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 = '2021-12-19T15:25:01' / file creation date (YYYY-MM-DDThh:mm:ss UT) DATE-OBS= '2021-12-19T12:18:42' / Date of start of observation DATE-END= '2021-12-19T12:18:42' / 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 = 661609127.735999 / [GLAST MET] Observation start time TSTOP = 661609127.799999 / [GLAST MET] Observation stop time FILENAME= 'healpix.661609127.fit' / Name of this file TRIGTIME= 661609127.735999 / 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 = 140.7 / Calculated RA of burst DEC_OBJ = 13.01 / Calculated Dec of burst ERR_RAD = 25.84 / 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= 'BmXGDjU9BjUGBjU9' / HDU checksum updated 2021-12-19T09:25:01 DATASUM = '0 ' / data unit checksum updated 2021-12-19T09:25:01 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 = 267.2816652344181 / RA of Sun SUN_DEC = -23.41288998166774 / Dec of Sun GEO_RA = 116.4277972751421 / RA of Geocenter relative to Fermi GEO_DEC = 7.982486992358258 / Dec of Geocenter relative to Fermi GEO_RAD = 67.39902355775182 / Radius of the Earth N0_RA = 287.3311606010853 / RA pointing for detector n0 N0_DEC = 20.49857370915932 / Dec pointing for detector n0 N1_RA = 300.0851570769503 / RA pointing for detector n1 N1_DEC = -0.8513518041903422 / Dec pointing for detector n1 N2_RA = 338.7351494004903 / RA pointing for detector n2 N2_DEC = -29.15607164163085 / Dec pointing for detector n2 N3_RA = 239.7771083059771 / RA pointing for detector n3 N3_DEC = 3.945731422331664 / Dec pointing for detector n3 N4_RA = 200.4194319084548 / RA pointing for detector n4 N4_DEC = -21.58958711970945 / Dec pointing for detector n4 N5_RA = 269.1753988147042 / RA pointing for detector n5 N5_DEC = -52.59835793466246 / Dec pointing for detector n5 N6_RA = 252.7366354346491 / RA pointing for detector n6 N6_DEC = 51.41739534084945 / Dec pointing for detector n6 N7_RA = 208.5794273210142 / RA pointing for detector n7 N7_DEC = 60.07840703291568 / Dec pointing for detector n7 N8_RA = 157.1230917159004 / RA pointing for detector n8 N8_DEC = 30.34884486625239 / Dec pointing for detector n8 N9_RA = 336.0376539365084 / RA pointing for detector n9 N9_DEC = 51.54116138073407 / Dec pointing for detector n9 NA_RA = 21.38877397172328 / RA pointing for detector na NA_DEC = 21.58245573734109 / Dec pointing for detector na NB_RA = 89.82564329200416 / RA pointing for detector nb NB_DEC = 52.509531722745 / Dec pointing for detector nb B0_RA = 263.6583508379226 / RA pointing for detector b0 B0_DEC = -52.48371577971945 / Dec pointing for detector b0 B1_RA = 83.65835083792265 / RA pointing for detector b1 B1_DEC = 52.48371577971945 / Dec pointing for detector b1 CHECKSUM= '68e767Z667b667Z6' / HDU checksum updated 2021-12-19T09:25:02 DATASUM = '787534721' / data unit checksum updated 2021-12-19T09:25:02 COMMENT SCPOS: [ 3044615. -6125873. -959274.] COMMENT QUAT: [-0.28837537 -0.33928821 0.64692881 -0.61903657] END ! 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