////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 26 Feb 26 10:38:02 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 793795080 GRB_DATE: 21097 TJD; 57 DOY; 26/02/26 GRB_TIME: 38275.96 SOD {10:37:55.96} UT TRIGGER_SIGNIF: 4.4 [sigma] TRIGGER_DUR: 0.512 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 10 DETECTORS: 1,0,0, 1,0,0, 0,0,0, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260226443/quicklook/glg_lc_medres34_bn260226443.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 88.82,12.58 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 26 Feb 26 10:38:25 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 44 TRIGGER_NUM: 793795080 GRB_RA: 44.250d {+02h 57m 00s} (J2000), 44.610d {+02h 58m 26s} (current), 43.562d {+02h 54m 15s} (1950) GRB_DEC: +13.817d {+13d 49' 00"} (J2000), +13.921d {+13d 55' 14"} (current), +13.616d {+13d 36' 58"} (1950) GRB_ERROR: 19.87 [deg radius, statistical plus systematic] GRB_INTEN: 112 [cnts/sec] DATA_SIGNIF: 6.60 [sigma] INTEG_TIME: 1.024 [sec] GRB_DATE: 21097 TJD; 57 DOY; 26/02/26 GRB_TIME: 38275.96 SOD {10:37:55.96} UT GRB_PHI: 45.00 [deg] GRB_THETA: 20.00 [deg] DATA_TIME_SCALE: 1.0240 [sec] HARD_RATIO: 0.65 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 91% GRB 2nd_MOST_LIKELY: 5% GRO_J0422_32 DETECTORS: 1,0,0, 1,0,0, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 339.51d {+22h 38m 02s} -8.63d {-08d 37' 38"} SUN_DIST: 68.41 [deg] Sun_angle= -4.3 [hr] (East of Sun) MOON_POSTN: 93.68d {+06h 14m 42s} +28.20d {+28d 12' 00"} MOON_DIST: 47.61 [deg] MOON_ILLUM: 71 [%] GAL_COORDS: 163.51,-38.97 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 45.86, -2.89 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260226443/quicklook/glg_lc_medres34_bn260226443.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 88.82,12.58 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 26 Feb 26 10:38:34 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 58 TRIGGER_NUM: 793795080 GRB_RA: 49.383d {+03h 17m 32s} (J2000), 49.742d {+03h 18m 58s} (current), 48.699d {+03h 14m 48s} (1950) GRB_DEC: +11.800d {+11d 48' 00"} (J2000), +11.894d {+11d 53' 40"} (current), +11.618d {+11d 37' 03"} (1950) GRB_ERROR: 6.63 [deg radius, statistical plus systematic] GRB_INTEN: 238 [cnts/sec] DATA_SIGNIF: 19.70 [sigma] INTEG_TIME: 2.048 [sec] GRB_DATE: 21097 TJD; 57 DOY; 26/02/26 GRB_TIME: 38275.96 SOD {10:37:55.96} UT GRB_PHI: 60.00 [deg] GRB_THETA: 20.00 [deg] DATA_TIME_SCALE: 2.0480 [sec] HARD_RATIO: 1.14 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 96% GRB 2nd_MOST_LIKELY: 1% Generic SGR DETECTORS: 1,0,0, 1,0,0, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 339.51d {+22h 38m 02s} -8.63d {-08d 37' 38"} SUN_DIST: 72.76 [deg] Sun_angle= -4.7 [hr] (East of Sun) MOON_POSTN: 93.68d {+06h 14m 43s} +28.20d {+28d 11' 60"} MOON_DIST: 44.08 [deg] MOON_ILLUM: 71 [%] GAL_COORDS: 170.07,-37.36 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 50.13, -6.20 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260226443/quicklook/glg_lc_medres34_bn260226443.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 88.82,12.58 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 26 Feb 26 10:38:43 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 57 TRIGGER_NUM: 793795080 GRB_RA: 40.370d {+02h 41m 29s} (J2000), 40.732d {+02h 42m 56s} (current), 39.678d {+02h 38m 43s} (1950) GRB_DEC: +16.030d {+16d 01' 48"} (J2000), +16.141d {+16d 08' 26"} (current), +15.817d {+15d 49' 00"} (1950) GRB_ERROR: 7.51 [deg radius, statistical only] DATA_SIGNIF: 8.60 [sigma] DATA_INTERVAL: 4.096 [sec] GRB_DATE: 21097 TJD; 57 DOY; 26/02/26 GRB_TIME: 38275.96 SOD {10:37:55.96} UT GRB_PHI: 32.00 [deg] GRB_THETA: 20.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 339.51d {+22h 38m 02s} -8.63d {-08d 37' 38"} SUN_DIST: 65.45 [deg] Sun_angle= -4.1 [hr] (East of Sun) MOON_POSTN: 93.68d {+06h 14m 43s} +28.20d {+28d 11' 59"} MOON_DIST: 50.10 [deg] MOON_ILLUM: 71 [%] GAL_COORDS: 157.91,-39.25 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 42.92, 0.33 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260226443/quicklook/glg_lc_medres34_bn260226443.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_793795080.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: In the LAT Field-of-view. COMMENTS: This Notice was ground-generated -- not flight-generated. COMMENTS: The LC_URL file will not be created/available until ~15 min after the trigger. COMMENTS: The POS_MAP_URL file will not be created/available until ~1.5 min after the notice. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 26 Feb 26 10:38:44 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 69 TRIGGER_NUM: 793795080 GRB_RA: 49.667d {+03h 18m 40s} (J2000), 50.024d {+03h 20m 06s} (current), 48.985d {+03h 15m 56s} (1950) GRB_DEC: +11.200d {+11d 11' 60"} (J2000), +11.294d {+11d 17' 38"} (current), +11.019d {+11d 01' 07"} (1950) GRB_ERROR: 3.57 [deg radius, statistical plus systematic] GRB_INTEN: 3153 [cnts/sec] DATA_SIGNIF: 92.50 [sigma] INTEG_TIME: 0.256 [sec] GRB_DATE: 21097 TJD; 57 DOY; 26/02/26 GRB_TIME: 38275.96 SOD {10:37:55.96} UT GRB_PHI: 60.00 [deg] GRB_THETA: 20.00 [deg] DATA_TIME_SCALE: 0.2560 [sec] HARD_RATIO: 0.52 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 90% GRB 2nd_MOST_LIKELY: 5% GRO_J0422_32 DETECTORS: 1,0,0, 1,0,0, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 339.51d {+22h 38m 02s} -8.63d {-08d 37' 38"} SUN_DIST: 72.90 [deg] Sun_angle= -4.7 [hr] (East of Sun) MOON_POSTN: 93.68d {+06h 14m 43s} +28.20d {+28d 11' 59"} MOON_DIST: 44.13 [deg] MOON_ILLUM: 71 [%] GAL_COORDS: 170.83,-37.62 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 50.25, -6.85 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260226443/quicklook/glg_lc_medres34_bn260226443.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 88.82,12.58 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 26 Feb 26 10:39:09 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 72 TRIGGER_NUM: 793795080 GRB_RA: 45.983d {+03h 03m 56s} (J2000), 46.352d {+03h 05m 25s} (current), 45.279d {+03h 01m 07s} (1950) GRB_DEC: +17.767d {+17d 46' 00"} (J2000), +17.868d {+17d 52' 03"} (current), +17.572d {+17d 34' 19"} (1950) GRB_ERROR: 3.32 [deg radius, statistical plus systematic] GRB_INTEN: 10439 [cnts/sec] DATA_SIGNIF: 844.10 [sigma] INTEG_TIME: 2.048 [sec] GRB_DATE: 21097 TJD; 57 DOY; 26/02/26 GRB_TIME: 38275.96 SOD {10:37:55.96} UT GRB_PHI: 40.00 [deg] GRB_THETA: 15.00 [deg] DATA_TIME_SCALE: 2.0480 [sec] HARD_RATIO: 0.48 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 88% GRB 2nd_MOST_LIKELY: 8% GRO_J0422_32 DETECTORS: 1,0,0, 1,0,0, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 339.51d {+22h 38m 02s} -8.63d {-08d 37' 37"} SUN_DIST: 71.09 [deg] Sun_angle= -4.5 [hr] (East of Sun) MOON_POSTN: 93.68d {+06h 14m 44s} +28.20d {+28d 11' 58"} MOON_DIST: 44.48 [deg] MOON_ILLUM: 71 [%] GAL_COORDS: 162.26,-34.80 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 48.57, 0.43 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260226443/quicklook/glg_lc_medres34_bn260226443.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 88.82,12.58 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 26 Feb 26 10:41:20 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 0 TRIGGER_NUM: 793795080 GRB_RA: 41.630d {+02h 46m 31s} (J2000), 41.978d {+02h 47m 55s} (current), 40.966d {+02h 43m 52s} (1950) GRB_DEC: +7.310d {+07d 18' 36"} (J2000), +7.419d {+07d 25' 07"} (current), +7.101d {+07d 06' 03"} (1950) GRB_ERROR: 4.68 [deg radius, statistical only] DATA_SIGNIF: 12.70 [sigma] DATA_INTERVAL: 10.240 [sec] GRB_DATE: 21097 TJD; 57 DOY; 26/02/26 GRB_TIME: 38275.96 SOD {10:37:55.96} UT GRB_PHI: 46.00 [deg] GRB_THETA: 27.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 339.51d {+22h 38m 03s} -8.63d {-08d 37' 35"} SUN_DIST: 64.29 [deg] Sun_angle= -4.2 [hr] (East of Sun) MOON_POSTN: 93.71d {+06h 14m 50s} +28.20d {+28d 11' 53"} MOON_DIST: 52.97 [deg] MOON_ILLUM: 72 [%] GAL_COORDS: 166.06,-45.71 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 41.47, -8.36 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260226443/quicklook/glg_lc_medres34_bn260226443.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_793795080.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: In the LAT Field-of-view. COMMENTS: This is likely a Long GRB. COMMENTS: This Notice was ground-generated -- not flight-generated. COMMENTS: The LC_URL file will not be created/available until ~15 min after the trigger. COMMENTS: The POS_MAP_URL file will not be created/available until ~1.5 min after the notice. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(9.0<100sec) coincident with the CALET_GBM event (trignum=1456137494). ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 26 Feb 26 10:47:24 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 793795080 GRB_RA: 45.270d {+03h 01m 05s} (J2000), 45.634d {+03h 02m 32s} (current), 44.574d {+02h 58m 18s} (1950) GRB_DEC: +15.740d {+15d 44' 24"} (J2000), +15.842d {+15d 50' 32"} (current), +15.543d {+15d 32' 34"} (1950) GRB_ERROR: 1.00 [deg radius, statistical only] GRB_DATE: 21097 TJD; 57 DOY; 26/02/26 GRB_TIME: 38275.96 SOD {10:37:55.96} UT GRB_PHI: 41.00 [deg] GRB_THETA: 17.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 339.52d {+22h 38m 04s} -8.63d {-08d 37' 29"} SUN_DIST: 69.87 [deg] Sun_angle= -4.4 [hr] (East of Sun) MOON_POSTN: 93.78d {+06h 15m 06s} +28.19d {+28d 11' 39"} MOON_DIST: 45.99 [deg] MOON_ILLUM: 72 [%] GAL_COORDS: 163.06,-36.83 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 47.35, -1.32 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260226443/quicklook/glg_lc_medres34_bn260226443.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260226443/quicklook/glg_locplot_all_bn260226443.png COMMENTS: Fermi-GBM Final Position. COMMENTS: This Notice was ground-generated -- not flight-generated. COMMENTS: The LC_URL file should be available by the time this FINAL notice is produced. COMMENTS: This notice was generated completely by automated pipeline processing. COMMENTS: In the LAT Field-of-view. COMMENTS: This is likely a Long GRB. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(9.0<100sec) coincident with the CALET_GBM event (trignum=1456137494). ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 26 Feb 26 15:42:21 UT NOTICE_TYPE: Fermi-LAT Offline Position TRIGGER_NUM: 793795080 GRB_RA: 41.921d {+02h 47m 41s} (J2000), 42.269d {+02h 49m 05s} (current), 41.256d {+02h 45m 01s} (1950) GRB_DEC: +7.720d {+07d 43' 12"} (J2000), +7.828d {+07d 49' 41"} (current), +7.512d {+07d 30' 42"} (1950) GRB_ERROR: 6.35 [arcmin radius, 90% containment, statistical only] GRB_DATE: 21097 TJD; 57 DOY; 26/02/26 GRB_TIME: 38298.84 SOD {10:38:18.84} UT TRIGGER_ID: 0x20000000 MISC: 0x40000000 SUN_POSTN: 339.71d {+22h 38m 50s} -8.55d {-08d 32' 53"} SUN_DIST: 64.46 [deg] Sun_angle= -4.2 [hr] (East of Sun) MOON_POSTN: 97.05d {+06h 28m 12s} +27.96d {+27d 57' 48"} MOON_DIST: 55.35 [deg] MOON_ILLUM: 74 [%] GAL_COORDS: 166.02,-45.21 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 41.87, -8.05 [deg] ecliptic lon,lat of the burst (or transient) COMMENTS: Fermi LAT Offline position. COMMENTS: This Notice was ground-generated -- not flight-generated. COMMENTS: It is the result of human-in-the-loop processing. COMMENTS: This is a human generated position of a LAT ground detection. COMMENTS: This source corresponds to GBM trigger.