The TH
FITS file¶
FITS file headers¶
FITS source: ./examples/cgbm_20160301_hxm1_hg.th
ASCII source: ./examples/cgbm_20160301_hxm1_hg_th_headers.txt
# HDU 0 in cgbm_20160301_hxm1_hg.th:
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 = 'cgbmgenth 0.3.0 (2018-04-23)' / software name-version-date
TELESCOP= 'CALET ' / observer name
INSTRUME= 'CGBM ' / instrument name
DETNAM = 'HXM1 ' / detector name
ORIGIN = 'JAXA, WCOC' / origin of fits file
DATE = '2018-04-27T18:13:07' / file creation datetime (UTC)
DATE-OBS= '2016-02-29T23:59:59' / Date of start of observation
DATE-END= '2016-03-01T23:59:59' / Date of end of observation
TSTART = '510105603.086938' / [CGBM MET] Observation start time
TSTOP = '510192003.651937' / [CGBM MET] Observation stop time
TIMEDEL = 0.125000 / ime resolution (bin size)
FILTER = 'none ' / The instrument filter in use (if any)
AREASCAL= 1.000000 / No special scaling of effective area by channel
BACKFILE= 'none ' / Name of corresponding background file (if any)
BACKSCAL= 1.000000 / No scaling of background
CORRFILE= 'none ' / Name of corresponding correction file (if any)
CORRSCAL= 1.000000 / Correction scaling file
RESPFILE= 'none ' / Name of corresponding RMF file (if any)
ANCRFILE= 'none ' / Name of corresponding ARF file (if any)
SYS_ERR = 0.000000 / No systematic errors
POISSERR= T / Assume Poisson Errors
GROUPING= 0 / No special grouping has been applied
HDUCLASS= 'OGIP ' / Format conforms to OGIP standard
HDUCLAS1= 'SPECTRUM' / PHA dataset (OGIP memo OGIP-92-007)
HDUCLAS2= 'TOTAL ' / Indicates gross data (source + background)
HDUCLAS3= 'COUNT ' / Indicates data stored as counts
HDUCLAS4= 'TYPEII ' / Indicates PHA Type II file format
HDUVERS = '1.2.1 ' / Version of HDUCLAS1 format in use
CHANTYPE= 'PHA ' / No corrections have been applied
DETCHANS= 4 / Total number of detector PHA channels
CHECKSUM= 'cgomeglkcglkcglk' / HDU checksum : 2018-04-27T18:13:07
DATASUM = ' 0' / data unit checksum : 2018-04-27T18:13:07
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 cgbmgenth at 2018-04-27T18:12:58
HISTORY
HISTORY - gbm-phfile: /tmp/cgbmarch_mkth.pyJZ_lVz/gbm_th_merged.fits
HISTORY - com-perfile: /tmp/cgbmarch_mkth.pyJZ_lVz/com_per_merged.fits
HISTORY - timlist: DEF
HISTORY - procnum: 1
HISTORY - date: 2016-03-01
HISTORY
HISTORY END cgbmgenth
# HDU 1 in cgbm_20160301_hxm1_hg.th:
XTENSION= 'BINTABLE' / type of extension
BITPIX = 8 / number of bits per data element
NAXIS = 2 / number of data axes
NAXIS1 = 33 / width of table in bytes
NAXIS2 = 690432 / number of rows in table
PCOUNT = 0 / length of reserved area and heap
GCOUNT = 1 / number of groups
TFIELDS = 7 / number of fields in each row
EXTNAME = 'SPECTRUM' / name of this HDU
EXTVER = 0 / version of the extension
TTYPE1 = 'TIME ' / field name
TUNIT1 = 's ' / Seconds since MJDREF; end times of bins
TFORM1 = '1D ' / data format : 8-byte REAL
TTYPE2 = 'MDCTIME ' / field name
TUNIT2 = 's ' / Mission Data Controller time; end times of bins
TFORM2 = '1D ' / data format : 8-byte REAL
TTYPE3 = 'COUNTS ' / field name
TUNIT3 = 'count ' / physical unit
TFORM3 = '4I ' / data format : 2-byte INTEGER
TZERO3 = 32768 / zero point in scaling equation
TTYPE4 = 'EXPOSURE' / field name
TFORM4 = '1E ' / data format : 4-byte REAL
TTYPE5 = 'SEQNUM ' / field name
TFORM5 = '1I ' / data format : 2-byte INTEGER
TZERO5 = 32768 / zero point in scaling equation
TTYPE6 = 'SPEC_NUM' / field name
TFORM6 = '1I ' / data format : 2-byte INTEGER
TZERO6 = 32768 / zero point in scaling equation
TTYPE7 = 'QUALITY ' / field name
TFORM7 = '1B ' / data format : BYTE
HDUCLASS= 'OGIP ' / Format conforms to OGIP standard
HDUCLAS1= 'SPECTRUM' / PHA dataset (OGIP memo OGIP-92-007)
CREATOR = 'cgbmgenth 0.3.0 (2018-04-23)' / software name-version-date
TELESCOP= 'CALET ' / observer name
INSTRUME= 'CGBM ' / instrument name
DETNAM = 'HXM1 ' / detector name
ORIGIN = 'JAXA, WCOC' / origin of fits file
DATE = '2018-04-27T18:13:07' / file creation datetime (UTC)
DATE-OBS= '2016-02-29T23:59:59' / Date of start of observation
DATE-END= '2016-03-01T23:59:59' / Date of end of observation
TSTART = '510105603.086938' / [CGBM MET] Observation start time
TSTOP = '510192003.651937' / [CGBM MET] Observation stop time
TIMEDEL = 0.125000 / ime resolution (bin size)
FILTER = 'none ' / The instrument filter in use (if any)
AREASCAL= 1.000000 / No special scaling of effective area by channel
BACKFILE= 'none ' / Name of corresponding background file (if any)
BACKSCAL= 1.000000 / No scaling of background
CORRFILE= 'none ' / Name of corresponding correction file (if any)
CORRSCAL= 1.000000 / Correction scaling file
RESPFILE= 'none ' / Name of corresponding RMF file (if any)
ANCRFILE= 'none ' / Name of corresponding ARF file (if any)
SYS_ERR = 0.000000 / No systematic errors
POISSERR= T / Assume Poisson Errors
GROUPING= 0 / No special grouping has been applied
HDUCLAS2= 'TOTAL ' / Indicates gross data (source + background)
HDUCLAS3= 'COUNT ' / Indicates data stored as counts
HDUCLAS4= 'TYPEII ' / Indicates PHA Type II file format
HDUVERS = '1.2.1 ' / Version of HDUCLAS1 format in use
CHANTYPE= 'PHA ' / No corrections have been applied
DETCHANS= 4 / Total number of detector PHA channels
CHECKSUM= 'aJgAcIe6aIeAaIe3' / HDU checksum : 2018-04-27T18:13:07
DATASUM = '2181058005' / data unit checksum : 2018-04-27T18:13:07
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 cgbmgenth at 2018-04-27T18:12:58
HISTORY
HISTORY - gbm-phfile: /tmp/cgbmarch_mkth.pyJZ_lVz/gbm_th_merged.fits
HISTORY - com-perfile: /tmp/cgbmarch_mkth.pyJZ_lVz/com_per_merged.fits
HISTORY - timlist: DEF
HISTORY - procnum: 1
HISTORY - date: 2016-03-01
HISTORY
HISTORY END cgbmgenth
# HDU 2 in cgbm_20160301_hxm1_hg.th:
XTENSION= 'BINTABLE' / type of extension
BITPIX = 8 / number of bits per data element
NAXIS = 2 / number of data axes
NAXIS1 = 24 / width of table in bytes
NAXIS2 = 690432 / number of rows in table
PCOUNT = 0 / length of reserved area and heap
GCOUNT = 1 / number of groups
TFIELDS = 6 / number of fields in each row
EXTNAME = 'DEADTIME' / name of this HDU
EXTVER = 0 / version of the extension
TTYPE1 = 'TIME ' / field name
TUNIT1 = 's ' / Seconds since MJDREF; end times of bins
TFORM1 = '1D ' / data format : 8-byte REAL
TTYPE2 = 'MDCTIME ' / field name
TUNIT2 = 's ' / Mission Data Controller time; end times of bins
TFORM2 = '1D ' / data format : 8-byte REAL
TTYPE3 = 'DT ' / field name
TUNIT3 = 'us ' / physical unit
TFORM3 = '1I ' / data format : 2-byte INTEGER
TZERO3 = 32768 / zero point in scaling equation
TTYPE4 = 'LD ' / field name
TUNIT4 = 'count ' / physical unit
TFORM4 = '1I ' / data format : 2-byte INTEGER
TZERO4 = 32768 / zero point in scaling equation
TTYPE5 = 'UD ' / field name
TUNIT5 = 'count ' / physical unit
TFORM5 = '1I ' / data format : 2-byte INTEGER
TZERO5 = 32768 / zero point in scaling equation
TTYPE6 = 'SPEC_NUM' / field name
TFORM6 = '1I ' / data format : 2-byte INTEGER
TZERO6 = 32768 / zero point in scaling equation
CREATOR = 'cgbmgenth 0.3.0 (2018-04-23)' / software name-version-date
TELESCOP= 'CALET ' / observer name
INSTRUME= 'CGBM ' / instrument name
DETNAM = 'HXM1 ' / detector name
ORIGIN = 'JAXA, WCOC' / origin of fits file
DATE = '2018-04-27T18:13:07' / file creation datetime (UTC)
DATE-OBS= '2016-02-29T23:59:59' / Date of start of observation
DATE-END= '2016-03-01T23:59:59' / Date of end of observation
TSTART = '510105603.086938' / [CGBM MET] Observation start time
TSTOP = '510192003.651937' / [CGBM MET] Observation stop time
TIMEDEL = 0.125000 / ime resolution (bin size)
FILTER = 'none ' / The instrument filter in use (if any)
AREASCAL= 1.000000 / No special scaling of effective area by channel
BACKFILE= 'none ' / Name of corresponding background file (if any)
BACKSCAL= 1.000000 / No scaling of background
CORRFILE= 'none ' / Name of corresponding correction file (if any)
CORRSCAL= 1.000000 / Correction scaling file
RESPFILE= 'none ' / Name of corresponding RMF file (if any)
ANCRFILE= 'none ' / Name of corresponding ARF file (if any)
SYS_ERR = 0.000000 / No systematic errors
POISSERR= T / Assume Poisson Errors
GROUPING= 0 / No special grouping has been applied
HDUCLASS= 'OGIP ' / Format conforms to OGIP standard
HDUCLAS1= 'SPECTRUM' / PHA dataset (OGIP memo OGIP-92-007)
HDUCLAS2= 'TOTAL ' / Indicates gross data (source + background)
HDUCLAS3= 'COUNT ' / Indicates data stored as counts
HDUCLAS4= 'TYPEII ' / Indicates PHA Type II file format
HDUVERS = '1.2.1 ' / Version of HDUCLAS1 format in use
CHANTYPE= 'PHA ' / No corrections have been applied
DETCHANS= 4 / Total number of detector PHA channels
CHECKSUM= 'fXBXiU9UfUAUfU7U' / HDU checksum : 2018-04-27T18:13:08
DATASUM = '1942101357' / data unit checksum : 2018-04-27T18:13:08
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 cgbmgenth at 2018-04-27T18:12:58
HISTORY
HISTORY - gbm-phfile: /tmp/cgbmarch_mkth.pyJZ_lVz/gbm_th_merged.fits
HISTORY - com-perfile: /tmp/cgbmarch_mkth.pyJZ_lVz/com_per_merged.fits
HISTORY - timlist: DEF
HISTORY - procnum: 1
HISTORY - date: 2016-03-01
HISTORY
HISTORY END cgbmgenth
# HDU 3 in cgbm_20160301_hxm1_hg.th:
XTENSION= 'BINTABLE' / binary table extension
BITPIX = 8 / array data type
NAXIS = 2 / number of array dimensions
NAXIS1 = 10 / length of dimension 1
NAXIS2 = 4 / length of dimension 2
PCOUNT = 0 / number of group parameters
GCOUNT = 1 / number of groups
TFIELDS = 3 / number of table fields
TTYPE1 = 'CHANNEL '
TFORM1 = 'I '
TTYPE2 = 'E_MIN '
TFORM2 = 'E '
TUNIT2 = 'keV '
TTYPE3 = 'E_MAX '
TFORM3 = 'E '
TUNIT3 = 'keV '
TELESCOP= 'CALET ' / observer name
INSTRUME= 'CGBM ' / instrument name
DETNAM = 'HXM1 ' / detector name
GAIN = 'HG '
ORIGIN = 'JAXA, WCOC' / origin of fits file
EXTNAME = 'EBOUNDS '
PI2ENE = 0.024
FILTER = 'none ' / The instrument filter in use (if any)
TIMESYS = 'TT ' / Time system used to define time
TIMEUNIT= 's ' / unit for time keyword
TIMEREFI= 51544
TIMEREFF= 0.00074287037037037
HDUCLASS= 'OGIP ' / Format conforms to OGIP standard
HDUCLAS1= 'SPECTRUM' / PHA dataset (OGIP memo OGIP-92-007)
HDUCLAS2= 'TOTAL ' / Indicates gross data (source + background)
HDUVERS = '1.2.1 ' / Version of HDUCLAS1 format in use
CHANTYPE= 'PHA ' / No corrections have been applied
EXTVAR = 1
TLMIN1 = 0
TLMAX1 = 4
TLMIN2 = 0.0
TLMAX2 = 96.744
TLMIN3 = 0
TLMAX3 = 96.744
CREATOR = 'cgbmgenth 0.3.0 (2018-04-23)' / software name-version-date
DATE = '2018-04-27T18:13:07' / file creation datetime (UTC)
DATE-OBS= '2016-02-29T23:59:59' / Date of start of observation
DATE-END= '2016-03-01T23:59:59' / Date of end of observation
TSTART = '510105603.086938' / [CGBM MET] Observation start time
TSTOP = '510192003.651937' / [CGBM MET] Observation stop time
TIMEDEL = 0.125000 / ime resolution (bin size)
AREASCAL= 1.000000 / No special scaling of effective area by channel
BACKFILE= 'none ' / Name of corresponding background file (if any)
BACKSCAL= 1.000000 / No scaling of background
CORRFILE= 'none ' / Name of corresponding correction file (if any)
CORRSCAL= 1.000000 / Correction scaling file
RESPFILE= 'none ' / Name of corresponding RMF file (if any)
ANCRFILE= 'none ' / Name of corresponding ARF file (if any)
SYS_ERR = 0.000000 / No systematic errors
POISSERR= T / Assume Poisson Errors
GROUPING= 0 / No special grouping has been applied
HDUCLAS3= 'COUNT ' / Indicates data stored as counts
HDUCLAS4= 'TYPEII ' / Indicates PHA Type II file format
DETCHANS= 4 / Total number of detector PHA channels
CHECKSUM= 'eoZlenWkenWkenWk' / HDU checksum : 2018-04-27T18:13:08
DATASUM = '1266397597' / data unit checksum : 2018-04-27T18:13:08
MJDREFI = 51544 / MJD reference day
MJDREFF = 0.00074287037037037 / MJD reference(fraction of day)
TIMEREF = 'LOCAL ' / reference time
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 cgbmgenth at 2018-04-27T18:12:58
HISTORY
HISTORY - gbm-phfile: /tmp/cgbmarch_mkth.pyJZ_lVz/gbm_th_merged.fits
HISTORY - com-perfile: /tmp/cgbmarch_mkth.pyJZ_lVz/com_per_merged.fits
HISTORY - timlist: DEF
HISTORY - procnum: 1
HISTORY - date: 2016-03-01
HISTORY
HISTORY END cgbmgenth