////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 18 Feb 25 21:16:12 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 761606171 GRB_DATE: 20724 TJD; 49 DOY; 25/02/18 GRB_TIME: 76566.45 SOD {21:16:06.45} UT TRIGGER_SIGNIF: 4.6 [sigma] TRIGGER_DUR: 1.024 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 12 DETECTORS: 0,1,0, 0,0,0, 0,0,0, 1,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250218886/quicklook/glg_lc_medres34_bn250218886.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 259.85,21.82 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 18 Feb 25 21:16:25 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 45 TRIGGER_NUM: 761606171 GRB_RA: 190.350d {+12h 41m 24s} (J2000), 190.652d {+12h 42m 36s} (current), 189.748d {+12h 39m 00s} (1950) GRB_DEC: +38.283d {+38d 16' 60"} (J2000), +38.146d {+38d 08' 45"} (current), +38.557d {+38d 33' 27"} (1950) GRB_ERROR: 50.00 [deg radius, statistical plus systematic] GRB_INTEN: 0 [cnts/sec] DATA_SIGNIF: 5.80 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 20724 TJD; 49 DOY; 25/02/18 GRB_TIME: 76566.45 SOD {21:16:06.45} UT GRB_PHI: 210.00 [deg] GRB_THETA: 170.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.00 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 100% Below horizon 2nd_MOST_LIKELY: 0% n/a DETECTORS: 0,1,0, 0,0,0, 0,0,0, 1,0,0, 0,0, SUN_POSTN: 332.54d {+22h 10m 10s} -11.30d {-11d 18' 09"} SUN_DIST: 136.71 [deg] Sun_angle= 9.5 [hr] (West of Sun) MOON_POSTN: 216.60d {+14h 26m 23s} -18.30d {-18d 17' 44"} MOON_DIST: 61.48 [deg] MOON_ILLUM: 67 [%] GAL_COORDS: 132.99, 78.65 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 171.38, 38.65 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250218886/quicklook/glg_lc_medres34_bn250218886.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 259.85,21.82 [deg]. COMMENTS: WARNING: This Notice was received with a negative intensity field -- INTEN was set to 0. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 18 Feb 25 21:16:34 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 58 TRIGGER_NUM: 761606171 GRB_RA: 190.683d {+12h 42m 44s} (J2000), 190.985d {+12h 43m 56s} (current), 190.083d {+12h 40m 20s} (1950) GRB_DEC: +38.267d {+38d 16' 00"} (J2000), +38.129d {+38d 07' 45"} (current), +38.541d {+38d 32' 26"} (1950) GRB_ERROR: 50.00 [deg radius, statistical plus systematic] GRB_INTEN: 0 [cnts/sec] DATA_SIGNIF: 22.60 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 20724 TJD; 49 DOY; 25/02/18 GRB_TIME: 76566.45 SOD {21:16:06.45} UT GRB_PHI: 210.00 [deg] GRB_THETA: 170.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.00 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 100% Below horizon 2nd_MOST_LIKELY: 0% n/a DETECTORS: 0,1,0, 0,0,0, 0,0,0, 1,0,0, 0,0, SUN_POSTN: 332.54d {+22h 10m 10s} -11.30d {-11d 18' 09"} SUN_DIST: 136.48 [deg] Sun_angle= 9.4 [hr] (West of Sun) MOON_POSTN: 216.60d {+14h 26m 23s} -18.30d {-18d 17' 46"} MOON_DIST: 61.34 [deg] MOON_ILLUM: 67 [%] GAL_COORDS: 131.69, 78.71 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 171.68, 38.76 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250218886/quicklook/glg_lc_medres34_bn250218886.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 259.85,21.82 [deg]. COMMENTS: WARNING: This Notice was received with a negative intensity field -- INTEN was set to 0. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 18 Feb 25 21:16:40 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 69 TRIGGER_NUM: 761606171 GRB_RA: 190.933d {+12h 43m 44s} (J2000), 191.234d {+12h 44m 56s} (current), 190.333d {+12h 41m 20s} (1950) GRB_DEC: +38.250d {+38d 15' 00"} (J2000), +38.113d {+38d 06' 46"} (current), +38.524d {+38d 31' 25"} (1950) GRB_ERROR: 50.00 [deg radius, statistical plus systematic] GRB_INTEN: 0 [cnts/sec] DATA_SIGNIF: 33.50 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 20724 TJD; 49 DOY; 25/02/18 GRB_TIME: 76566.45 SOD {21:16:06.45} UT GRB_PHI: 210.00 [deg] GRB_THETA: 170.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.00 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 100% Below horizon 2nd_MOST_LIKELY: 0% n/a DETECTORS: 0,1,0, 0,0,0, 0,0,0, 1,0,0, 0,0, SUN_POSTN: 332.54d {+22h 10m 10s} -11.30d {-11d 18' 09"} SUN_DIST: 136.32 [deg] Sun_angle= 9.4 [hr] (West of Sun) MOON_POSTN: 216.60d {+14h 26m 23s} -18.30d {-18d 17' 47"} MOON_DIST: 61.23 [deg] MOON_ILLUM: 67 [%] GAL_COORDS: 130.72, 78.76 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 171.91, 38.85 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250218886/quicklook/glg_lc_medres34_bn250218886.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 259.85,21.82 [deg]. COMMENTS: WARNING: This Notice was received with a negative intensity field -- INTEN was set to 0. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 18 Feb 25 21:17:01 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 92 TRIGGER_NUM: 761606171 GRB_RA: 191.683d {+12h 46m 44s} (J2000), 191.983d {+12h 47m 56s} (current), 191.086d {+12h 44m 21s} (1950) GRB_DEC: +38.217d {+38d 13' 00"} (J2000), +38.080d {+38d 04' 47"} (current), +38.490d {+38d 29' 23"} (1950) GRB_ERROR: 50.00 [deg radius, statistical plus systematic] GRB_INTEN: 0 [cnts/sec] DATA_SIGNIF: 50.90 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 20724 TJD; 49 DOY; 25/02/18 GRB_TIME: 76566.45 SOD {21:16:06.45} UT GRB_PHI: 210.00 [deg] GRB_THETA: 170.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.00 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 100% Below horizon 2nd_MOST_LIKELY: 0% n/a DETECTORS: 0,1,0, 0,0,0, 0,0,0, 1,0,0, 0,0, SUN_POSTN: 332.54d {+22h 10m 10s} -11.30d {-11d 18' 08"} SUN_DIST: 135.81 [deg] Sun_angle= 9.4 [hr] (West of Sun) MOON_POSTN: 216.60d {+14h 26m 24s} -18.30d {-18d 17' 51"} MOON_DIST: 60.94 [deg] MOON_ILLUM: 67 [%] GAL_COORDS: 127.72, 78.87 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 172.59, 39.11 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250218886/quicklook/glg_lc_medres34_bn250218886.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 259.85,21.82 [deg]. COMMENTS: WARNING: This Notice was received with a negative intensity field -- INTEN was set to 0. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger.