////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Fri 21 Mar 25 00:42:46 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 764210564 GRB_DATE: 20755 TJD; 80 DOY; 25/03/21 GRB_TIME: 2559.02 SOD {00:42:39.02} UT TRIGGER_SIGNIF: 5.0 [sigma] TRIGGER_DUR: 0.064 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 4 DETECTORS: 0,0,0, 1,1,0, 0,0,0, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250321030/quicklook/glg_lc_medres34_bn250321030.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 58.52,15.20 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Fri 21 Mar 25 00:43:08 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 48 TRIGGER_NUM: 764210564 GRB_RA: 293.583d {+19h 34m 20s} (J2000), 293.846d {+19h 35m 23s} (current), 293.063d {+19h 32m 15s} (1950) GRB_DEC: +25.183d {+25d 10' 60"} (J2000), +25.240d {+25d 14' 23"} (current), +25.073d {+25d 04' 23"} (1950) GRB_ERROR: 6.75 [deg radius, statistical plus systematic] GRB_INTEN: 278 [cnts/sec] DATA_SIGNIF: 12.70 [sigma] INTEG_TIME: 1.024 [sec] GRB_DATE: 20755 TJD; 80 DOY; 25/03/21 GRB_TIME: 2559.02 SOD {00:42:39.02} UT GRB_PHI: 299.00 [deg] GRB_THETA: 35.00 [deg] DATA_TIME_SCALE: 1.0240 [sec] HARD_RATIO: 0.88 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 80% GRB 2nd_MOST_LIKELY: 18% Cyg X-1 DETECTORS: 0,0,0, 1,1,0, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 0.60d {+00h 02m 25s} +0.26d {+00d 15' 42"} SUN_DIST: 68.97 [deg] Sun_angle= 4.5 [hr] (West of Sun) MOON_POSTN: 252.04d {+16h 48m 10s} -27.65d {-27d 39' 10"} MOON_DIST: 66.46 [deg] MOON_ILLUM: 64 [%] GAL_COORDS: 60.06, 2.53 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 301.46, 46.08 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250321030/quicklook/glg_lc_medres34_bn250321030.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 58.52,15.20 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(1.0<100sec) coincident with the SWIFT_BAT event (trignum=1297508). ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Fri 21 Mar 25 00:43:26 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 59 TRIGGER_NUM: 764210564 GRB_RA: 298.680d {+19h 54m 43s} (J2000), 298.955d {+19h 55m 49s} (current), 298.134d {+19h 52m 32s} (1950) GRB_DEC: +21.140d {+21d 08' 24"} (J2000), +21.208d {+21d 12' 28"} (current), +21.008d {+21d 00' 27"} (1950) GRB_ERROR: 5.51 [deg radius, statistical only] DATA_SIGNIF: 16.20 [sigma] DATA_INTERVAL: 1.024 [sec] GRB_DATE: 20755 TJD; 80 DOY; 25/03/21 GRB_TIME: 2559.02 SOD {00:42:39.02} UT GRB_PHI: 305.00 [deg] GRB_THETA: 40.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 0.60d {+00h 02m 25s} +0.26d {+00d 15' 43"} SUN_DIST: 63.62 [deg] Sun_angle= 4.1 [hr] (West of Sun) MOON_POSTN: 252.05d {+16h 48m 11s} -27.65d {-27d 39' 12"} MOON_DIST: 66.66 [deg] MOON_ILLUM: 64 [%] GAL_COORDS: 58.89, -3.55 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 306.39, 41.02 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250321030/quicklook/glg_lc_medres34_bn250321030.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_764210564.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. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(1.0<100sec) coincident with the SWIFT_BAT event (trignum=1297508). ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Fri 21 Mar 25 00:44:37 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 0 TRIGGER_NUM: 764210564 GRB_RA: 297.930d {+19h 51m 43s} (J2000), 298.198d {+19h 52m 48s} (current), 297.399d {+19h 49m 36s} (1950) GRB_DEC: +23.960d {+23d 57' 36"} (J2000), +24.026d {+24d 01' 34"} (current), +23.831d {+23d 49' 51"} (1950) GRB_ERROR: 4.08 [deg radius, statistical only] DATA_SIGNIF: 13.20 [sigma] DATA_INTERVAL: 6.144 [sec] GRB_DATE: 20755 TJD; 80 DOY; 25/03/21 GRB_TIME: 2559.02 SOD {00:42:39.02} UT GRB_PHI: 305.00 [deg] GRB_THETA: 37.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 0.60d {+00h 02m 25s} +0.26d {+00d 15' 44"} SUN_DIST: 64.85 [deg] Sun_angle= 4.2 [hr] (West of Sun) MOON_POSTN: 252.06d {+16h 48m 14s} -27.65d {-27d 39' 17"} MOON_DIST: 68.19 [deg] MOON_ILLUM: 64 [%] GAL_COORDS: 60.96, -1.51 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 306.46, 43.93 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250321030/quicklook/glg_lc_medres34_bn250321030.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_764210564.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(1.0<100sec) coincident with the SWIFT_BAT event (trignum=1297508). ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Fri 21 Mar 25 00:51:58 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 764210564 GRB_RA: 298.990d {+19h 55m 58s} (J2000), 299.275d {+19h 57m 06s} (current), 298.424d {+19h 53m 42s} (1950) GRB_DEC: +17.120d {+17d 07' 12"} (J2000), +17.188d {+17d 11' 18"} (current), +16.986d {+16d 59' 11"} (1950) GRB_ERROR: 6.28 [deg radius, statistical only] GRB_DATE: 20755 TJD; 80 DOY; 25/03/21 GRB_TIME: 2559.02 SOD {00:42:39.02} UT GRB_PHI: 304.00 [deg] GRB_THETA: 44.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 0.61d {+00h 02m 26s} +0.26d {+00d 15' 51"} SUN_DIST: 62.64 [deg] Sun_angle= 4.1 [hr] (West of Sun) MOON_POSTN: 252.13d {+16h 48m 30s} -27.66d {-27d 39' 49"} MOON_DIST: 64.01 [deg] MOON_ILLUM: 64 [%] GAL_COORDS: 55.58, -5.86 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 305.48, 37.06 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250321030/quicklook/glg_lc_medres34_bn250321030.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250321030/quicklook/glg_locplot_all_bn250321030.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(1.0<100sec) coincident with the SWIFT_BAT event (trignum=1297508).