////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 20 May 26 09:37:04 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 800962557 GRB_DATE: 21180 TJD; 140 DOY; 26/05/20 GRB_TIME: 34552.73 SOD {09:35:52.73} UT TRIGGER_SIGNIF: 4.7 [sigma] TRIGGER_DUR: 4.096 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 16 DETECTORS: 0,0,0, 0,0,0, 0,1,0, 1,0,1, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260520400/quicklook/glg_lc_medres34_bn260520400.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 20.20,2.37 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 20 May 26 09:37:12 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 47 TRIGGER_NUM: 800962557 GRB_RA: 326.050d {+21h 44m 12s} (J2000), 326.318d {+21h 45m 16s} (current), 325.542d {+21h 42m 10s} (1950) GRB_DEC: +40.367d {+40d 22' 00"} (J2000), +40.489d {+40d 29' 19"} (current), +40.136d {+40d 08' 11"} (1950) GRB_ERROR: 30.98 [deg radius, statistical plus systematic] GRB_INTEN: 46 [cnts/sec] DATA_SIGNIF: 4.60 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21180 TJD; 140 DOY; 26/05/20 GRB_TIME: 34552.73 SOD {09:35:52.73} UT GRB_PHI: 193.00 [deg] GRB_THETA: 35.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 1.32 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 95% GRB 2nd_MOST_LIKELY: 2% Solar Flare DETECTORS: 0,0,0, 0,0,0, 0,1,0, 1,0,1, 0,0, SUN_POSTN: 57.20d {+03h 48m 47s} +20.02d {+20d 01' 09"} SUN_DIST: 77.80 [deg] Sun_angle= 6.1 [hr] (West of Sun) MOON_POSTN: 111.87d {+07h 27m 30s} +25.62d {+25d 37' 07"} MOON_DIST: 106.55 [deg] MOON_ILLUM: 18 [%] GAL_COORDS: 88.63, -9.72 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 348.14, 49.77 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260520400/quicklook/glg_lc_medres34_bn260520400.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 20.20,2.37 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 20 May 26 09:37:27 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 57 TRIGGER_NUM: 800962557 GRB_RA: 320.430d {+21h 21m 43s} (J2000), 320.683d {+21h 22m 44s} (current), 319.951d {+21h 19m 48s} (1950) GRB_DEC: +42.360d {+42d 21' 36"} (J2000), +42.473d {+42d 28' 24"} (current), +42.146d {+42d 08' 46"} (1950) GRB_ERROR: 16.50 [deg radius, statistical only] DATA_SIGNIF: 5.70 [sigma] DATA_INTERVAL: 4.096 [sec] GRB_DATE: 21180 TJD; 140 DOY; 26/05/20 GRB_TIME: 34552.73 SOD {09:35:52.73} UT GRB_PHI: 187.00 [deg] GRB_THETA: 38.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 57.20d {+03h 48m 47s} +20.02d {+20d 01' 09"} SUN_DIST: 81.23 [deg] Sun_angle= 6.4 [hr] (West of Sun) MOON_POSTN: 111.88d {+07h 27m 31s} +25.62d {+25d 37' 05"} MOON_DIST: 106.91 [deg] MOON_ILLUM: 18 [%] GAL_COORDS: 86.90, -5.38 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 343.95, 53.65 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260520400/quicklook/glg_lc_medres34_bn260520400.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_800962557.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: Wed 20 May 26 09:40:15 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 0 TRIGGER_NUM: 800962557 GRB_RA: 320.420d {+21h 21m 41s} (J2000), 320.673d {+21h 22m 42s} (current), 319.941d {+21h 19m 46s} (1950) GRB_DEC: +42.280d {+42d 16' 48"} (J2000), +42.393d {+42d 23' 36"} (current), +42.066d {+42d 03' 58"} (1950) GRB_ERROR: 16.05 [deg radius, statistical only] DATA_SIGNIF: 5.70 [sigma] DATA_INTERVAL: 4.096 [sec] GRB_DATE: 21180 TJD; 140 DOY; 26/05/20 GRB_TIME: 34552.73 SOD {09:35:52.73} UT GRB_PHI: 187.00 [deg] GRB_THETA: 38.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 57.20d {+03h 48m 48s} +20.02d {+20d 01' 10"} SUN_DIST: 81.26 [deg] Sun_angle= 6.4 [hr] (West of Sun) MOON_POSTN: 111.91d {+07h 27m 38s} +25.61d {+25d 36' 44"} MOON_DIST: 107.00 [deg] MOON_ILLUM: 18 [%] GAL_COORDS: 86.84, -5.43 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 343.87, 53.59 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260520400/quicklook/glg_lc_medres34_bn260520400.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_800962557.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: Wed 20 May 26 16:37:45 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 800962557 GRB_RA: 346.680d {+23h 06m 43s} (J2000), 346.990d {+23h 07m 58s} (current), 346.094d {+23h 04m 22s} (1950) GRB_DEC: +39.680d {+39d 40' 48"} (J2000), +39.823d {+39d 49' 23"} (current), +39.409d {+39d 24' 34"} (1950) GRB_ERROR: 14.01 [deg radius, statistical only] GRB_DATE: 21180 TJD; 140 DOY; 26/05/20 GRB_TIME: 34552.73 SOD {09:35:52.73} UT GRB_PHI: 209.01 [deg] GRB_THETA: 21.00 [deg] E_RANGE: 50.000 - 300.000 [keV] LOC_ALGORITHM: 415 (Gnd S/W Version number) SUN_POSTN: 57.49d {+03h 49m 58s} +20.08d {+20d 04' 46"} SUN_DIST: 62.57 [deg] Sun_angle= 4.7 [hr] (West of Sun) MOON_POSTN: 116.45d {+07h 45m 47s} +24.67d {+24d 40' 19"} MOON_DIST: 100.15 [deg] MOON_ILLUM: 21 [%] GAL_COORDS: 101.90,-18.88 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 6.95, 41.02 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260520400/quicklook/glg_lc_medres34_bn260520400.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260520400/quicklook/glg_locplot_all_bn260520400.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 has human-in-the-loop processing.