The iat FITS file¶
FITS file headers¶
FITS source: ./examples/cgbm_20160301.iat
ASCII source: ./examples/cgbm_20160301_iat_headers.txt
# HDU 0 in cgbm_20160301.iat:
SIMPLE = T / conformity to FITS standard
BITPIX = 8 / number of bits per data pixel
NAXIS = 0 / number of data axes
EXTEND = T / possibility of presence of extensions
CREATOR = 'cgbmgeniat version 0.1.0 (2017-02-14)' / software name-version-date
TELESCOP= 'CALET ' / observer name
INSTRUME= 'CGBM ' / instrument name
ORIGIN = 'JAXA, WCOC' / origin of fits file
DATE = '2018-04-27T18:12:48' / file creation datetime (UTC)
DATE-OBS= '2016-03-01T00:04:14' / Date of start of observation
DATE-END= '2016-03-02T00:04:16' / Date of end of observation
TSTART = 510105858.000000 / [CGBM MET] Observation start time
TSTOP = 510192260.000000 / [CGBM MET] Observation stop time
CHECKSUM= 'D7A8G447D4A7D437' / HDU checksum : 2018-04-27T18:12:48
DATASUM = ' 0' / data unit checksum : 2018-04-27T18:12:48
MJDREFI = 51544 / MJD reference day
MJDREFF = 0.00074287037037037 / MJD reference(fraction of day)
TIMEREF = 'LOCAL ' / reference time
TIMESYS = 'TT ' / Time system used to define time
TIMEUNIT= 's ' / unit for time keyword
TIMEPIXR= 1 / Time stamps refer to end of each bin
PROCVER = '1.1.1.1 ' / Major.Minor.Tool.CALDB
CALDBVER= 'cgbm20180214' / CALDB version
L1FLAG = 0 / Level 1 data flag (0:tmpL1/1: official L1)
SEQPNUM = 1 / sequence in procver
HISTORY START cgbmgeniat at 2018-04-27T18:12:48
HISTORY
HISTORY - previous:
HISTORY /local/data/cgbm2/cgbmL3.new/obs/2016/20160229/auxil/cgbm_20160229.iat
HISTORY - infile: /tmp/cgbmarch_mkiat.pyzM7v4p/com_aux_20160301.fits
HISTORY - procnum: 1
HISTORY
HISTORY END cgbmgeniat
# HDU 1 in cgbm_20160301.iat:
XTENSION= 'BINTABLE' / type of extension
BITPIX = 8 / number of bits per data element
NAXIS = 2 / number of data axes
NAXIS1 = 48 / width of table in bytes
NAXIS2 = 86398 / number of rows in table
PCOUNT = 0 / length of reserved area and heap
GCOUNT = 1 / number of groups
TFIELDS = 3 / number of fields in each row
EXTNAME = 'ATTITUDE' / name of this HDU
EXTVER = 0 / version of the extension
TTYPE1 = 'TIME ' / field name
TUNIT1 = 's ' / physical unit
TFORM1 = '1D ' / data format : 8-byte REAL
TTYPE2 = 'QPARAM ' / field name
TUNIT2 = 's ' / physical unit
TFORM2 = '4D ' / data format : 8-byte REAL
TTYPE3 = 'STATUS ' / field name
TUNIT3 = 's ' / physical unit
TFORM3 = '2J ' / data format : 4-byte INTEGER
CREATOR = 'cgbmgeniat version 0.1.0 (2017-02-14)' / software name-version-date
TELESCOP= 'CALET ' / observer name
INSTRUME= 'CGBM ' / instrument name
ORIGIN = 'JAXA, WCOC' / origin of fits file
DATE = '2018-04-27T18:12:48' / file creation datetime (UTC)
DATE-OBS= '2016-03-01T00:04:14' / Date of start of observation
DATE-END= '2016-03-02T00:04:16' / Date of end of observation
TSTART = 510105858.000000 / [CGBM MET] Observation start time
TSTOP = 510192260.000000 / [CGBM MET] Observation stop time
CHECKSUM= '5V6I6U5G5U5G5U5G' / HDU checksum : 2018-04-27T18:12:48
DATASUM = '2311231318' / data unit checksum : 2018-04-27T18:12:48
MJDREFI = 51544 / MJD reference day
MJDREFF = 0.00074287037037037 / MJD reference(fraction of day)
TIMEREF = 'LOCAL ' / reference time
TIMESYS = 'TT ' / Time system used to define time
TIMEUNIT= 's ' / unit for time keyword
TIMEPIXR= 1 / Time stamps refer to end of each bin
PROCVER = '1.1.1.1 ' / Major.Minor.Tool.CALDB
CALDBVER= 'cgbm20180214' / CALDB version
L1FLAG = 0 / Level 1 data flag (0:tmpL1/1: official L1)
SEQPNUM = 1 / sequence in procver
HISTORY START cgbmgeniat at 2018-04-27T18:12:48
HISTORY
HISTORY - previous:
HISTORY /local/data/cgbm2/cgbmL3.new/obs/2016/20160229/auxil/cgbm_20160229.iat
HISTORY - infile: /tmp/cgbmarch_mkiat.pyzM7v4p/com_aux_20160301.fits
HISTORY - procnum: 1
HISTORY
HISTORY END cgbmgeniat