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 = '2023-01-07T06:06:18' / file creation date (YYYY-MM-DDThh:mm:ss UT) DATE-OBS= '2023-01-07T02:14:46' / Date of start of observation DATE-END= '2023-01-07T02:14:47' / 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 = 694750491.704 / [GLAST MET] Observation start time TSTOP = 694750492.408 / [GLAST MET] Observation stop time FILENAME= 'healpix.694750491.fit' / Name of this file TRIGTIME= 694750491.704 / 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 = 201.82 / Calculated RA of burst DEC_OBJ = -19.58 / Calculated Dec of burst ERR_RAD = 14.84 / 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= 'U3VUX1TUU1TUU1TU' / HDU checksum updated 2023-01-07T00:06:19 DATASUM = '0 ' / data unit checksum updated 2023-01-07T00:06:19 END XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / array data type NAXIS = 2 / number of array dimensions NAXIS1 = 16384 / 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 = '1024D ' TTYPE2 = 'SIGNIFICANCE' / Integrated probability TFORM2 = '1024D ' 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 = 287.5425488149166 / RA of Sun SUN_DEC = -22.45676870255545 / Dec of Sun GEO_RA = 0.6110110543927882 / RA of Geocenter relative to Fermi GEO_DEC = 15.94286018041205 / Dec of Geocenter relative to Fermi GEO_RAD = 67.49372161063596 / Radius of the Earth N0_RA = 225.9418468791946 / RA pointing for detector n0 N0_DEC = -39.56813508169186 / Dec pointing for detector n0 N1_RA = 241.6732068318943 / RA pointing for detector n1 N1_DEC = -18.89097317536514 / Dec pointing for detector n1 N2_RA = 250.3881127976742 / RA pointing for detector n2 N2_DEC = 26.76703711839723 / Dec pointing for detector n2 N3_RA = 302.0553557433628 / RA pointing for detector n3 N3_DEC = -64.59045017154872 / Dec pointing for detector n3 N4_RA = 355.0010069646972 / RA pointing for detector n4 N4_DEC = -31.45713184067349 / Dec pointing for detector n4 N5_RA = 298.5349052793907 / RA pointing for detector n5 N5_DEC = -2.889497110526463 / Dec pointing for detector n5 N6_RA = 168.0603201973486 / RA pointing for detector n6 N6_DEC = -62.20835943002733 / Dec pointing for detector n6 N7_RA = 119.9549426196717 / RA pointing for detector n7 N7_DEC = -54.43113115094539 / Dec pointing for detector n7 N8_RA = 72.15558763544067 / RA pointing for detector n8 N8_DEC = -25.83390082576277 / Dec pointing for detector n8 N9_RA = 178.4724660364995 / RA pointing for detector n9 N9_DEC = -13.87707070852022 / Dec pointing for detector n9 NA_RA = 174.1117187338879 / RA pointing for detector na NA_DEC = 31.94709496291851 / Dec pointing for detector na NB_RA = 118.1528631967301 / RA pointing for detector nb NB_DEC = 2.753136443533437 / Dec pointing for detector nb B0_RA = 301.3958595646278 / RA pointing for detector b0 B0_DEC = -4.655164358581516 / Dec pointing for detector b0 B1_RA = 121.3958595646278 / RA pointing for detector b1 B1_DEC = 4.655164358581513 / Dec pointing for detector b1 CHECKSUM= '6AKJ61HI68HI68HI' / HDU checksum updated 2023-01-07T00:06:19 DATASUM = '2485163462' / data unit checksum updated 2023-01-07T00:06:19 COMMENT SCPOS: [-6635905. -70769. -1895763.] COMMENT QUAT: [-0.83650156 0.45537087 0.18172136 -0.24470363] END <+Kt<P,)