The orb FITS file¶
FITS file headers¶
FITS source: ./examples/cgbm_20160301.orb
ASCII source: ./examples/cgbm_20160301_orb_headers.txt
# HDU 0 in cgbm_20160301.orb:
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 = 'cgbmgenorb version 0.1.1 (2018-03-12)' / software name-version-date
TELESCOP= 'CALET ' / observer name
INSTRUME= 'CGBM ' / instrument name
ORIGIN = 'JAXA, WCOC' / origin of fits file
DATE = '2018-04-27T18:12:50' / 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= 'JmD2Jj92JjA2Jj92' / HDU checksum : 2018-04-27T18:12:50
DATASUM = ' 0' / data unit checksum : 2018-04-27T18:12:50
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 cgbmgenorb at 2018-04-27T18:12:49
HISTORY
HISTORY - previous:
HISTORY /local/data/cgbm2/cgbmL3.new/obs/2016/20160229/auxil/cgbm_20160229.orb
HISTORY - infile: /tmp/cgbmarch_mkorb.pyys7Bea/com_aux_20160301.fits
HISTORY - procnum: 1
HISTORY
HISTORY END cgbmgenorb
# HDU 1 in cgbm_20160301.orb:
XTENSION= 'BINTABLE' / type of extension
BITPIX = 8 / number of bits per data element
NAXIS = 2 / number of data axes
NAXIS1 = 57 / 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 = 8 / number of fields in each row
EXTNAME = 'ORBIT ' / name of this HDU
EXTVER = 0 / version of the extension
TTYPE1 = 'TIME ' / field name
TUNIT1 = 'sec ' / physical unit
TFORM1 = '1D ' / data format : 8-byte REAL
TTYPE2 = 'RADIUS ' / field name
TUNIT2 = 'km ' / physical unit
TFORM2 = '1D ' / data format : 8-byte REAL
TTYPE3 = 'LONGITUDE' / field name
TUNIT3 = 'degree ' / physical unit
TFORM3 = '1D ' / data format : 8-byte REAL
TTYPE4 = 'LATITUDE' / field name
TUNIT4 = 'degree ' / physical unit
TFORM4 = '1D ' / data format : 8-byte REAL
TTYPE5 = 'VELOCITY_X' / field name
TUNIT5 = 'km/sec ' / physical unit
TFORM5 = '1D ' / data format : 8-byte REAL
TTYPE6 = 'VELOCITY_Y' / field name
TUNIT6 = 'km/sec ' / physical unit
TFORM6 = '1D ' / data format : 8-byte REAL
TTYPE7 = 'VELOCITY_Z' / field name
TUNIT7 = 'km/sec ' / physical unit
TFORM7 = '1D ' / data format : 8-byte REAL
TTYPE8 = 'STATUS ' / field name
TFORM8 = '1B ' / data format : BYTE
CREATOR = 'cgbmgenorb version 0.1.1 (2018-03-12)' / software name-version-date
TELESCOP= 'CALET ' / observer name
INSTRUME= 'CGBM ' / instrument name
ORIGIN = 'JAXA, WCOC' / origin of fits file
DATE = '2018-04-27T18:12:50' / 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= 'JIXgMIUgJIUgJIUg' / HDU checksum : 2018-04-27T18:12:50
DATASUM = '2306875719' / data unit checksum : 2018-04-27T18:12:50
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 cgbmgenorb at 2018-04-27T18:12:49
HISTORY
HISTORY - previous:
HISTORY /local/data/cgbm2/cgbmL3.new/obs/2016/20160229/auxil/cgbm_20160229.orb
HISTORY - infile: /tmp/cgbmarch_mkorb.pyys7Bea/com_aux_20160301.fits
HISTORY - procnum: 1
HISTORY
HISTORY END cgbmgenorb