//////////////////////////////////////////////////////////////////////
TITLE:           GCN/FERMI NOTICE
NOTICE_DATE:     Tue 21 Apr 26 14:22:47 UT
NOTICE_TYPE:     Fermi-GBM Alert
RECORD_NUM:      1
TRIGGER_NUM:     798474165
GRB_DATE:        21151 TJD;   111 DOY;   26/04/21
GRB_TIME:        51760.89 SOD {14:22:40.89} UT
TRIGGER_SIGNIF:  4.6 [sigma]
TRIGGER_DUR:     4.096 [sec]
E_RANGE:         3-4 [chan]   47-291 [keV]
ALGORITHM:       17
DETECTORS:       0,0,0, 0,0,0, 0,1,0, 1,1,0, 0,0,
LC_URL:          http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260421599/quicklook/glg_lc_medres34_bn260421599.gif
COMMENTS:        Fermi-GBM Trigger Alert.  
COMMENTS:        This trigger occurred at longitude,latitude = 253.98,25.25 [deg].  
COMMENTS:        The LC_URL file will not be created until ~15 min after the trigger.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/FERMI NOTICE
NOTICE_DATE:     Tue 21 Apr 26 14:23:10 UT
NOTICE_TYPE:     Fermi-GBM Flight Position
RECORD_NUM:      46
TRIGGER_NUM:     798474165
GRB_RA:          202.717d {+13h 30m 52s} (J2000),
                 203.393d {+13h 33m 34s} (current),
                 201.469d {+13h 25m 53s} (1950)
GRB_DEC:         -80.350d {-80d 20' 59"} (J2000),
                 -80.485d {-80d 29' 04"} (current),
                 -80.092d {-80d 05' 30"} (1950)
GRB_ERROR:       18.77 [deg radius, statistical plus systematic]
GRB_INTEN:       31 [cnts/sec]
DATA_SIGNIF:     5.10 [sigma]
INTEG_TIME:      2.048 [sec]
GRB_DATE:        21151 TJD;   111 DOY;   26/04/21
GRB_TIME:        51760.89 SOD {14:22:40.89} UT
GRB_PHI:         240.00 [deg]
GRB_THETA:       165.00 [deg]
DATA_TIME_SCALE: 2.0480 [sec]
HARD_RATIO:      0.00
LOC_ALGORITHM:   3 (version number of)
MOST_LIKELY:     100%  Below horizon
2nd_MOST_LIKELY:   0%  n/a
DETECTORS:       0,0,0, 0,0,0, 0,1,0, 1,1,0, 0,0,
SUN_POSTN:        29.35d {+01h 57m 23s}  +11.99d {+11d 59' 37"}
SUN_DIST:        111.46 [deg]   Sun_angle= -11.6 [hr] (East of Sun)
MOON_POSTN:       88.16d {+05h 52m 37s}  +28.25d {+28d 15' 04"}
MOON_DIST:       121.93 [deg]
MOON_ILLUM:      23 [%]
GAL_COORDS:      304.66,-17.61 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      251.10,-61.49 [deg] ecliptic lon,lat of the burst (or transient)
LC_URL:          http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260421599/quicklook/glg_lc_medres34_bn260421599.gif
COMMENTS:        Fermi-GBM Flight-calculated Coordinates.  
COMMENTS:        This trigger occurred at longitude,latitude = 253.98,25.25 [deg].  
COMMENTS:        The LC_URL file will not be created until ~15 min after the trigger.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/FERMI NOTICE
NOTICE_DATE:     Tue 21 Apr 26 14:23:19 UT
NOTICE_TYPE:     Fermi-GBM Flight Position
RECORD_NUM:      58
TRIGGER_NUM:     798474165
GRB_RA:          311.700d {+20h 46m 48s} (J2000),
                 311.624d {+20h 46m 30s} (current),
                 311.836d {+20h 47m 21s} (1950)
GRB_DEC:         +75.117d {+75d 07' 00"} (J2000),
                 +75.214d {+75d 12' 51"} (current),
                 +74.931d {+74d 55' 52"} (1950)
GRB_ERROR:       11.07 [deg radius, statistical plus systematic]
GRB_INTEN:       81 [cnts/sec]
DATA_SIGNIF:     7.20 [sigma]
INTEG_TIME:      4.096 [sec]
GRB_DATE:        21151 TJD;   111 DOY;   26/04/21
GRB_TIME:        51760.89 SOD {14:22:40.89} UT
GRB_PHI:           0.00 [deg]
GRB_THETA:         0.00 [deg]
DATA_TIME_SCALE: 4.0960 [sec]
HARD_RATIO:      0.75
LOC_ALGORITHM:   3 (version number of)
MOST_LIKELY:      91%  GRB
2nd_MOST_LIKELY:   3%  Cyg X-1
DETECTORS:       0,0,0, 0,0,0, 0,1,0, 1,1,0, 0,0,
SUN_POSTN:        29.35d {+01h 57m 23s}  +11.99d {+11d 59' 37"}
SUN_DIST:         75.29 [deg]   Sun_angle= 5.2 [hr] (West of Sun)
MOON_POSTN:       88.16d {+05h 52m 38s}  +28.25d {+28d 15' 04"}
MOON_DIST:        72.87 [deg]
MOON_ILLUM:      23 [%]
GAL_COORDS:      109.14, 19.29 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       50.66, 74.36 [deg] ecliptic lon,lat of the burst (or transient)
LC_URL:          http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260421599/quicklook/glg_lc_medres34_bn260421599.gif
COMMENTS:        Fermi-GBM Flight-calculated Coordinates.  
COMMENTS:        This trigger occurred at longitude,latitude = 253.98,25.25 [deg].  
COMMENTS:        The LC_URL file will not be created until ~15 min after the trigger.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/FERMI NOTICE
NOTICE_DATE:     Tue 21 Apr 26 14:23:28 UT
NOTICE_TYPE:     Fermi-GBM Ground Position
RECORD_NUM:      57
TRIGGER_NUM:     798474165
GRB_RA:          191.830d {+12h 47m 19s} (J2000),
                 192.281d {+12h 49m 07s} (current),
                 190.988d {+12h 43m 57s} (1950)
GRB_DEC:         -74.850d {-74d 50' 59"} (J2000),
                 -74.993d {-74d 59' 35"} (current),
                 -74.577d {-74d 34' 37"} (1950)
GRB_ERROR:       60.77 [deg radius, statistical only]
DATA_SIGNIF:     7.40 [sigma]
DATA_INTERVAL:   4.096 [sec]
GRB_DATE:        21151 TJD;   111 DOY;   26/04/21
GRB_TIME:        51760.89 SOD {14:22:40.89} UT
GRB_PHI:         217.00 [deg]
GRB_THETA:       165.00 [deg]
E_RANGE:         44.032 - 279.965 [keV]
LOC_ALGORITHM:   4173 (Gnd S/W Version number)
SUN_POSTN:        29.35d {+01h 57m 23s}  +11.99d {+11d 59' 37"}
SUN_DIST:        116.29 [deg]   Sun_angle= -10.9 [hr] (East of Sun)
MOON_POSTN:       88.16d {+05h 52m 38s}  +28.25d {+28d 15' 04"}
MOON_DIST:       120.85 [deg]
MOON_ILLUM:      23 [%]
GAL_COORDS:      302.66,-11.98 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      239.43,-59.80 [deg] ecliptic lon,lat of the burst (or transient)
LC_URL:          http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260421599/quicklook/glg_lc_medres34_bn260421599.gif
POS_MAP_URL:     http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_798474165.fits
COMMENTS:        Fermi-GBM Ground-calculated Coordinates.  
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:     Tue 21 Apr 26 14:23:33 UT
NOTICE_TYPE:     Fermi-GBM Flight Position
RECORD_NUM:      70
TRIGGER_NUM:     798474165
GRB_RA:          205.833d {+13h 43m 20s} (J2000),
                 206.525d {+13h 46m 06s} (current),
                 204.554d {+13h 38m 13s} (1950)
GRB_DEC:         -79.617d {-79d 37' 00"} (J2000),
                 -79.748d {-79d 44' 52"} (current),
                 -79.365d {-79d 21' 52"} (1950)
GRB_ERROR:       8.70 [deg radius, statistical plus systematic]
GRB_INTEN:       123 [cnts/sec]
DATA_SIGNIF:     10.50 [sigma]
INTEG_TIME:      4.096 [sec]
GRB_DATE:        21151 TJD;   111 DOY;   26/04/21
GRB_TIME:        51760.89 SOD {14:22:40.89} UT
GRB_PHI:         240.00 [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:       0,0,0, 0,0,0, 0,1,0, 1,1,0, 0,0,
SUN_POSTN:        29.35d {+01h 57m 23s}  +11.99d {+11d 59' 37"}
SUN_DIST:        112.23 [deg]   Sun_angle= -11.8 [hr] (East of Sun)
MOON_POSTN:       88.16d {+05h 52m 39s}  +28.25d {+28d 15' 04"}
MOON_DIST:       122.70 [deg]
MOON_ILLUM:      23 [%]
GAL_COORDS:      305.36,-16.99 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      250.70,-60.60 [deg] ecliptic lon,lat of the burst (or transient)
LC_URL:          http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260421599/quicklook/glg_lc_medres34_bn260421599.gif
COMMENTS:        Fermi-GBM Flight-calculated Coordinates.  
COMMENTS:        This trigger occurred at longitude,latitude = 253.98,25.25 [deg].  
COMMENTS:        The LC_URL file will not be created until ~15 min after the trigger.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/FERMI NOTICE
NOTICE_DATE:     Tue 21 Apr 26 14:23:48 UT
NOTICE_TYPE:     Fermi-GBM Flight Position
RECORD_NUM:      92
TRIGGER_NUM:     798474165
GRB_RA:          207.050d {+13h 48m 12s} (J2000),
                 207.741d {+13h 50m 58s} (current),
                 205.770d {+13h 43m 05s} (1950)
GRB_DEC:         -79.167d {-79d 10' 00"} (J2000),
                 -79.297d {-79d 17' 47"} (current),
                 -78.917d {-78d 55' 01"} (1950)
GRB_ERROR:       6.88 [deg radius, statistical plus systematic]
GRB_INTEN:       217 [cnts/sec]
DATA_SIGNIF:     15.30 [sigma]
INTEG_TIME:      4.096 [sec]
GRB_DATE:        21151 TJD;   111 DOY;   26/04/21
GRB_TIME:        51760.89 SOD {14:22:40.89} UT
GRB_PHI:         240.00 [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:       0,0,0, 0,0,0, 0,1,0, 1,1,0, 0,0,
SUN_POSTN:        29.35d {+01h 57m 23s}  +11.99d {+11d 59' 37"}
SUN_DIST:        112.69 [deg]   Sun_angle= -11.9 [hr] (East of Sun)
MOON_POSTN:       88.16d {+05h 52m 39s}  +28.25d {+28d 15' 04"}
MOON_DIST:       123.08 [deg]
MOON_ILLUM:      23 [%]
GAL_COORDS:      305.69,-16.60 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      250.36,-60.13 [deg] ecliptic lon,lat of the burst (or transient)
LC_URL:          http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260421599/quicklook/glg_lc_medres34_bn260421599.gif
COMMENTS:        Fermi-GBM Flight-calculated Coordinates.  
COMMENTS:        This trigger occurred at longitude,latitude = 253.98,25.25 [deg].  
COMMENTS:        The LC_URL file will not be created until ~15 min after the trigger.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/FERMI NOTICE
NOTICE_DATE:     Tue 21 Apr 26 14:24:21 UT
NOTICE_TYPE:     Fermi-GBM Flight Position
RECORD_NUM:      131
TRIGGER_NUM:     798474165
GRB_RA:          209.500d {+13h 58m 00s} (J2000),
                 210.182d {+14h 00m 44s} (current),
                 208.234d {+13h 52m 56s} (1950)
GRB_DEC:         -78.000d {-78d 00' 00"} (J2000),
                 -78.127d {-78d 07' 36"} (current),
                 -77.756d {-77d 45' 21"} (1950)
GRB_ERROR:       6.23 [deg radius, statistical plus systematic]
GRB_INTEN:       282 [cnts/sec]
DATA_SIGNIF:     22.40 [sigma]
INTEG_TIME:      4.096 [sec]
GRB_DATE:        21151 TJD;   111 DOY;   26/04/21
GRB_TIME:        51760.89 SOD {14:22:40.89} UT
GRB_PHI:         240.00 [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:       0,0,0, 0,0,0, 0,1,0, 1,1,0, 0,0,
SUN_POSTN:        29.35d {+01h 57m 23s}  +11.99d {+11d 59' 38"}
SUN_DIST:        113.87 [deg]   Sun_angle= 11.9 [hr] (West of Sun)
MOON_POSTN:       88.17d {+05h 52m 41s}  +28.25d {+28d 15' 04"}
MOON_DIST:       124.01 [deg]
MOON_ILLUM:      23 [%]
GAL_COORDS:      306.48,-15.59 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      249.46,-58.95 [deg] ecliptic lon,lat of the burst (or transient)
LC_URL:          http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260421599/quicklook/glg_lc_medres34_bn260421599.gif
COMMENTS:        Fermi-GBM Flight-calculated Coordinates.  
COMMENTS:        This trigger occurred at longitude,latitude = 253.98,25.25 [deg].  
COMMENTS:        The LC_URL file will not be created until ~15 min after the trigger.