Transformation matrix CD2_1 = -9.2538856101295E-5 / Transformation matrix CD2_2 = 1.63254208024377E-6 / Transformation matrix LATITUDE= 28.762000 / Telescope latitude (degrees), +28:45:43.2 LONGITUD= 17.877639 / Telescope longitude (degrees), +17:52:39.5 HEIGHT = 2348 / [m] Height above sea level. SLATEL = 'LPO2.5 ' / Telescope name known to SLALIB TELESCOP= 'INT ' / 2.5m Isaac Newton Telescope TELSTAT = 'GUIDING ' / Telescope status: TRACKING or GUIDING normally. RA = ' 12:31:28.998' / RA (187.8708261822271200 degrees) DEC = '+12:24:00.04' / DEC ( 12.4000109941873690 degrees) EQUINOX = '2000. ' / Equinox of coordinates RADECSYS= 'FK5 ' / mean place new (after the 1976 IAU) system XAPNOM = 0.0000000000 / nominal aperture in x (0.00 arcsec) YAPNOM = 0.0000000000 / nominal aperture in y (0.00 arcsec) XAPOFF = 0.0000000000 / total aperture offset in x (0.00 arcsec) YAPOFF = 0.0000000000 / total aperture offset in y (0.00 arcsec) MJD-OBS = 51277.9941545 / Modified Julian Date of midtime of observation JD = 2451278.4941545 / Julian Date of midtime of observation STSTART = ' 11:44:54.8' / Local sidereal time at start of observation ST = ' 11:44:54.8' / Local sidereal time at start of observation AZIMUTH = 148.155505 / Mean azimuth of observation (degrees) ZD = 18.907242 / Mean zenith-distance of observation (degrees) FSTATION= 'PRIME ' / Focal station of observation PLATESCA= 6.856013 / [d/m] Platescale ( 24.68arcsec/mm) TELFOCUS= 0.045998 / Telescope focus (metres) ROTTRACK= T / Rotator always tracks sky on equatorial mount ROTSKYPA= 179.899970 / Turntable position angle (degrees) PARANGLE= 331.834373 / Parallactic angle at observation midpoint VIGNETTE= F / Can we see out? DOMEAZ = 147.089879 / Mean dome azimuth during observation AIRMASS = 1.056698 / Effective mean airmass TEMPTUBE= 9.005279 / Truss Temperature (degrees Celsius) CAT-NAME= 'VIRGO311' / Target input-catalogue name CAT-RA = ' 12:31:29.000' / Target Right Ascension CAT-DEC = '+12:24:00.00' / Target Declination CAT-EQUI= 'J2000.00' / Equinox of target coordinates CAT-EPOC= 2000.00 / Target epoch of proper motions PM-RA = 0.000000 / Target proper-motion RA (sec time/year) PM-DEC = 0.000000 / Target proper-motion (sec arc/year) PARALLAX= 0.000000 / Target Parallax (arcsec) RADVEL = 0.000000 / Target radial velocity (km/s) RATRACK = 0.000000 / Differential-tracking rate RA (arcsec/sec) DECTRACK= 0.000000 / Differential-tracking rate Dec (arcsec/sec) INSTRUME= 'WFC ' / INT wide-field camera is in use. WFFPOS = 1 / Position-number of deployed filter WFFBAND = 'B ' / Waveband of filter WFFPSYS = 'Kitt Peak ' / Photometric system of filter WFFID = '210 ' / Unique identifier of filter SECPPIX = 0.333 / Arcseconds per pixel UTSTART = '23:45:20.1 ' / UTC of start of observation ELAPSED = 749.340 / Length of observation including pauses DARKTIME= 749.340 / Length of observation including pauses EXPOSED = 749.340 / Length of observation excluding pauses EXPTIME = 749.340 / Length of observation excluding pauses DATE-OBS= '1999-04-09 ' / UTC date start of observation DETECTOR= 'MOS1 ' / Name of the detector PREFLASH= 0.000 / Length of Preflash in seconds BUNIT = 'ADU ' / Unit of the array of image data GAIN = 2.900 / Electrons per ADU READNOIS= 12.000 / Readout noise in electrons per pix CCDSPEED= 'TURBO ' / Readout speed of the CCD CCDNCHIP= 1 / Number of CCDs in this head CCDCHIP = 1 / Head number of this CCD CCDTYPE = 'EEV42 ' / Type of CCD used in this detector CCDXSIZE= 2148 / X Size in pixels of digitised frame CCDYSIZE= 4128 / Y Size in pixels of digitised frame CCDXIMSI= 2048 / X Size of useful imaging area CCDYIMSI= 4100 / Y Size of useful imaging area CCDXIMST= 50 / X Start pixel of useful imaging area CCDYIMST= 0 / Y Start pixel of useful imaging area CCDWMODE= F / True is windows are enabled CCDWXO1 = 0 / Offset of window 1 in X CCDWYO1 = 0 / Offset of window 1 in Y CCDWXS1 = 0 / Size of window 1 in X CCDWYS1 = 0 / Size of window 1 in Y CCDWXO2 = 0 / Offset of window 2 in X CCDWYO2 = 0 / Offset of window 2 in Y CCDWXS2 = 0 / Size of window 2 in X CCDWYS2 = 0 / Size of window 2 in Y CCDWXO3 = 0 / Offset of window 3 in X CCDWYO3 = 0 / Offset of window 3 in Y CCDWXS3 = 0 / Size of window 3 in X CCDWYS3 = 0 / Size of window 3 in Y CCDWXO4 = 0 / Offset of window 4 in X CCDWYO4 = 0 / Offset of window 4 in Y CCDWXS4 = 0 / Size of window 4 in X CCDWYS4 = 0 / Size of window 4 in Y CCDXPIXE= 1.350000e-05 / Size in meters of the pixels, in X CCDYPIXE= 1.350000e-05 / Size in meters of the pixels, in Y CCDXBIN = 1 / Binning factor, in X CCDYBIN = 1 / Binning factor, in Y CCDSTEMP= 153 / Required temperature of CCD, in Kevlin CCDATEMP= 154 / Actual temperature of CCD, in Kevlin CHIPNAME= 'A5506-4 ' / Name of CCD chip DASCHAN = 1 / DAS channel WINSEC1 = '[0:0,0:0] ' / Readout window 1 WINSEC2 = '[0:0,0:0] ' / Readout window 2 WINSEC3 = '[0:0,0:0] ' / Readout window 3 WINSEC4 = '[0:0,0:0] ' / Readout window 4 HISTORY This is the end of the header written by the ING observing-system. WAT0_001= 'system=image' WAT1_001= 'wtype=zpx axtype=ra projp1=6.0 projp2=100.0 projp3=2059.8' WAT2_001= 'wtype=zpx axtype=dec projp1=1.0 projp3=-1000.8' WFCWCS = 'Done ' IMDTOI = 'Done ' WCSDIM = 2 LTM1_1 = 1. LTM2_2 = 1. TRIM = 'May 18 13:12 Trim data section is [51:2098,1:4100]' BP-FLAG = 'May 18 13:12 Bad pixel file is /home/jrl/wfcred/stds/A5506-4.bad' BT-FLAG = 'May 18 13:12 Overscan section is [1:50,1:4128] with mean=1501.636' BI-FLAG = 'May 18 13:12 Zero level correction image is /data/cass03a/was/mframe' FF-FLAG = 'May 18 13:12 Flat field image is /data/cass03c/was/mframes/B_9269342' ILLUMCOR= 'May 18 13:12 Illumination image is tmpill.pl with scale=0.9314932' CCDSEC = '[51:2098,1:4100]' LTV1 = -50. CCDPROC = 'May 18 13:12 CCD processing done' XIRMS = 0.3418021 ETARMS = 0.2019652 WFCREDVR= 'v0.1 ' END