////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 18 Mar 26 22:35:53 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 795566152 GRB_DATE: 21117 TJD; 77 DOY; 26/03/18 GRB_TIME: 81347.46 SOD {22:35:47.46} UT TRIGGER_SIGNIF: 4.9 [sigma] TRIGGER_DUR: 2.048 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 15 DETECTORS: 1,1,0, 1,0,0, 0,0,0, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260318942/quicklook/glg_lc_medres34_bn260318942.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 81.95,21.02 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 18 Mar 26 22:36:06 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 47 TRIGGER_NUM: 795566152 GRB_RA: 305.167d {+20h 20m 40s} (J2000), 305.300d {+20h 21m 12s} (current), 304.911d {+20h 19m 39s} (1950) GRB_DEC: +59.450d {+59d 27' 00"} (J2000), +59.534d {+59d 32' 03"} (current), +59.290d {+59d 17' 25"} (1950) GRB_ERROR: 13.30 [deg radius, statistical plus systematic] GRB_INTEN: 102 [cnts/sec] DATA_SIGNIF: 7.10 [sigma] INTEG_TIME: 2.048 [sec] GRB_DATE: 21117 TJD; 77 DOY; 26/03/18 GRB_TIME: 81347.46 SOD {22:35:47.46} UT GRB_PHI: 320.00 [deg] GRB_THETA: 15.00 [deg] DATA_TIME_SCALE: 2.0480 [sec] HARD_RATIO: 1.38 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 97% GRB 2nd_MOST_LIKELY: 1% Generic SGR DETECTORS: 1,1,0, 1,0,0, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 358.48d {+23h 53m 55s} -0.66d {-00d 39' 33"} SUN_DIST: 72.91 [deg] Sun_angle= 3.5 [hr] (West of Sun) MOON_POSTN: 356.54d {+23h 46m 11s} +0.19d {+00d 11' 25"} MOON_DIST: 71.32 [deg] MOON_ILLUM: 0 [%] GAL_COORDS: 94.10, 12.77 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 352.48, 72.82 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260318942/quicklook/glg_lc_medres34_bn260318942.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 81.95,21.02 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 18 Mar 26 22:36:15 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 58 TRIGGER_NUM: 795566152 GRB_RA: 305.283d {+20h 21m 08s} (J2000), 305.419d {+20h 21m 40s} (current), 305.024d {+20h 20m 06s} (1950) GRB_DEC: +59.267d {+59d 16' 00"} (J2000), +59.351d {+59d 21' 04"} (current), +59.106d {+59d 06' 23"} (1950) GRB_ERROR: 6.50 [deg radius, statistical plus systematic] GRB_INTEN: 253 [cnts/sec] DATA_SIGNIF: 25.20 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21117 TJD; 77 DOY; 26/03/18 GRB_TIME: 81347.46 SOD {22:35:47.46} UT GRB_PHI: 320.00 [deg] GRB_THETA: 15.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.95 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 93% GRB 2nd_MOST_LIKELY: 4% Cyg X-1 DETECTORS: 1,1,0, 1,0,0, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 358.48d {+23h 53m 55s} -0.66d {-00d 39' 33"} SUN_DIST: 72.76 [deg] Sun_angle= 3.5 [hr] (West of Sun) MOON_POSTN: 356.55d {+23h 46m 11s} +0.19d {+00d 11' 28"} MOON_DIST: 71.17 [deg] MOON_ILLUM: 0 [%] GAL_COORDS: 93.98, 12.62 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 352.12, 72.66 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260318942/quicklook/glg_lc_medres34_bn260318942.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 81.95,21.02 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 18 Mar 26 22:36:21 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 69 TRIGGER_NUM: 795566152 GRB_RA: 305.400d {+20h 21m 36s} (J2000), 305.537d {+20h 22m 09s} (current), 305.138d {+20h 20m 33s} (1950) GRB_DEC: +59.083d {+59d 04' 60"} (J2000), +59.168d {+59d 10' 05"} (current), +58.923d {+58d 55' 21"} (1950) GRB_ERROR: 4.92 [deg radius, statistical plus systematic] GRB_INTEN: 581 [cnts/sec] DATA_SIGNIF: 40.70 [sigma] INTEG_TIME: 2.048 [sec] GRB_DATE: 21117 TJD; 77 DOY; 26/03/18 GRB_TIME: 81347.46 SOD {22:35:47.46} UT GRB_PHI: 320.00 [deg] GRB_THETA: 15.00 [deg] DATA_TIME_SCALE: 2.0480 [sec] HARD_RATIO: 0.97 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 93% GRB 2nd_MOST_LIKELY: 4% Cyg X-1 DETECTORS: 1,1,0, 1,0,0, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 358.48d {+23h 53m 55s} -0.66d {-00d 39' 33"} SUN_DIST: 72.60 [deg] Sun_angle= 3.5 [hr] (West of Sun) MOON_POSTN: 356.55d {+23h 46m 11s} +0.19d {+00d 11' 29"} MOON_DIST: 71.01 [deg] MOON_ILLUM: 0 [%] GAL_COORDS: 93.85, 12.47 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 351.78, 72.50 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260318942/quicklook/glg_lc_medres34_bn260318942.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 81.95,21.02 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 18 Mar 26 22:36:25 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 57 TRIGGER_NUM: 795566152 GRB_RA: 303.590d {+20h 14m 22s} (J2000), 303.738d {+20h 14m 57s} (current), 303.307d {+20h 13m 14s} (1950) GRB_DEC: +57.070d {+57d 04' 12"} (J2000), +57.151d {+57d 09' 03"} (current), +56.917d {+56d 54' 60"} (1950) GRB_ERROR: 1.91 [deg radius, statistical only] DATA_SIGNIF: 15.90 [sigma] DATA_INTERVAL: 4.096 [sec] GRB_DATE: 21117 TJD; 77 DOY; 26/03/18 GRB_TIME: 81347.46 SOD {22:35:47.46} UT GRB_PHI: 315.00 [deg] GRB_THETA: 17.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 358.48d {+23h 53m 55s} -0.66d {-00d 39' 33"} SUN_DIST: 72.34 [deg] Sun_angle= 3.6 [hr] (West of Sun) MOON_POSTN: 356.55d {+23h 46m 11s} +0.19d {+00d 11' 31"} MOON_DIST: 70.69 [deg] MOON_ILLUM: 0 [%] GAL_COORDS: 91.59, 12.21 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 344.82, 71.84 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260318942/quicklook/glg_lc_medres34_bn260318942.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_795566152.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: Wed 18 Mar 26 22:37:15 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 1 TRIGGER_NUM: 795566152 GRB_RA: 303.640d {+20h 14m 34s} (J2000), 303.780d {+20h 15m 07s} (current), 303.373d {+20h 13m 30s} (1950) GRB_DEC: +58.220d {+58d 13' 12"} (J2000), +58.301d {+58d 18' 04"} (current), +58.066d {+58d 03' 59"} (1950) GRB_ERROR: 1.73 [deg radius, statistical only] DATA_SIGNIF: 21.10 [sigma] DATA_INTERVAL: 10.240 [sec] GRB_DATE: 21117 TJD; 77 DOY; 26/03/18 GRB_TIME: 81347.46 SOD {22:35:47.46} UT GRB_PHI: 316.00 [deg] GRB_THETA: 16.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 358.48d {+23h 53m 55s} -0.66d {-00d 39' 32"} SUN_DIST: 72.91 [deg] Sun_angle= 3.6 [hr] (West of Sun) MOON_POSTN: 356.55d {+23h 46m 13s} +0.20d {+00d 11' 44"} MOON_DIST: 71.29 [deg] MOON_ILLUM: 0 [%] GAL_COORDS: 92.61, 12.79 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 347.60, 72.62 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260318942/quicklook/glg_lc_medres34_bn260318942.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_795566152.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. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 18 Mar 26 22:37:25 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 2 TRIGGER_NUM: 795566152 GRB_RA: 303.660d {+20h 14m 38s} (J2000), 303.800d {+20h 15m 12s} (current), 303.393d {+20h 13m 34s} (1950) GRB_DEC: +58.190d {+58d 11' 24"} (J2000), +58.271d {+58d 16' 16"} (current), +58.036d {+58d 02' 10"} (1950) GRB_ERROR: 1.04 [deg radius, statistical only] DATA_SIGNIF: 29.40 [sigma] DATA_INTERVAL: 12.288 [sec] GRB_DATE: 21117 TJD; 77 DOY; 26/03/18 GRB_TIME: 81347.46 SOD {22:35:47.46} UT GRB_PHI: 316.00 [deg] GRB_THETA: 16.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 358.48d {+23h 53m 55s} -0.66d {-00d 39' 32"} SUN_DIST: 72.89 [deg] Sun_angle= 3.6 [hr] (West of Sun) MOON_POSTN: 356.56d {+23h 46m 13s} +0.20d {+00d 11' 47"} MOON_DIST: 71.26 [deg] MOON_ILLUM: 0 [%] GAL_COORDS: 92.59, 12.76 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 347.55, 72.59 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260318942/quicklook/glg_lc_medres34_bn260318942.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_795566152.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. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 18 Mar 26 22:37:36 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 3 TRIGGER_NUM: 795566152 GRB_RA: 303.580d {+20h 14m 19s} (J2000), 303.728d {+20h 14m 55s} (current), 303.297d {+20h 13m 11s} (1950) GRB_DEC: +57.090d {+57d 05' 24"} (J2000), +57.171d {+57d 10' 15"} (current), +56.937d {+56d 56' 12"} (1950) GRB_ERROR: 1.00 [deg radius, statistical only] DATA_SIGNIF: 43.60 [sigma] DATA_INTERVAL: 16.384 [sec] GRB_DATE: 21117 TJD; 77 DOY; 26/03/18 GRB_TIME: 81347.46 SOD {22:35:47.46} UT GRB_PHI: 315.00 [deg] GRB_THETA: 17.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 358.48d {+23h 53m 55s} -0.66d {-00d 39' 32"} SUN_DIST: 72.35 [deg] Sun_angle= 3.7 [hr] (West of Sun) MOON_POSTN: 356.56d {+23h 46m 14s} +0.20d {+00d 11' 50"} MOON_DIST: 70.70 [deg] MOON_ILLUM: 0 [%] GAL_COORDS: 91.60, 12.22 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 344.85, 71.86 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260318942/quicklook/glg_lc_medres34_bn260318942.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_795566152.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. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 18 Mar 26 22:45:07 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 795566152 GRB_RA: 303.630d {+20h 14m 31s} (J2000), 303.778d {+20h 15m 07s} (current), 303.346d {+20h 13m 23s} (1950) GRB_DEC: +57.020d {+57d 01' 12"} (J2000), +57.101d {+57d 06' 03"} (current), +56.866d {+56d 51' 59"} (1950) GRB_ERROR: 1.00 [deg radius, statistical only] GRB_DATE: 21117 TJD; 77 DOY; 26/03/18 GRB_TIME: 81347.46 SOD {22:35:47.46} UT GRB_PHI: 315.00 [deg] GRB_THETA: 17.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 358.48d {+23h 53m 56s} -0.66d {-00d 39' 24"} SUN_DIST: 72.29 [deg] Sun_angle= 3.6 [hr] (West of Sun) MOON_POSTN: 356.62d {+23h 46m 29s} +0.23d {+00d 13' 55"} MOON_DIST: 70.64 [deg] MOON_ILLUM: 0 [%] GAL_COORDS: 91.56, 12.16 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 344.76, 71.79 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260318942/quicklook/glg_lc_medres34_bn260318942.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260318942/quicklook/glg_locplot_all_bn260318942.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.