SIMPLE = T / conforms to FITS standard BITPIX = 8 / array data type NAXIS = 0 / number of array dimensions EXTEND = T CREATOR = 'GBM_healpix.py 2.0' FILETYPE= 'IMAGE ' / Name for this type of FITS file TELESCOP= 'GLAST ' / Name of mission/satellite INSTRUME= 'GBM ' / Specific instrument used for observation OBSERVER= 'Meegan ' / GLAST Burst Monitor P.I. ORIGIN = 'GIOC ' / Name of organization making file DATE = '2021-06-20T12:04:01' / file creation date (YYYY-MM-DDThh:mm:ss UT) DATE-OBS= '2021-06-20T04:54:14' / Date of start of observation DATE-END= '2021-06-20T04:54:16' / Date of end of observation TIMESYS = 'TT ' / Time system used in time keywords TIMEUNIT= 's ' / Time since MJDREF, used in TSTART and TSTOP MJDREFI = 51910 / MJD of GLAST reference epoch, integer part MJDREFF = '7.428703703703703e-4' / MJD of GLAST reference epoch, fractional partTSTART = 645857659.919999 / [GLAST MET] Observation start time TSTOP = 645857661.327999 / [GLAST MET] Observation stop time FILENAME= 'healpix.645857659.fit' / Name of this file TRIGTIME= 645857659.919999 / Trigger time relative to MJDREF, double precisiOBJECT = '' / Burst name in standard format, yymmddfff RADECSYS= 'FK5 ' / Stellar reference frame EQUINOX = 2000.0 / Equinox for RA and Dec RA_OBJ = 283.4 / Calculated RA of burst DEC_OBJ = 43.41 / Calculated Dec of burst ERR_RAD = 6.94 / Calculated Location Error Radius THETA = 0.0 / [deg] Angle from spacecraft zenith PHI = 0.0 / [deg] Angle from spacecraft +X axis toward +Y LOC_SRC = 'Fermi, GBM' / Mission/Instrument providing the localization CLASS = 'GRB ' / Classification of trigger OBJ_CLAS= 'GRB ' / Classification of trigger GEO_LONG= 0.0 / [deg] Spacecraft geographical east longitude GEO_LAT = 0.0 / [deg] Spacecraft geographical north latitude RA_SCX = 0.0 / [deg] Pointing of spacecraft x-axis: RA DEC_SCX = 0.0 / [deg] Pointing of spacecraft x-axis: Dec RA_SCZ = 0.0 / [deg] Pointing of spacecraft z-axis: RA DEC_SCZ = 0.0 / [deg] Pointing of spacecraft z-axis: Dec LOC_VER = '' / Version string of localizing software LOC_ENRG= '(50, 300)' / Energy range used for localization LMETHOD = 'Interactive' / Method of localization CHECKSUM= 'DmTAGlS5DlSADlS5' / HDU checksum updated 2021-06-20T07:04:02 DATASUM = '0 ' / data unit checksum updated 2021-06-20T07:04:02 END XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / array data type NAXIS = 2 / number of array dimensions NAXIS1 = 8192 / length of dimension 1 NAXIS2 = 192 / length of dimension 2 PCOUNT = 0 / number of group parameters GCOUNT = 1 / number of groups TFIELDS = 2 / number of table fields TTYPE1 = 'PROBABILITY' / Differential probability per pixel TFORM1 = '1024E ' TTYPE2 = 'SIGNIFICANCE' / Integrated probability TFORM2 = '1024E ' PIXTYPE = 'HEALPIX ' / HEALPIX pixelisation ORDERING= 'NESTED ' / Pixel ordering scheme, either RING or NESTED COORDSYS= 'C ' / Ecliptic, Galactic or Celestial (equatorial) EXTNAME = 'HEALPIX ' / name of this binary table extension NSIDE = 128 / Resolution parameter of HEALPIX FIRSTPIX= 0 / First pixel # (0 based) LASTPIX = 196608 / Last pixel # (0 based) INDXSCHM= 'IMPLICIT' / Indexing: IMPLICIT or EXPLICIT OBJECT = '' / Sky coverage, either FULLSKY or PARTIAL SUN_RA = 88.69753179405826 / RA of Sun SUN_DEC = 23.43127648088363 / Dec of Sun GEO_RA = 44.50492320107368 / RA of Geocenter relative to Fermi GEO_DEC = -24.41372644964641 / Dec of Geocenter relative to Fermi GEO_RAD = 67.25622084210795 / Radius of the Earth N0_RA = 180.6319460219841 / RA pointing for detector n0 N0_DEC = 69.44126561362063 / Dec pointing for detector n0 N1_RA = 150.4481987948018 / RA pointing for detector n1 N1_DEC = 49.37050065424459 / Dec pointing for detector n1 N2_RA = 146.2781899188979 / RA pointing for detector n2 N2_DEC = 3.072518261415464 / Dec pointing for detector n2 N3_RA = 31.01275647754952 / RA pointing for detector n3 N3_DEC = 59.63722471568077 / Dec pointing for detector n3 N4_RA = 29.36413087468278 / RA pointing for detector n4 N4_DEC = 13.43671155824876 / Dec pointing for detector n4 N5_RA = 91.76428569037137 / RA pointing for detector n5 N5_DEC = 15.85167183985203 / Dec pointing for detector n5 N6_RA = 284.3976081203059 / RA pointing for detector n6 N6_DEC = 58.49334139370922 / Dec pointing for detector n6 N7_RA = 299.8903620181202 / RA pointing for detector n7 N7_DEC = 34.88037743143334 / Dec pointing for detector n7 N8_RA = 324.5749034172978 / RA pointing for detector n8 N8_DEC = -3.772857781248888 / Dec pointing for detector n8 N9_RA = 227.3963134441391 / RA pointing for detector n9 N9_DEC = 28.53986310413965 / Dec pointing for detector n9 NA_RA = 209.8245458414685 / RA pointing for detector na NA_DEC = -14.21941628763345 / Dec pointing for detector na NB_RA = 272.1808245511681 / RA pointing for detector nb NB_DEC = -15.91238129576121 / Dec pointing for detector nb B0_RA = 88.27829445525121 / RA pointing for detector b0 B0_DEC = 16.02838771371302 / Dec pointing for detector b0 B1_RA = 268.2782944552512 / RA pointing for detector b1 B1_DEC = -16.02838771371302 / Dec pointing for detector b1 CHECKSUM= 'm4aFp3V9m3aEm3U9' / HDU checksum updated 2021-06-20T07:04:02 DATASUM = '539772964' / data unit checksum updated 2021-06-20T07:04:02 COMMENT SCPOS: [-4488550. -4411644. 2856732.] COMMENT QUAT: [ 0.05897319 -0.13676577 0.6832691 0.71481509] END ? 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