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Sample Header from An Atlas of Recalibrated HST FOS Spectra of Active Galactic Nuclei and Quasars
SIMPLE = T /
BITPIX = 8 /
NAXIS = 0 / Number of axes
EXTEND = T / FITS dataset may contain extensions
DATE = '2004-03-05T20:19:05' / Date this file was written
CHECKSUM= '9S45IQ249Q24GQ24' / HDU checksum updated 2004-03-05T20:19:05
DATASUM = '0000000000' / Data unit checksum
ORIGIN = 'SAO ' / Smithsonian Astrophysical Observatory
MISSION = 'HST ' / Hubble Space Telescope
TELESCOP= 'HST ' / Hubble Space Telescope
INSTRUME= 'FOS ' / Faint Object Spectrograph
RADECSYS= 'FK5 ' / Astrometric reference frame
EQUINOX = 2000.0 / Equinox of the reference frame
DATE-OBS= '1991-11-02T22:43:56' / UTC at start of first observation
RA_PNT = 219.1907185021 / Mean right ascension of the aperture (deg)
DEC_PNT = 63.6105754123 / Mean declination of the aperture (deg)
PA_PNT = 99.7048000000 / Mean position angle of the aperture (deg)
OBJECT = '1435+638' / Object name
END
XTENSION= 'BINTABLE' / Binary table extension
BITPIX = 8 / 8-bit bytes
NAXIS = 2 / 2-dimensional binary table
NAXIS1 = 13 / Width of table in bytes
NAXIS2 = 2064 / Number of rows in table
PCOUNT = 0 / Size of special data area
GCOUNT = 1 / One data group (required keyword)
TFIELDS = 4 / Number of fields in each row
EXTNAME = 'SPECTRUM' / Name of this binary table extension
DATE = '2004-03-05T20:19:05' / Date this file was written
CHECKSUM= 'acXTbZWQaaWQaYWQ' / HDU checksum updated 2004-03-05T20:19:05
DATASUM = '3880183790' / data unit checksum updated 2004-03-05T20:19:05
ORIGIN = 'SAO ' / Smithsonian Astrophysical Observatory
MISSION = 'HST ' / Hubble Space Telescope
TELESCOP= 'HST ' / Hubble Space Telescope
INSTRUME= 'FOS ' / Faint Object Spectrograph
RADECSYS= 'FK5 ' / Astrometric reference frame
EQUINOX = 2000.0 / Equinox of the reference frame
DATE-OBS= '1991-11-02T22:43:56' / UTC at start of first observation
RA_PNT = 219.1907185021 / Mean right ascension of the aperture (deg)
DEC_PNT = 63.6105754123 / Mean declination of the aperture (deg)
PA_PNT = 99.7048000000 / Mean position angle of the aperture (deg)
OBJECT = '1435+638' / Object name
/ FOS Instrument Configuration #01
ROOTNM01= 'Y0O95103T' / Rootname of the observation set
GRNDMD01= 'RAPID-READOUT' / Ground software mode
DETECT01= 'AMBER ' / Detector in use: AMBER, BLUE
APERID01= 'C-2 ' / Aperture id
POLID01 = 'C ' / Polarizer id
POLANG01= 0.0 / Initial angular position of polarizer
FGWAID01= 'H27 ' / FGWA id
FCHNL01 = 0 / First channel
NCHNLS01= 512 / Number of channels
OVRSCN01= 5 / Overscan number
NXSTPS01= 4 / Number of x steps
GIMPEN01= F / Onboard GIMP correction enabled (T/F)
/ FOS Aperture Information #01
RA_PNT01= 219.1907185021 / Right ascension of the aperture (deg)
DECPNT01= 63.6105754123 / Declination of the aperture (deg)
PA_PNT01= 99.7048000000 / Position angle of the aperture (deg)
/ FOS Exposure Information #01
SUNANG01= 78.5069300000 / Angle between sun and V1 axis (deg)
LUNANG01= 74.4320400000 / Angle between moon and V1 axis (deg)
DATOBS01= '1991-11-02T22:43:56' / UTC at start of observation
TSTART01= 48562.94673574 / Exposure start time (Modified Julian Date)
TSTOP01 = 48562.96728135 / Exposure end time (Modified Julian Date)
TELAPS01= 1591.4390000000 / Exposure duration (seconds)--calculated
/ FOS Instrument Configuration #02
ROOTNM02= 'Y0O95104T' / Rootname of the observation set
GRNDMD02= 'RAPID-READOUT' / Ground software mode
DETECT02= 'AMBER ' / Detector in use: AMBER, BLUE
APERID02= 'C-2 ' / Aperture id
POLID02 = 'C ' / Polarizer id
POLANG02= 0.0 / Initial angular position of polarizer
FGWAID02= 'H27 ' / FGWA id
FCHNL02 = 0 / First channel
NCHNLS02= 512 / Number of channels
OVRSCN02= 5 / Overscan number
NXSTPS02= 4 / Number of x steps
GIMPEN02= F / Onboard GIMP correction enabled (T/F)
/ FOS Aperture Information #02
RA_PNT02= 219.1907185021 / Right ascension of the aperture (deg)
DECPNT02= 63.6105754123 / Declination of the aperture (deg)
PA_PNT02= 99.7048000000 / Position angle of the aperture (deg)
/ FOS Exposure Information #02
SUNANG02= 78.5272400000 / Angle between sun and V1 axis (deg)
LUNANG02= 74.5311300000 / Angle between moon and V1 axis (deg)
DATOBS02= '1991-11-03T00:19:50' / UTC at start of observation
TSTART02= 48563.01333296 / Exposure start time (Modified Julian Date)
TSTOP02 = 48563.03387857 / Exposure end time (Modified Julian Date)
TELAPS02= 1591.4390000000 / Exposure duration (seconds)--calculated
/ FITS Table Definition
TTYPE1 = 'WAVELENGTH ' / Wavelength
TFORM1 = 'E ' / Format of field: single precision real
TUNIT1 = 'angstrom' / [angstrom] Physical unit
TDISP1 = 'F8.3 ' / Suggested display format of field
TTYPE2 = 'FLUX ' / Flux
TFORM2 = 'E ' / Format of field: single precision real
TUNIT2 = 'erg /s /cm**2 /angstrom' / [erg /s /cm**2 /angstrom] Physical unit
TDISP2 = 'E12.5 ' / Suggested display format of field
TTYPE3 = 'ERROR ' / Flux error estimate
TFORM3 = 'E ' / Format of field: single precision real
TUNIT3 = 'erg /s /cm**2 /angstrom' / [erg /s /cm**2 /angstrom] Physical unit
TDISP3 = 'E12.5 ' / Suggested display format of field
TTYPE4 = 'DQ ' / Data quality
TFORM4 = 'B ' / Format of field: unsigned byte
TDISP4 = 'I3 ' / Suggested display format of field
HISTORY ACCUMULATE SPECTRUM ROOTNAME: Y0O95103T
HISTORY SCALE ROOTNAME: Y0O95103T 1.00000
HISTORY OFFSET ROOTNAME: Y0O95103T 0.00000
HISTORY ACCUMULATE SPECTRUM ROOTNAME: Y0O95104T
HISTORY SCALE ROOTNAME: Y0O95104T 1.00000
HISTORY OFFSET ROOTNAME: Y0O95104T 0.00000
END
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