SIMPLE = T / conforms to FITS standard BITPIX = 8 / array data type NAXIS = 0 / number of array dimensions EXTEND = T CREATOR = 'locationContours.py 1.4' / Software and version creating file 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 = '2025-04-21T10:48:38' / file creation date (YYYY-MM-DDThh:mm:ss UT) DATE-OBS= '2025-04-21T10:36:17' / Date of start of observation DATE-END= '2025-04-21T10:46:32' / 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 = 0.000742870370370370 / MJD of GLAST reference epoch, fractional part TSTART = 766924577.846224 / [GLAST MET] Observation start time TSTOP = 766925192.2555341 / [GLAST MET] Observation stop time FILENAME= 'glg_locprob_all_bn250421443_v00.fit' / Name of this file TRIGTIME= 766924716.344264 / Trigger time relative to MJDREF, double precisiOBJECT = 'GRB250421443' / Burst name in standard format, yymmddfff RADECSYS= 'FK5 ' / Stellar reference frame EQUINOX = 2000.0 / Equinox for RA and Dec RA_OBJ = 249.06 DEC_OBJ = -59.86 ERR_RAD = 3.84 THETA = 103.0 / [deg] Angle from spacecraft zenith PHI = 231.0 / [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= 274.6333 / [deg] Spacecraft geographical east longitude GEO_LAT = 16.5667 / [deg] Spacecraft geographical north latitude RA_SCX = 21.6918 / [deg] Pointing of spacecraft x-axis: RA DEC_SCX = 19.9936 / [deg] Pointing of spacecraft x-axis: Dec RA_SCZ = 272.8481 / [deg] Pointing of spacecraft z-axis: RA DEC_SCZ = 41.5956 / [deg] Pointing of spacecraft z-axis: Dec LOC_VER = '3 ' / Version string of localizing software LOC_ENRG= '(50, 300)' / nergy range used for localization LMETHOD = 'Interactive' / Method of localization CHECKSUM= '5giF5Zi95fiE5Zi9' / HDU checksum updated 2025-04-21T10:48:37 DATASUM = '0 ' / data unit checksum updated 2025-04-21T10:48:37 END XTENSION= 'IMAGE ' / Image extension BITPIX = -64 / array data type NAXIS = 2 / number of array dimensions NAXIS1 = 512 NAXIS2 = 512 PCOUNT = 0 / number of parameters GCOUNT = 1 / number of groups WCSAXES = 2 / Number of coordinate axes CRPIX1 = 256.5 / Pixel coordinate of reference point CRPIX2 = 256.5 / Pixel coordinate of reference point CDELT1 = -0.097119221633554 / [deg] Coordinate increment at reference point CDELT2 = -0.097119221633554 / [deg] Coordinate increment at reference point CUNIT1 = 'deg' / Units of coordinate increment and value CUNIT2 = 'deg' / Units of coordinate increment and value CTYPE1 = 'RA---TAN' / Right ascension, gnomonic projection CTYPE2 = 'DEC--TAN' / Declination, gnomonic projection CRVAL1 = 249.1 / [deg] Coordinate value at reference point CRVAL2 = -59.9 / [deg] Coordinate value at reference point LONPOLE = 180.0 / [deg] Native longitude of celestial pole LATPOLE = -59.9 / [deg] Native latitude of celestial pole RADESYS = 'ICRS' / Equatorial coordinate system BUNIT = 'significance' / The significance level, 1-P EXTNAME = 'PMAP ' / extension name CHECKSUM= 'UmBEVk9EUkAEUk7E' / HDU checksum updated 2025-04-21T10:48:37 DATASUM = '12061426' / data unit checksum updated 2025-04-21T10:48:37 COMMENT The values of this skymap are in units of significance, the complement COMMENT of the confidence (e.g. 95% confidence level is at a value of 0.05) END >DV:>ɩt">>ƽ$>M Vp>Ƀ=>=+(>-:"Ԟ>H>WU>e{>
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