////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 20 Feb 25 22:09:05 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 761782146 GRB_DATE: 20726 TJD; 51 DOY; 25/02/20 GRB_TIME: 79741.82 SOD {22:09:01.82} UT TRIGGER_SIGNIF: 4.7 [sigma] TRIGGER_DUR: 1.024 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 12 DETECTORS: 0,0,0, 0,0,0, 0,0,0, 0,1,1, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250220923/quicklook/glg_lc_medres34_bn250220923.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 240.68,23.70 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 20 Feb 25 22:09:07 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 46 TRIGGER_NUM: 761782146 GRB_RA: 312.400d {+20h 49m 36s} (J2000), 312.540d {+20h 50m 09s} (current), 312.122d {+20h 48m 29s} (1950) GRB_DEC: +60.467d {+60d 28' 00"} (J2000), +60.561d {+60d 33' 40"} (current), +60.279d {+60d 16' 46"} (1950) GRB_ERROR: 16.17 [deg radius, statistical plus systematic] GRB_INTEN: 64 [cnts/sec] DATA_SIGNIF: 7.80 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 20726 TJD; 51 DOY; 25/02/20 GRB_TIME: 79741.82 SOD {22:09:01.82} UT GRB_PHI: 270.00 [deg] GRB_THETA: 20.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.00 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 100% Unreliable location 2nd_MOST_LIKELY: 0% n/a DETECTORS: 0,0,0, 0,0,0, 0,0,0, 0,1,1, 0,0, SUN_POSTN: 334.50d {+22h 17m 59s} -10.57d {-10d 34' 18"} SUN_DIST: 73.24 [deg] Sun_angle= 1.5 [hr] (West of Sun) MOON_POSTN: 241.55d {+16h 06m 13s} -25.81d {-25d 48' 47"} MOON_DIST: 103.60 [deg] MOON_ILLUM: 48 [%] GAL_COORDS: 97.08, 10.40 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 2.09, 70.57 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250220923/quicklook/glg_lc_medres34_bn250220923.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 240.68,23.70 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 20 Feb 25 22:09:13 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 58 TRIGGER_NUM: 761782146 GRB_RA: 313.067d {+20h 52m 16s} (J2000), 313.207d {+20h 52m 50s} (current), 312.787d {+20h 51m 09s} (1950) GRB_DEC: +60.633d {+60d 37' 60"} (J2000), +60.729d {+60d 43' 44"} (current), +60.444d {+60d 26' 37"} (1950) GRB_ERROR: 7.58 [deg radius, statistical plus systematic] GRB_INTEN: 196 [cnts/sec] DATA_SIGNIF: 19.70 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 20726 TJD; 51 DOY; 25/02/20 GRB_TIME: 79741.82 SOD {22:09:01.82} UT GRB_PHI: 270.00 [deg] GRB_THETA: 20.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.90 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 94% GRB 2nd_MOST_LIKELY: 4% Cyg X-1 DETECTORS: 0,0,0, 0,0,0, 0,0,0, 0,1,1, 0,0, SUN_POSTN: 334.50d {+22h 17m 59s} -10.57d {-10d 34' 18"} SUN_DIST: 73.27 [deg] Sun_angle= 1.4 [hr] (West of Sun) MOON_POSTN: 241.55d {+16h 06m 13s} -25.81d {-25d 48' 48"} MOON_DIST: 103.96 [deg] MOON_ILLUM: 48 [%] GAL_COORDS: 97.42, 10.24 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 3.07, 70.41 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250220923/quicklook/glg_lc_medres34_bn250220923.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 240.68,23.70 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 20 Feb 25 22:09:20 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 57 TRIGGER_NUM: 761782146 GRB_RA: 353.750d {+23h 35m 00s} (J2000), 354.043d {+23h 36m 10s} (current), 353.171d {+23h 32m 41s} (1950) GRB_DEC: +62.900d {+62d 53' 60"} (J2000), +63.039d {+63d 02' 21"} (current), +62.623d {+62d 37' 24"} (1950) GRB_ERROR: 111.90 [deg radius, statistical only] DATA_SIGNIF: 16.70 [sigma] DATA_INTERVAL: 4.096 [sec] GRB_DATE: 20726 TJD; 51 DOY; 25/02/20 GRB_TIME: 79741.82 SOD {22:09:01.82} UT GRB_PHI: 200.00 [deg] GRB_THETA: 3.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 334.50d {+22h 17m 59s} -10.57d {-10d 34' 17"} SUN_DIST: 75.14 [deg] Sun_angle= -1.3 [hr] (East of Sun) MOON_POSTN: 241.55d {+16h 06m 13s} -25.81d {-25d 48' 48"} MOON_DIST: 122.97 [deg] MOON_ILLUM: 48 [%] GAL_COORDS: 114.35, 1.31 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 34.27, 56.77 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250220923/quicklook/glg_lc_medres34_bn250220923.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_761782146.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 20 Feb 25 22:09:21 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 69 TRIGGER_NUM: 761782146 GRB_RA: 313.733d {+20h 54m 56s} (J2000), 313.874d {+20h 55m 30s} (current), 313.452d {+20h 53m 49s} (1950) GRB_DEC: +60.800d {+60d 47' 60"} (J2000), +60.897d {+60d 53' 49"} (current), +60.608d {+60d 36' 29"} (1950) GRB_ERROR: 6.18 [deg radius, statistical plus systematic] GRB_INTEN: 287 [cnts/sec] DATA_SIGNIF: 29.00 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 20726 TJD; 51 DOY; 25/02/20 GRB_TIME: 79741.82 SOD {22:09:01.82} UT GRB_PHI: 270.00 [deg] GRB_THETA: 20.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.90 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 91% GRB 2nd_MOST_LIKELY: 6% Cyg X-1 DETECTORS: 0,0,0, 0,0,0, 0,0,0, 0,1,1, 0,0, SUN_POSTN: 334.50d {+22h 17m 59s} -10.57d {-10d 34' 17"} SUN_DIST: 73.31 [deg] Sun_angle= 1.4 [hr] (West of Sun) MOON_POSTN: 241.55d {+16h 06m 13s} -25.81d {-25d 48' 49"} MOON_DIST: 104.33 [deg] MOON_ILLUM: 48 [%] GAL_COORDS: 97.76, 10.09 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 4.04, 70.24 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250220923/quicklook/glg_lc_medres34_bn250220923.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 240.68,23.70 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 20 Feb 25 22:09:25 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 72 TRIGGER_NUM: 761782146 GRB_RA: 313.067d {+20h 52m 16s} (J2000), 313.158d {+20h 52m 38s} (current), 312.884d {+20h 51m 32s} (1950) GRB_DEC: +66.100d {+66d 05' 60"} (J2000), +66.196d {+66d 11' 44"} (current), +65.910d {+65d 54' 37"} (1950) GRB_ERROR: 6.03 [deg radius, statistical plus systematic] GRB_INTEN: 406 [cnts/sec] DATA_SIGNIF: 43.40 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 20726 TJD; 51 DOY; 25/02/20 GRB_TIME: 79741.82 SOD {22:09:01.82} UT GRB_PHI: 255.00 [deg] GRB_THETA: 20.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.87 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 94% GRB 2nd_MOST_LIKELY: 4% Cyg X-1 DETECTORS: 0,0,0, 0,0,0, 0,0,0, 0,1,1, 0,0, SUN_POSTN: 334.50d {+22h 17m 59s} -10.57d {-10d 34' 17"} SUN_DIST: 78.36 [deg] Sun_angle= 1.4 [hr] (West of Sun) MOON_POSTN: 241.56d {+16h 06m 13s} -25.81d {-25d 48' 49"} MOON_DIST: 106.48 [deg] MOON_ILLUM: 48 [%] GAL_COORDS: 101.82, 13.62 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 18.42, 73.05 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250220923/quicklook/glg_lc_medres34_bn250220923.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 240.68,23.70 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 20 Feb 25 22:10:37 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 0 TRIGGER_NUM: 761782146 GRB_RA: 315.090d {+21h 00m 22s} (J2000), 315.218d {+21h 00m 52s} (current), 314.835d {+20h 59m 20s} (1950) GRB_DEC: +63.020d {+63d 01' 12"} (J2000), +63.119d {+63d 07' 09"} (current), +62.823d {+62d 49' 24"} (1950) GRB_ERROR: 1.72 [deg radius, statistical only] DATA_SIGNIF: 12.20 [sigma] DATA_INTERVAL: 6.144 [sec] GRB_DATE: 20726 TJD; 51 DOY; 25/02/20 GRB_TIME: 79741.82 SOD {22:09:01.82} UT GRB_PHI: 263.00 [deg] GRB_THETA: 18.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 334.50d {+22h 17m 59s} -10.57d {-10d 34' 16"} SUN_DIST: 75.17 [deg] Sun_angle= 1.3 [hr] (West of Sun) MOON_POSTN: 241.57d {+16h 06m 16s} -25.82d {-25d 48' 57"} MOON_DIST: 105.89 [deg] MOON_ILLUM: 48 [%] GAL_COORDS: 99.92, 11.01 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 10.68, 70.91 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250220923/quicklook/glg_lc_medres34_bn250220923.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_761782146.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: Thu 20 Feb 25 22:10:47 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 1 TRIGGER_NUM: 761782146 GRB_RA: 315.400d {+21h 01m 36s} (J2000), 315.517d {+21h 02m 04s} (current), 315.166d {+21h 00m 40s} (1950) GRB_DEC: +64.360d {+64d 21' 36"} (J2000), +64.460d {+64d 27' 35"} (current), +64.162d {+64d 09' 44"} (1950) GRB_ERROR: 1.27 [deg radius, statistical only] DATA_SIGNIF: 19.60 [sigma] DATA_INTERVAL: 8.192 [sec] GRB_DATE: 20726 TJD; 51 DOY; 25/02/20 GRB_TIME: 79741.82 SOD {22:09:01.82} UT GRB_PHI: 259.00 [deg] GRB_THETA: 18.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 334.50d {+22h 17m 59s} -10.57d {-10d 34' 16"} SUN_DIST: 76.39 [deg] Sun_angle= 1.3 [hr] (West of Sun) MOON_POSTN: 241.57d {+16h 06m 16s} -25.82d {-25d 48' 58"} MOON_DIST: 106.60 [deg] MOON_ILLUM: 48 [%] GAL_COORDS: 101.06, 11.77 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 14.53, 71.44 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250220923/quicklook/glg_lc_medres34_bn250220923.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_761782146.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: Thu 20 Feb 25 22:11:09 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 3 TRIGGER_NUM: 761782146 GRB_RA: 192.030d {+12h 48m 07s} (J2000), 192.409d {+12h 49m 38s} (current), 191.282d {+12h 45m 08s} (1950) GRB_DEC: -62.510d {-62d 30' 35"} (J2000), -62.647d {-62d 38' 47"} (current), -62.237d {-62d 14' 13"} (1950) GRB_ERROR: 1.00 [deg radius, statistical only] DATA_SIGNIF: 37.00 [sigma] DATA_INTERVAL: 13.312 [sec] GRB_DATE: 20726 TJD; 51 DOY; 25/02/20 GRB_TIME: 79741.82 SOD {22:09:01.82} UT GRB_PHI: 315.00 [deg] GRB_THETA: 171.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 334.50d {+22h 17m 59s} -10.57d {-10d 34' 16"} SUN_DIST: 101.15 [deg] Sun_angle= 9.5 [hr] (West of Sun) MOON_POSTN: 241.57d {+16h 06m 17s} -25.82d {-25d 49' 01"} MOON_DIST: 48.91 [deg] MOON_ILLUM: 48 [%] GAL_COORDS: 302.55, 0.36 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 224.34,-50.86 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250220923/quicklook/glg_lc_medres34_bn250220923.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_761782146.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 Feb 25 22:18:18 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 761782146 GRB_RA: 194.550d {+12h 58m 12s} (J2000), 194.936d {+12h 59m 45s} (current), 193.788d {+12h 55m 09s} (1950) GRB_DEC: -60.860d {-60d 51' 35"} (J2000), -60.995d {-60d 59' 42"} (current), -60.590d {-60d 35' 23"} (1950) GRB_ERROR: 1.00 [deg radius, statistical only] GRB_DATE: 20726 TJD; 51 DOY; 25/02/20 GRB_TIME: 79741.82 SOD {22:09:01.82} UT GRB_PHI: 309.00 [deg] GRB_THETA: 171.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 334.50d {+22h 18m 01s} -10.57d {-10d 34' 09"} SUN_DIST: 101.68 [deg] Sun_angle= 9.3 [hr] (West of Sun) MOON_POSTN: 241.64d {+16h 06m 33s} -25.83d {-25d 49' 49"} MOON_DIST: 47.13 [deg] MOON_ILLUM: 48 [%] GAL_COORDS: 303.76, 2.00 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 224.28,-48.82 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250220923/quicklook/glg_lc_medres34_bn250220923.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250220923/quicklook/glg_locplot_all_bn250220923.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.