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 = '2025-07-30T14:11:06' / file creation date (YYYY-MM-DDThh:mm:ss UT) DATE-OBS= '2025-07-30T09:50:26' / Date of start of observation DATE-END= '2025-07-30T09:50:26' / 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 = 775561831.6 / [GLAST MET] Observation start time TSTOP = 775561831.728 / [GLAST MET] Observation stop time FILENAME= 'healpix.775561831.fit' / Name of this file TRIGTIME= 775561831.6 / 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 = 73.98999999999999 / Calculated RA of burst DEC_OBJ = 24.71 / Calculated Dec of burst ERR_RAD = 14.88 / 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= '9oJKDo9J9oGJCo9J' / HDU checksum updated 2025-07-30T09:11:06 DATASUM = '0 ' / data unit checksum updated 2025-07-30T09:11:06 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 = 129.5425647653942 / RA of Sun SUN_DEC = 18.48391146990238 / Dec of Sun GEO_RA = 91.84863685976406 / RA of Geocenter relative to Fermi GEO_DEC = 1.176842575263678 / Dec of Geocenter relative to Fermi GEO_RAD = 67.91716320282899 / Radius of the Earth N0_RA = 221.1186895080521 / RA pointing for detector n0 N0_DEC = 34.66581114455147 / Dec pointing for detector n0 N1_RA = 198.2223510296277 / RA pointing for detector n1 N1_DEC = 20.36639910067213 / Dec pointing for detector n1 N2_RA = 175.0293551214132 / RA pointing for detector n2 N2_DEC = -20.14140032174579 / Dec pointing for detector n2 N3_RA = 170.9624074113008 / RA pointing for detector n3 N3_DEC = 79.57410145737602 / Dec pointing for detector n3 N4_RA = 69.12326233345129 / RA pointing for detector n4 N4_DEC = 46.83400008475921 / Dec pointing for detector n4 N5_RA = 136.2862844937623 / RA pointing for detector n5 N5_DEC = 19.80632855652163 / Dec pointing for detector n5 N6_RA = 273.7575887188463 / RA pointing for detector n6 N6_DEC = 44.44941026713681 / Dec pointing for detector n6 N7_RA = 306.3970949868736 / RA pointing for detector n7 N7_DEC = 36.76089253664682 / Dec pointing for detector n7 N8_RA = 353.7638207537489 / RA pointing for detector n8 N8_DEC = 18.74238387844835 / Dec pointing for detector n8 N9_RA = 255.7989254859046 / RA pointing for detector n9 N9_DEC = -1.751409068337787 / Dec pointing for detector n9 NA_RA = 250.0284027577475 / RA pointing for detector na NA_DEC = -47.49262196051397 / Dec pointing for detector na NB_RA = 316.665820712567 / RA pointing for detector nb NB_DEC = -19.61518736709704 / Dec pointing for detector nb B0_RA = 133.5246775146278 / RA pointing for detector b0 B0_DEC = 21.95345140155018 / Dec pointing for detector b0 B1_RA = 313.5246775146278 / RA pointing for detector b1 B1_DEC = -21.95345140155017 / Dec pointing for detector b1 CHECKSUM= '8GAK992H8G8H898H' / HDU checksum updated 2025-07-30T09:11:06 DATASUM = '3653783287' / data unit checksum updated 2025-07-30T09:11:06 COMMENT SCPOS: [ 221977. -6877463. -141355.] COMMENT QUAT: [ 0.02137113 -0.3994767 0.81227057 0.42447397] END &f&?&m&1F'Y':=''&!'E&~'4''oN'4'&']'1''?':Ϫ'Fz'^'Q=x'kq'0I='E':6'Pi']8'y'j''h}''',': '0U''*':z'F' ''('1'F O'<7'R'Dߓ']M'P|'k7'ymu'V'''^l'za'mjl'<'5'K'z''{BU'Y''&''P|'s'ţg'aJ'''P'm'['''/'^'z(s(1(%M{(c(1'( (N(x($ (??(0T(N'e'']'Ň+'L''Q(U'#'ԞS'`?'ro'0 ( ((·( N(#(T(1Q(?(_(O(r2($(@M(2(Q <(`~((t*(չ'!,'3c'+y'?@'H'a;'VFw'q)'6'Ln'C'['e#'o'vu'F'~''U'ן''n'E'lX' ''!'['['K'Ν''Q'kKe'aE'}I 'T'3b'D'Sw'r7''/''g'Y'd''^'Kj'''->(7H'(P''W`'4'((K((''?J'7p'((W(&((5k'n(@( R(Gh()(F6(9o (X9(BK(c6(TF(xg(5(+7(((g(a(}(0(("(ʸ(Ϙ(<(-t(#7(>g(JF(m4=(]((2j(PU(CW(d0(s|#(((@(7(((G(X(L({(-(H (ƥq(l(/()Jl))t(@U(a(Oo (s(](((G(_(6(q( (J((3(3g(wd(ؓ(.(X()r0) p6)#0(֚(() !))1y)#X)AD1(B(%/(qQ(((j(L(a(#(([(((K(+{)b(|)s) >-)#R)1J)R?)By)f)")3j)%)Da)Tf){b)iw)D)3P)TdY)B9)eM){)))@E)k3)R)y)e)ǡ)z)By)[))t))*I)D)h*/*I*#*)ϓ))}**P*+***: )y)[)w>)ۍ)))))z)V))¾)TL)W )$*)x ****,d*Ka*<*^3*I*.*"BE*@*Nμ*t\*c1 *7;(I(ۏ($(6))vq)\);)(n(*()()v)y)9\),k)M)5V)W)H)m)~))))\)])s))) #)G)*)gq) ))1)>ľ)bR)S&){ )%_O)D)7"e)Y>)iD)B )ŧ)\)ذ)m1)sK)7)) ))))Ś)W)~)`*#**=))T)t)c)MO**D*&Z)Y*){*^* *7&*+*K*2*S*E!*ib*z%*** *Y.* t*q}***K**ē*o* q***2C*>*b*S*{Z*&ɡ*F]*9ř*]*k**_* * ***zr*{*L****č**9Q*+ \++<'[h'ә'q'N''2Q'8a'{ '8'1R' '̠I'։'X'( '(C(|7(a(/(7y(-(IU( Y(#Z(|4(2@(=(\(O(r'êd''''^(g(( '(c'(#(_(/#(&(?T()(C(9|(V(d25(b(z((JB(k(^p(((N((n(V,?(z(kA(F(<(=(((4((%[(((b(({(̒('()Z)")*X))=.8(ϑ)=) 5h)$;)0C)Qm)Cc)i((H(vS([(٨s) 2(U)(&(w(`())1) ).))6R)))I)Y))p));)`g)PX:)x)))) i( (f(rZ(,E(5(R!(FS(f]($So(