////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 18 Feb 25 18:58:30 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 761597910 GRB_DATE: 20724 TJD; 49 DOY; 25/02/18 GRB_TIME: 68305.04 SOD {18:58:25.04} UT TRIGGER_SIGNIF: 4.3 [sigma] TRIGGER_DUR: 0.512 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 10 DETECTORS: 0,0,1, 0,0,0, 1,0,0, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250218791/quicklook/glg_lc_medres34_bn250218791.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 131.73,-24.58 [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 18:58:54 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 44 TRIGGER_NUM: 761597910 GRB_RA: 179.567d {+11h 58m 16s} (J2000), 179.885d {+11h 59m 33s} (current), 178.944d {+11h 55m 46s} (1950) GRB_DEC: -78.300d {-78d 17' 59"} (J2000), -78.440d {-78d 26' 23"} (current), -78.022d {-78d 01' 17"} (1950) GRB_ERROR: 17.23 [deg radius, statistical plus systematic] GRB_INTEN: 48 [cnts/sec] DATA_SIGNIF: 4.50 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 20724 TJD; 49 DOY; 25/02/18 GRB_TIME: 68305.04 SOD {18:58:25.04} UT GRB_PHI: 120.00 [deg] GRB_THETA: 5.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.79 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 91% GRB 2nd_MOST_LIKELY: 5% Distant Particles DETECTORS: 0,0,1, 0,0,0, 1,0,0, 0,0,0, 0,0, SUN_POSTN: 332.45d {+22h 09m 48s} -11.34d {-11d 20' 11"} SUN_DIST: 88.96 [deg] Sun_angle= 10.2 [hr] (West of Sun) MOON_POSTN: 215.50d {+14h 22m 00s} -17.86d {-17d 51' 42"} MOON_DIST: 62.90 [deg] MOON_ILLUM: 68 [%] GAL_COORDS: 300.16,-15.72 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 242.41,-64.03 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250218791/quicklook/glg_lc_medres34_bn250218791.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 131.73,-24.58 [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 18:59:03 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 58 TRIGGER_NUM: 761597910 GRB_RA: 82.217d {+05h 28m 52s} (J2000), 83.238d {+05h 32m 57s} (current), 80.194d {+05h 20m 46s} (1950) GRB_DEC: +78.767d {+78d 46' 00"} (J2000), +78.784d {+78d 47' 04"} (current), +78.724d {+78d 43' 27"} (1950) GRB_ERROR: 11.53 [deg radius, statistical plus systematic] GRB_INTEN: 73 [cnts/sec] DATA_SIGNIF: 6.70 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 20724 TJD; 49 DOY; 25/02/18 GRB_TIME: 68305.04 SOD {18:58:25.04} UT GRB_PHI: 220.00 [deg] GRB_THETA: 165.00 [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: 0,0,1, 0,0,0, 1,0,0, 0,0,0, 0,0, SUN_POSTN: 332.45d {+22h 09m 48s} -11.34d {-11d 20' 11"} SUN_DIST: 105.10 [deg] Sun_angle= -7.4 [hr] (East of Sun) MOON_POSTN: 215.50d {+14h 22m 01s} -17.86d {-17d 51' 43"} MOON_DIST: 115.17 [deg] MOON_ILLUM: 68 [%] GAL_COORDS: 134.33, 22.71 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 87.34, 55.40 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250218791/quicklook/glg_lc_medres34_bn250218791.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 131.73,-24.58 [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 18:59:13 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 69 TRIGGER_NUM: 761597910 GRB_RA: 72.233d {+04h 48m 56s} (J2000), 73.795d {+04h 55m 11s} (current), 69.186d {+04h 36m 45s} (1950) GRB_DEC: +83.817d {+83d 49' 00"} (J2000), +83.858d {+83d 51' 27"} (current), +83.725d {+83d 43' 29"} (1950) GRB_ERROR: 50.00 [deg radius, statistical plus systematic] GRB_INTEN: 0 [cnts/sec] DATA_SIGNIF: 10.30 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 20724 TJD; 49 DOY; 25/02/18 GRB_TIME: 68305.04 SOD {18:58:25.04} 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% Unreliable location 2nd_MOST_LIKELY: 0% n/a DETECTORS: 0,0,1, 0,0,0, 1,0,0, 0,0,0, 0,0, SUN_POSTN: 332.45d {+22h 09m 48s} -11.34d {-11d 20' 11"} SUN_DIST: 102.48 [deg] Sun_angle= -6.8 [hr] (East of Sun) MOON_POSTN: 215.50d {+14h 22m 01s} -17.86d {-17d 51' 45"} MOON_DIST: 112.64 [deg] MOON_ILLUM: 68 [%] GAL_COORDS: 128.75, 23.86 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 86.16, 60.62 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250218791/quicklook/glg_lc_medres34_bn250218791.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 131.73,-24.58 [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 18:59:18 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 73 TRIGGER_NUM: 761597910 GRB_RA: 74.400d {+04h 57m 36s} (J2000), 75.931d {+05h 03m 44s} (current), 71.403d {+04h 45m 37s} (1950) GRB_DEC: +83.600d {+83d 35' 60"} (J2000), +83.636d {+83d 38' 09"} (current), +83.518d {+83d 31' 05"} (1950) GRB_ERROR: 50.00 [deg radius, statistical plus systematic] GRB_INTEN: 0 [cnts/sec] DATA_SIGNIF: 15.40 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 20724 TJD; 49 DOY; 25/02/18 GRB_TIME: 68305.04 SOD {18:58:25.04} 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: 0,0,1, 0,0,0, 1,0,0, 0,0,0, 0,0, SUN_POSTN: 332.45d {+22h 09m 48s} -11.34d {-11d 20' 11"} SUN_DIST: 102.75 [deg] Sun_angle= -6.9 [hr] (East of Sun) MOON_POSTN: 215.50d {+14h 22m 01s} -17.86d {-17d 51' 46"} MOON_DIST: 112.65 [deg] MOON_ILLUM: 68 [%] GAL_COORDS: 129.09, 23.95 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 86.53, 60.35 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250218791/quicklook/glg_lc_medres34_bn250218791.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 131.73,-24.58 [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.