////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 20 Mar 25 06:05:54 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 764143549 GRB_DATE: 20754 TJD; 79 DOY; 25/03/20 GRB_TIME: 21944.58 SOD {06:05:44.58} UT TRIGGER_SIGNIF: 4.4 [sigma] TRIGGER_DUR: 0.512 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 10 DETECTORS: 0,0,1, 0,0,0, 0,0,0, 0,1,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250320254/quicklook/glg_lc_medres34_bn250320254.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 43.95,-11.80 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 20 Mar 25 06:06:03 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 44 TRIGGER_NUM: 764143549 GRB_RA: 336.183d {+22h 24m 44s} (J2000), 331.406d {+22h 05m 37s} (current), 341.689d {+22h 46m 45s} (1950) GRB_DEC: +89.250d {+89d 15' 00"} (J2000), +89.376d {+89d 22' 35"} (current), +88.988d {+88d 59' 17"} (1950) GRB_ERROR: 18.13 [deg radius, statistical plus systematic] GRB_INTEN: 216 [cnts/sec] DATA_SIGNIF: 8.30 [sigma] INTEG_TIME: 2.048 [sec] GRB_DATE: 20754 TJD; 79 DOY; 25/03/20 GRB_TIME: 21944.58 SOD {06:05:44.58} UT GRB_PHI: 79.00 [deg] GRB_THETA: 145.00 [deg] DATA_TIME_SCALE: 2.0480 [sec] HARD_RATIO: 0.54 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 91% GRB 2nd_MOST_LIKELY: 4% Generic Transient DETECTORS: 0,0,1, 0,0,0, 0,0,0, 0,1,0, 0,0, SUN_POSTN: 359.90d {+23h 59m 35s} -0.04d {-00d 02' 40"} SUN_DIST: 89.50 [deg] Sun_angle= 1.9 [hr] (West of Sun) MOON_POSTN: 241.79d {+16h 07m 10s} -25.94d {-25d 56' 26"} MOON_DIST: 115.94 [deg] MOON_ILLUM: 71 [%] GAL_COORDS: 122.42, 26.53 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 88.25, 66.85 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250320254/quicklook/glg_lc_medres34_bn250320254.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 43.95,-11.80 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 20 Mar 25 06:06:12 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 58 TRIGGER_NUM: 764143549 GRB_RA: 254.717d {+16h 58m 52s} (J2000), 254.895d {+16h 59m 35s} (current), 254.363d {+16h 57m 27s} (1950) GRB_DEC: +46.833d {+46d 49' 60"} (J2000), +46.797d {+46d 47' 47"} (current), +46.908d {+46d 54' 27"} (1950) GRB_ERROR: 9.93 [deg radius, statistical plus systematic] GRB_INTEN: 158 [cnts/sec] DATA_SIGNIF: 14.50 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 20754 TJD; 79 DOY; 25/03/20 GRB_TIME: 21944.58 SOD {06:05:44.58} UT GRB_PHI: 99.00 [deg] GRB_THETA: 105.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.65 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 91% GRB 2nd_MOST_LIKELY: 5% Cyg X-1 DETECTORS: 0,0,1, 0,0,0, 0,0,0, 0,1,0, 0,0, SUN_POSTN: 359.90d {+23h 59m 35s} -0.04d {-00d 02' 40"} SUN_DIST: 100.24 [deg] Sun_angle= 7.0 [hr] (West of Sun) MOON_POSTN: 241.79d {+16h 07m 10s} -25.94d {-25d 56' 27"} MOON_DIST: 73.70 [deg] MOON_ILLUM: 71 [%] GAL_COORDS: 72.70, 38.30 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 240.24, 68.70 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250320254/quicklook/glg_lc_medres34_bn250320254.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 43.95,-11.80 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 20 Mar 25 06:06:22 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 57 TRIGGER_NUM: 764143549 GRB_RA: 259.920d {+17h 19m 41s} (J2000), 260.085d {+17h 20m 20s} (current), 259.593d {+17h 18m 22s} (1950) GRB_DEC: +48.850d {+48d 51' 00"} (J2000), +48.826d {+48d 49' 32"} (current), +48.900d {+48d 53' 58"} (1950) GRB_ERROR: 4.21 [deg radius, statistical only] DATA_SIGNIF: 13.10 [sigma] DATA_INTERVAL: 4.096 [sec] GRB_DATE: 20754 TJD; 79 DOY; 25/03/20 GRB_TIME: 21944.58 SOD {06:05:44.58} UT GRB_PHI: 95.00 [deg] GRB_THETA: 106.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 359.90d {+23h 59m 35s} -0.04d {-00d 02' 40"} SUN_DIST: 96.48 [deg] Sun_angle= 6.7 [hr] (West of Sun) MOON_POSTN: 241.79d {+16h 07m 11s} -25.94d {-25d 56' 28"} MOON_DIST: 76.54 [deg] MOON_ILLUM: 71 [%] GAL_COORDS: 75.32, 34.86 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 248.67, 71.54 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250320254/quicklook/glg_lc_medres34_bn250320254.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_764143549.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. 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 20 Mar 25 06:06:36 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 89 TRIGGER_NUM: 764143549 GRB_RA: 254.767d {+16h 59m 04s} (J2000), 254.950d {+16h 59m 48s} (current), 254.404d {+16h 57m 37s} (1950) GRB_DEC: +45.933d {+45d 55' 60"} (J2000), +45.897d {+45d 53' 48"} (current), +46.007d {+46d 00' 26"} (1950) GRB_ERROR: 7.37 [deg radius, statistical plus systematic] GRB_INTEN: 256 [cnts/sec] DATA_SIGNIF: 23.20 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 20754 TJD; 79 DOY; 25/03/20 GRB_TIME: 21944.58 SOD {06:05:44.58} UT GRB_PHI: 99.00 [deg] GRB_THETA: 105.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.87 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 95% GRB 2nd_MOST_LIKELY: 3% Cyg X-1 DETECTORS: 0,0,1, 0,0,0, 0,0,0, 0,1,0, 0,0, SUN_POSTN: 359.90d {+23h 59m 35s} -0.04d {-00d 02' 40"} SUN_DIST: 100.37 [deg] Sun_angle= 7.0 [hr] (West of Sun) MOON_POSTN: 241.80d {+16h 07m 11s} -25.94d {-25d 56' 30"} MOON_DIST: 72.83 [deg] MOON_ILLUM: 71 [%] GAL_COORDS: 71.55, 38.25 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 241.01, 67.85 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250320254/quicklook/glg_lc_medres34_bn250320254.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 43.95,-11.80 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 20 Mar 25 06:06:42 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 92 TRIGGER_NUM: 764143549 GRB_RA: 254.767d {+16h 59m 04s} (J2000), 254.950d {+16h 59m 48s} (current), 254.403d {+16h 57m 37s} (1950) GRB_DEC: +45.850d {+45d 51' 00"} (J2000), +45.813d {+45d 48' 48"} (current), +45.924d {+45d 55' 26"} (1950) GRB_ERROR: 6.20 [deg radius, statistical plus systematic] GRB_INTEN: 366 [cnts/sec] DATA_SIGNIF: 34.60 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 20754 TJD; 79 DOY; 25/03/20 GRB_TIME: 21944.58 SOD {06:05:44.58} UT GRB_PHI: 99.00 [deg] GRB_THETA: 105.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.76 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 94% GRB 2nd_MOST_LIKELY: 3% Cyg X-1 DETECTORS: 0,0,1, 0,0,0, 0,0,0, 0,1,0, 0,0, SUN_POSTN: 359.90d {+23h 59m 35s} -0.04d {-00d 02' 40"} SUN_DIST: 100.39 [deg] Sun_angle= 7.0 [hr] (West of Sun) MOON_POSTN: 241.80d {+16h 07m 11s} -25.94d {-25d 56' 30"} MOON_DIST: 72.74 [deg] MOON_ILLUM: 71 [%] GAL_COORDS: 71.45, 38.25 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 241.08, 67.77 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250320254/quicklook/glg_lc_medres34_bn250320254.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 43.95,-11.80 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 20 Mar 25 06:06:50 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 95 TRIGGER_NUM: 764143549 GRB_RA: 254.783d {+16h 59m 08s} (J2000), 254.968d {+16h 59m 52s} (current), 254.418d {+16h 57m 40s} (1950) GRB_DEC: +45.633d {+45d 37' 60"} (J2000), +45.597d {+45d 35' 48"} (current), +45.707d {+45d 42' 26"} (1950) GRB_ERROR: 4.85 [deg radius, statistical plus systematic] GRB_INTEN: 608 [cnts/sec] DATA_SIGNIF: 55.00 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 20754 TJD; 79 DOY; 25/03/20 GRB_TIME: 21944.58 SOD {06:05:44.58} UT GRB_PHI: 99.00 [deg] GRB_THETA: 105.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.72 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 95% GRB 2nd_MOST_LIKELY: 2% Generic Transient DETECTORS: 0,0,1, 0,0,0, 0,0,0, 0,1,0, 0,0, SUN_POSTN: 359.90d {+23h 59m 35s} -0.04d {-00d 02' 39"} SUN_DIST: 100.42 [deg] Sun_angle= 7.0 [hr] (West of Sun) MOON_POSTN: 241.80d {+16h 07m 12s} -25.94d {-25d 56' 31"} MOON_DIST: 72.54 [deg] MOON_ILLUM: 71 [%] GAL_COORDS: 71.17, 38.23 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 241.26, 67.56 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250320254/quicklook/glg_lc_medres34_bn250320254.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 43.95,-11.80 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 20 Mar 25 06:07:16 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 0 TRIGGER_NUM: 764143549 GRB_RA: 263.350d {+17h 33m 24s} (J2000), 263.492d {+17h 33m 58s} (current), 263.069d {+17h 32m 16s} (1950) GRB_DEC: +52.400d {+52d 23' 60"} (J2000), +52.384d {+52d 23' 02"} (current), +52.433d {+52d 25' 59"} (1950) GRB_ERROR: 2.61 [deg radius, statistical only] DATA_SIGNIF: 17.80 [sigma] DATA_INTERVAL: 6.144 [sec] GRB_DATE: 20754 TJD; 79 DOY; 25/03/20 GRB_TIME: 21944.58 SOD {06:05:44.58} UT GRB_PHI: 92.00 [deg] GRB_THETA: 109.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 359.90d {+23h 59m 35s} -0.04d {-00d 02' 39"} SUN_DIST: 93.94 [deg] Sun_angle= 6.4 [hr] (West of Sun) MOON_POSTN: 241.80d {+16h 07m 13s} -25.94d {-25d 56' 34"} MOON_DIST: 80.59 [deg] MOON_ILLUM: 71 [%] GAL_COORDS: 79.72, 32.86 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 253.65, 75.46 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250320254/quicklook/glg_lc_medres34_bn250320254.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_764143549.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. 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: Thu 20 Mar 25 06:07:26 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 1 TRIGGER_NUM: 764143549 GRB_RA: 263.010d {+17h 32m 02s} (J2000), 263.146d {+17h 32m 35s} (current), 262.741d {+17h 30m 58s} (1950) GRB_DEC: +53.330d {+53d 19' 48"} (J2000), +53.313d {+53d 18' 47"} (current), +53.365d {+53d 21' 52"} (1950) GRB_ERROR: 1.85 [deg radius, statistical only] DATA_SIGNIF: 22.20 [sigma] DATA_INTERVAL: 9.216 [sec] GRB_DATE: 20754 TJD; 79 DOY; 25/03/20 GRB_TIME: 21944.58 SOD {06:05:44.58} UT GRB_PHI: 92.00 [deg] GRB_THETA: 110.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 359.90d {+23h 59m 35s} -0.04d {-00d 02' 39"} SUN_DIST: 94.06 [deg] Sun_angle= 6.5 [hr] (West of Sun) MOON_POSTN: 241.80d {+16h 07m 13s} -25.94d {-25d 56' 35"} MOON_DIST: 81.40 [deg] MOON_ILLUM: 71 [%] GAL_COORDS: 80.82, 33.11 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 252.08, 76.33 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250320254/quicklook/glg_lc_medres34_bn250320254.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_764143549.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. 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: Thu 20 Mar 25 06:07:43 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 2 TRIGGER_NUM: 764143549 GRB_RA: 261.800d {+17h 27m 12s} (J2000), 261.945d {+17h 27m 47s} (current), 261.513d {+17h 26m 03s} (1950) GRB_DEC: +52.040d {+52d 02' 24"} (J2000), +52.020d {+52d 01' 13"} (current), +52.080d {+52d 04' 49"} (1950) GRB_ERROR: 1.00 [deg radius, statistical only] DATA_SIGNIF: 27.00 [sigma] DATA_INTERVAL: 16.384 [sec] GRB_DATE: 20754 TJD; 79 DOY; 25/03/20 GRB_TIME: 21944.58 SOD {06:05:44.58} UT GRB_PHI: 93.00 [deg] GRB_THETA: 109.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 359.90d {+23h 59m 35s} -0.04d {-00d 02' 39"} SUN_DIST: 94.92 [deg] Sun_angle= 6.5 [hr] (West of Sun) MOON_POSTN: 241.81d {+16h 07m 14s} -25.94d {-25d 56' 37"} MOON_DIST: 79.94 [deg] MOON_ILLUM: 71 [%] GAL_COORDS: 79.24, 33.80 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 250.29, 74.92 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250320254/quicklook/glg_lc_medres34_bn250320254.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_764143549.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. 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: Thu 20 Mar 25 06:15:04 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 764143549 GRB_RA: 262.970d {+17h 31m 53s} (J2000), 263.142d {+17h 32m 34s} (current), 262.629d {+17h 30m 31s} (1950) GRB_DEC: +47.340d {+47d 20' 24"} (J2000), +47.323d {+47d 19' 23"} (current), +47.375d {+47d 22' 30"} (1950) GRB_ERROR: 1.18 [deg radius, statistical only] GRB_DATE: 20754 TJD; 79 DOY; 25/03/20 GRB_TIME: 21944.58 SOD {06:05:44.58} UT GRB_PHI: 93.00 [deg] GRB_THETA: 105.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 359.90d {+23h 59m 37s} -0.04d {-00d 02' 31"} SUN_DIST: 94.61 [deg] Sun_angle= 6.5 [hr] (West of Sun) MOON_POSTN: 241.87d {+16h 07m 30s} -25.96d {-25d 57' 26"} MOON_DIST: 75.75 [deg] MOON_ILLUM: 71 [%] GAL_COORDS: 73.70, 32.72 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 255.66, 70.43 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250320254/quicklook/glg_lc_medres34_bn250320254.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250320254/quicklook/glg_locplot_all_bn250320254.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: This is likely a Long GRB.