--- header unit 0: primary ---
SIMPLE = T / file does conform to FITS standard
BITPIX = 8 / number of bits per data pixel
NAXIS = 0 / number of data axes
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
MESGNAME = 'BAT_ALERT' / Name of the message
TELESCOP = 'SWIFT' / Telescope (mission) name
INSTRUME = 'BAT' / Instrument name
OBS_ID = '01233121000' / Observation ID
TARG_ID = '1233121' / Target ID
SEG_NUM = '0' / Segment number
CREATOR = 'TDRSS2FITS V3.22' / Program that created this FITS file
ORIGIN = 'GSFC' / Source of FITS file
TLM2FITS = 'V3.22' / Telemetry converter version number
TIMESYS = 'TT' / Time system
MJDREFI = 51910. / Reference MJD Integer part
MJDREFF = 0.00074287037 / Reference MJD fractional
TIMEUNIT = 's' / Time unit for the time header keywords
TIERRELA = 1.0E-08 / [s/s] Estimated relative clock rate error
TIERABSO = 1. / [s] Estimated absolute clock offset error
CLOCKAPP = F / If clock correction are applied (F/T)
TIMEREF = 'LOCAL' / Time reference (barycenter/local)
TASSIGN = 'SATELLITE' / Time assigned by clock
DATE = '2024-06-13T06:09:11' / file creation date (YYYY-MM-DDThh:mm:ss UT)
TRIGGER = 1233121 / Trigger Number
TRIGSEC = 739118276 / TRIGger SEConds
TRIGSUBS = 40000 / [2*10**(-5) s] TRIGger SUBSeconds
TRIGTIME = 739118276.8 / [s] MET TRIGger Time = TRIGSEC+TRIGSUBS*2e-5
DATETRIG = '2024-06-03T14:37:23.2' / UTC date of the trigger
UTCFINIT = -33.56444 / UTCF at TSTART
UTCCTIME = -33.56444 / [s] UTC Correction Time
UTCCSEC = -34 / UTC Correction Seconds
UTCCSUBS = 21778 / [2*10**(-5) s] UTC Correction Subseconds
TRIGSATF = 10104 / Trigger table index. Highest signif. satisfied
RATESCOR = 49 / Score of the rate trigger
RATESNR = 7. / Sqrt of RATESCOR. Rate trigger significance
PKTTIME = 739118277.1829 / [s] ccsds PacKeT Time=PKTSEC+PKTSUBS*2e-5
PKTSEC = 739118277 / ccsds PacKeT SEConds
PKTSUBS = 9145 / [2*10**(-5) s] ccsds PacKeT SUBSeconds
APID = 341 / Application Process Identifier
CHECKSUM = 'OAPaP7OWOAOaO5OU' / HDU checksum updated 2024-06-13T06:09:11
DATASUM = '         0' / data unit checksum updated 2024-06-13T06:09:11
DATE-OBS = '2024-06-03T14:37:18'
OBJECT = 'NON-BURST'
XOBS_ID = 00015858085 / Generating sequence