Example image header (GOODS/ISAAC release v1.5)
Goto Image Guidelines.
SIMPLE = T / Conforms to FITS standard
BITPIX = -32 / Number of bits per data pixel
NAXIS = 2 / Number of data axes
NAXIS1 = 1124 / Length of data axis 1
NAXIS2 = 1110 / Length of data axis 2
EXTEND = T / FITS extension may be present
VOPUB = 'ESO/VOS ' / VO Publisher
VOCREATE= 'ESO/ADP/GOODS' / VO Creator
VORELDAT= 'September 30 2005' / Release date
ORIGIN = 'GOODS ' / Project/dataset
VERSION = '1.5 ' / Project/dataset release number
PI-COI = 'C. Cesarsky' / Principle investigator(s)
TELESCOP= 'ESO-VLT-U1' / Telescope name
INSTRUME= 'ISAAC ' / Instrument name
OBJECT = 'GOODS_29' / Target name
RADECSYS= 'ICRS ' / Coordinate reference frame
EQUINOX = 2000.0 / Equinox of celestial coord. system
RA = 53.189402 / Right ascension of image center
DEC = -27.914719 / Declination of image center
TIMESYS = 'UTC ' / Time coordinate reference frame
DATE = '2005-07-15T18:47:06' / Date file was written
OBSSTART= '2004-02-02T03:28:10' / Start datetime of first exposure
OBSEND = '2004-09-01T10:02:40' / End datetime of last exposure
MJDSTART= 53037.144571 / MJD start of first exposure
MJDEND = 53249.418526 / MJD end of last exposure
FILTER = 'J ' / Filter name
EXPTIME = 1 / [sec] Exposure time
TEXPTIME= 9000 / [sec] Total integrated exposure time NCOMBINE= 75 / Number of combined exposures
GAIN = 40499.998 / [e-/ADU] Gain
CTYPE1 = 'RA---TAN' / Type of sky projection
CTYPE2 = 'DEC--TAN' / Type of sky projection
CRVAL1 = 53.122751 / [deg] X reference coordinate value
CRVAL2 = -27.805089 / [deg] Y reference coordinate value
CRPIX1 = 1976.5 / [pixel] X reference pixel
CRPIX2 = 3187.5 / [pixel] Y reference pixel
CD1_1 = -4.166667E-05 / [deg/pixel] Matrix rotation
CD1_2 = 0. / [deg/pixel] Matrix rotation
CD2_1 = 0. / [deg/pixel] Matrix rotation
CD2_2 = 4.166667E-05 / [deg/pixel] Matrix rotation PHOTSYS = 'AB ' / Photometric system
PHOTZP = 26.00 / Phot. zeropoint. mag = -2.5log(ADU)+ZP
PHOTZPER= 0.03 / Photometric zeropoint error
PROCSOFT= 'ESO/MVM ' / Processing software
BUNIT = 'ADU/s ' / Units of data value
SEEING = 0.64 / Spatial resolution
SEEINERR= 0.04 / Spatial resolution error
ASTRCAT = 'GSC2 ' / Astrometric reference catalogue
ASTRERR = '0.1 ' / RMS error of astrometric solution
END
Note: This header is based on an older version of our Guidelines and misses a small number of the currently defined keywords. It is intended to give an indication of what the Guidelines mean for the file headers only and not to serve as a template.
