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TITLE: GCN/FERMI NOTICE
NOTICE_DATE: Fri 21 Feb 25 15:48:26 UT
NOTICE_TYPE: Fermi-GBM Alert
RECORD_NUM: 1
TRIGGER_NUM: 761845698
GRB_DATE: 20727 TJD; 52 DOY; 25/02/21
GRB_TIME: 56893.34 SOD {15:48:13.34} UT
TRIGGER_SIGNIF: 5.7 [sigma]
TRIGGER_DUR: 0.064 [sec]
E_RANGE: 2-2 [chan] 23-47 [keV]
ALGORITHM: 25
DETECTORS: 0,0,1, 0,0,1, 0,0,0, 0,0,0, 0,0,
LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250221658/quicklook/glg_lc_medres34_bn250221658.gif
COMMENTS: Fermi-GBM Trigger Alert.
COMMENTS: This trigger occurred at longitude,latitude = 48.68,14.87 [deg].
COMMENTS: The LC_URL file will not be created until ~15 min after the trigger.
//////////////////////////////////////////////////////////////////////
TITLE: GCN/FERMI NOTICE
NOTICE_DATE: Fri 21 Feb 25 15:48:42 UT
NOTICE_TYPE: Fermi-GBM Flight Position
RECORD_NUM: 46
TRIGGER_NUM: 761845698
GRB_RA: 198.850d {+13h 15m 24s} (J2000),
199.149d {+13h 16m 36s} (current),
198.255d {+13h 13m 01s} (1950)
GRB_DEC: +26.817d {+26d 49' 00"} (J2000),
+26.684d {+26d 41' 04"} (current),
+27.081d {+27d 04' 50"} (1950)
GRB_ERROR: 29.48 [deg radius, statistical plus systematic]
GRB_INTEN: 519 [cnts/sec]
DATA_SIGNIF: 2.70 [sigma]
INTEG_TIME: 0.016 [sec]
GRB_DATE: 20727 TJD; 52 DOY; 25/02/21
GRB_TIME: 56893.34 SOD {15:48:13.34} UT
GRB_PHI: 176.00 [deg]
GRB_THETA: 145.00 [deg]
DATA_TIME_SCALE: 0.0160 [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, 0,0,1, 0,0,0, 0,0,0, 0,0,
SUN_POSTN: 335.20d {+22h 20m 48s} -10.30d {-10d 18' 17"}
SUN_DIST: 135.50 [deg] Sun_angle= 9.1 [hr] (West of Sun)
MOON_POSTN: 251.41d {+16h 45m 39s} -27.49d {-27d 29' 25"}
MOON_DIST: 73.87 [deg]
MOON_ILLUM: 41 [%]
GAL_COORDS: 30.95, 84.65 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS: 185.75, 31.91 [deg] ecliptic lon,lat of the burst (or transient)
LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250221658/quicklook/glg_lc_medres34_bn250221658.gif
COMMENTS: Fermi-GBM Flight-calculated Coordinates.
COMMENTS: This trigger occurred at longitude,latitude = 48.68,14.87 [deg].
COMMENTS: The LC_URL file will not be created until ~15 min after the trigger.
//////////////////////////////////////////////////////////////////////
TITLE: GCN/FERMI NOTICE
NOTICE_DATE: Fri 21 Feb 25 15:48:51 UT
NOTICE_TYPE: Fermi-GBM Flight Position
RECORD_NUM: 61
TRIGGER_NUM: 761845698
GRB_RA: 337.467d {+22h 29m 52s} (J2000),
337.794d {+22h 31m 11s} (current),
336.815d {+22h 27m 16s} (1950)
GRB_DEC: -5.850d {-05d 50' 59"} (J2000),
-5.721d {-05d 43' 13"} (current),
-6.107d {-06d 06' 23"} (1950)
GRB_ERROR: 12.27 [deg radius, statistical plus systematic]
GRB_INTEN: 104 [cnts/sec]
DATA_SIGNIF: 8.30 [sigma]
INTEG_TIME: 4.096 [sec]
GRB_DATE: 20727 TJD; 52 DOY; 25/02/21
GRB_TIME: 56893.34 SOD {15:48:13.34} UT
GRB_PHI: 355.00 [deg]
GRB_THETA: 80.00 [deg]
DATA_TIME_SCALE: 4.0960 [sec]
HARD_RATIO: 26.05
LOC_ALGORITHM: 3 (version number of)
MOST_LIKELY: 93% Solar Flare
2nd_MOST_LIKELY: 4% GRB
DETECTORS: 0,0,1, 0,0,1, 0,0,0, 0,0,0, 0,0,
SUN_POSTN: 335.20d {+22h 20m 48s} -10.30d {-10d 18' 17"}
SUN_DIST: 5.25 [deg] Sun_angle= -0.2 [hr] (East of Sun)
MOON_POSTN: 251.41d {+16h 45m 40s} -27.49d {-27d 29' 26"}
MOON_DIST: 84.16 [deg]
MOON_ILLUM: 41 [%]
GAL_COORDS: 58.78,-50.19 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS: 336.99, 3.33 [deg] ecliptic lon,lat of the burst (or transient)
LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250221658/quicklook/glg_lc_medres34_bn250221658.gif
COMMENTS: Fermi-GBM Flight-calculated Coordinates.
COMMENTS: This trigger occurred at longitude,latitude = 48.68,14.87 [deg].
COMMENTS: The LC_URL file will not be created until ~15 min after the trigger.