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 = '2021-06-25T01:08:07' / file creation date (YYYY-MM-DDThh:mm:ss UT) DATE-OBS= '2021-06-24T20:24:49' / Date of start of observation DATE-END= '2021-06-24T20:24:49' / 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 = 646259094.639999 / [GLAST MET] Observation start time TSTOP = 646259094.703999 / [GLAST MET] Observation stop time FILENAME= 'healpix.646259094.fit' / Name of this file TRIGTIME= 646259094.639999 / 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 = 253.46 / Calculated RA of burst DEC_OBJ = -48.41 / Calculated Dec of burst ERR_RAD = 16.77 / 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= 'EcKAGcK9EcKAEcK9' / HDU checksum updated 2021-06-24T20:08:07 DATASUM = '0 ' / data unit checksum updated 2021-06-24T20:08:07 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 = 93.52644747655661 / RA of Sun SUN_DEC = 23.39691989198922 / Dec of Sun GEO_RA = 144.9018175287892 / RA of Geocenter relative to Fermi GEO_DEC = 22.84009733155772 / Dec of Geocenter relative to Fermi GEO_RAD = 67.22143468855633 / Radius of the Earth N0_RA = 352.9948450452043 / RA pointing for detector n0 N0_DEC = -65.73362312395599 / Dec pointing for detector n0 N1_RA = 22.69395345978054 / RA pointing for detector n1 N1_DEC = -46.694313669255 / Dec pointing for detector n1 N2_RA = 29.85993401569775 / RA pointing for detector n2 N2_DEC = -0.6851768240703106 / Dec pointing for detector n2 N3_RA = 143.5364176609626 / RA pointing for detector n3 N3_DEC = -63.38713167823803 / Dec pointing for detector n3 N4_RA = 146.6654417901762 / RA pointing for detector n4 N4_DEC = -17.22111180109731 / Dec pointing for detector n4 N5_RA = 83.38155814768024 / RA pointing for detector n5 N5_DEC = -16.90424002934775 / Dec pointing for detector n5 N6_RA = 258.0415159752488 / RA pointing for detector n6 N6_DEC = -58.03332653465659 / Dec pointing for detector n6 N7_RA = 239.0292993720452 / RA pointing for detector n7 N7_DEC = -35.57889766674312 / Dec pointing for detector n7 N8_RA = 211.5205325911595 / RA pointing for detector n8 N8_DEC = 1.475568564776044 / Dec pointing for detector n8 N9_RA = 309.7828355241944 / RA pointing for detector n9 N9_DEC = -25.15707301040629 / Dec pointing for detector n9 NA_RA = 326.1849100781235 / RA pointing for detector na NA_DEC = 17.99746359459995 / Dec pointing for detector na NB_RA = 262.9594589885672 / RA pointing for detector nb NB_DEC = 16.93773552085001 / Dec pointing for detector nb B0_RA = 86.86840536409764 / RA pointing for detector b0 B0_DEC = -17.30490516881512 / Dec pointing for detector b0 B1_RA = 266.8684053640977 / RA pointing for detector b1 B1_DEC = 17.30490516881511 / Dec pointing for detector b1 CHECKSUM= 'ZFQJhCOGZCOGfCOG' / HDU checksum updated 2021-06-24T20:08:07 DATASUM = '1817079792' / data unit checksum updated 2021-06-24T20:08:07 COMMENT SCPOS: [ 5213137. -3663607. -2683673.] COMMENT QUAT: [-0.70625528 -0.68660069 0.05001175 -0.16517205] END 0 P @ ` P P 0 0 0 0 P ` P 0 p 0 ` @ 0 0 0 @ 0 @ p P p @ ` p P ` 0 P @ p 0 0 0 @ 0 0 p 0 p p p p p @ @ 0 p P P ` ` @ @ @ @ p 0 P p 0 P @ @ 0 ` ` p 0 @ ` P 0 p p p T ` p l l l l 3 : t 0 @ 0 P P P ` L 0 @ ` 0 @ 8 \ h 8 h \ 5 + k ; : z y v !@! !L J _ Ѐ 2 ~ \ !@ !% ݀ !! !A!I !!@!!5@!y !g !!! !ۀ "@ @ @ 0 0 @ @ @ 0 0 P \ 7 m p t 6 I l T [ P R 6 π !!P !5 !@ ̀ ! !4 !] ! ! !`!!`!`!""> "0`"q ! " " "D0"\ "x""! !T@ !!s !! !" !(@!!. !`! "!` "5"(@"o "H""" " # "k "h""P" #+l#T#L I !(!!@! !`"Jp""X !} !"@!"_ !` "X@ "" "#D#(P#q #A(#"#"#h#X #n#n #h ! "