//////////////////////////////////////////////////////////////////////
TITLE:           GCN/FERMI NOTICE
NOTICE_DATE:     Mon 31 May 21 12:00:07 UT
NOTICE_TYPE:     Fermi-GBM Alert
RECORD_NUM:      1
TRIGGER_NUM:     644155206
GRB_DATE:        19365 TJD;   151 DOY;   21/05/31
GRB_TIME:        43201.65 SOD {12:00:01.65} UT
TRIGGER_SIGNIF:  5.6 [sigma]
TRIGGER_DUR:     0.256 [sec]
E_RANGE:         3-4 [chan]   47-291 [keV]
ALGORITHM:       8
DETECTORS:       0,0,0, 1,1,0, 0,0,0, 0,0,0, 0,0,
LC_URL:          http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210531500/quicklook/glg_lc_medres34_bn210531500.gif
COMMENTS:        Fermi-GBM Trigger Alert.  
COMMENTS:        This trigger occurred at longitude,latitude = 120.42,-22.37 [deg].  
COMMENTS:        The LC_URL file will not be created until ~15 min after the trigger.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/FERMI NOTICE
NOTICE_DATE:     Mon 31 May 21 12:00:26 UT
NOTICE_TYPE:     Fermi-GBM Flight Position
RECORD_NUM:      49
TRIGGER_NUM:     644155206
GRB_RA:          145.200d {+09h 40m 48s} (J2000),
                 145.469d {+09h 41m 53s} (current),
                 144.571d {+09h 38m 17s} (1950)
GRB_DEC:          -4.383d {-04d 22' 59"} (J2000),
                  -4.481d {-04d 28' 52"} (current),
                  -4.156d {-04d 09' 19"} (1950)
GRB_ERROR:       4.38 [deg radius, statistical plus systematic]
GRB_INTEN:       895 [cnts/sec]
DATA_SIGNIF:     35.80 [sigma]
INTEG_TIME:      1.024 [sec]
GRB_DATE:        19365 TJD;   151 DOY;   21/05/31
GRB_TIME:        43201.65 SOD {12:00:01.65} UT
GRB_PHI:         293.00 [deg]
GRB_THETA:        80.00 [deg]
DATA_TIME_SCALE: 1.0240 [sec]
HARD_RATIO:      0.57
LOC_ALGORITHM:   3 (version number of)
MOST_LIKELY:      95%  GRB
2nd_MOST_LIKELY:   4%  Generic Transient
DETECTORS:       0,0,0, 1,1,0, 0,0,0, 0,0,0, 0,0,
SUN_POSTN:        68.64d {+04h 34m 35s}  +21.98d {+21d 59' 05"}
SUN_DIST:         79.55 [deg]   Sun_angle= -5.1 [hr] (East of Sun)
MOON_POSTN:      322.44d {+21h 29m 45s}  -19.94d {-19d 56' 14"}
MOON_DIST:       155.40 [deg]
MOON_ILLUM:      69 [%]
GAL_COORDS:      239.85, 34.25 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      149.01,-17.25 [deg] ecliptic lon,lat of the burst (or transient)
LC_URL:          http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210531500/quicklook/glg_lc_medres34_bn210531500.gif
COMMENTS:        Fermi-GBM Flight-calculated Coordinates.  
COMMENTS:        This trigger occurred at longitude,latitude = 120.42,-22.37 [deg].  
COMMENTS:        The LC_URL file will not be created until ~15 min after the trigger.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/FERMI NOTICE
NOTICE_DATE:     Mon 31 May 21 12:00:35 UT
NOTICE_TYPE:     Fermi-GBM Flight Position
RECORD_NUM:      60
TRIGGER_NUM:     644155206
GRB_RA:          140.600d {+09h 22m 24s} (J2000),
                 140.866d {+09h 23m 28s} (current),
                 139.979d {+09h 19m 55s} (1950)
GRB_DEC:          -6.283d {-06d 16' 59"} (J2000),
                  -6.376d {-06d 22' 31"} (current),
                  -6.069d {-06d 04' 08"} (1950)
GRB_ERROR:       3.62 [deg radius, statistical plus systematic]
GRB_INTEN:       2791 [cnts/sec]
DATA_SIGNIF:     218.30 [sigma]
INTEG_TIME:      4.096 [sec]
GRB_DATE:        19365 TJD;   151 DOY;   21/05/31
GRB_TIME:        43201.65 SOD {12:00:01.65} UT
GRB_PHI:         298.00 [deg]
GRB_THETA:        80.00 [deg]
DATA_TIME_SCALE: 4.0960 [sec]
HARD_RATIO:      0.75
LOC_ALGORITHM:   3 (version number of)
MOST_LIKELY:      97%  GRB
2nd_MOST_LIKELY:   2%  Generic Transient
DETECTORS:       0,0,0, 1,1,0, 0,0,0, 0,0,0, 0,0,
SUN_POSTN:        68.64d {+04h 34m 35s}  +21.98d {+21d 59' 05"}
SUN_DIST:         76.12 [deg]   Sun_angle= -4.8 [hr] (East of Sun)
MOON_POSTN:      322.44d {+21h 29m 45s}  -19.94d {-19d 56' 12"}
MOON_DIST:       153.64 [deg]
MOON_ILLUM:      69 [%]
GAL_COORDS:      238.43, 29.44 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      145.13,-20.57 [deg] ecliptic lon,lat of the burst (or transient)
LC_URL:          http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210531500/quicklook/glg_lc_medres34_bn210531500.gif
COMMENTS:        Fermi-GBM Flight-calculated Coordinates.  
COMMENTS:        This trigger occurred at longitude,latitude = 120.42,-22.37 [deg].  
COMMENTS:        The LC_URL file will not be created until ~15 min after the trigger.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/FERMI NOTICE
NOTICE_DATE:     Mon 31 May 21 12:00:44 UT
NOTICE_TYPE:     Fermi-GBM Ground Position
RECORD_NUM:      59
TRIGGER_NUM:     644155206
GRB_RA:          133.790d {+08h 55m 10s} (J2000),
                 134.074d {+08h 56m 18s} (current),
                 133.127d {+08h 52m 31s} (1950)
GRB_DEC:          +6.220d {+06d 13' 12"} (J2000),
                  +6.137d {+06d 08' 14"} (current),
                  +6.411d {+06d 24' 41"} (1950)
GRB_ERROR:       1.20 [deg radius, statistical only]
DATA_SIGNIF:     153.00 [sigma]
DATA_INTERVAL:   1.024 [sec]
GRB_DATE:        19365 TJD;   151 DOY;   21/05/31
GRB_TIME:        43201.65 SOD {12:00:01.65} UT
GRB_PHI:         300.00 [deg]
GRB_THETA:        94.00 [deg]
E_RANGE:         44.032 - 279.965 [keV]
LOC_ALGORITHM:   4173 (Gnd S/W Version number)
SUN_POSTN:        68.64d {+04h 34m 35s}  +21.98d {+21d 59' 05"}
SUN_DIST:         64.95 [deg]   Sun_angle= -4.4 [hr] (East of Sun)
MOON_POSTN:      322.44d {+21h 29m 46s}  -19.94d {-19d 56' 11"}
MOON_DIST:       163.98 [deg]
MOON_ILLUM:      69 [%]
GAL_COORDS:      222.03, 30.28 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      134.44,-10.72 [deg] ecliptic lon,lat of the burst (or transient)
LC_URL:          http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210531500/quicklook/glg_lc_medres34_bn210531500.gif
POS_MAP_URL:     http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_644155206.fits
COMMENTS:        Fermi-GBM Ground-calculated Coordinates.  
COMMENTS:        Bright hard burst in the GBM.  
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:     Mon 31 May 21 12:01:24 UT
NOTICE_TYPE:     Fermi-GBM Ground Position
RECORD_NUM:      3
TRIGGER_NUM:     644155206
GRB_RA:          135.790d {+09h 03m 10s} (J2000),
                 136.070d {+09h 04m 17s} (current),
                 135.136d {+09h 00m 33s} (1950)
GRB_DEC:          +3.810d {+03d 48' 36"} (J2000),
                  +3.724d {+03d 43' 28"} (current),
                  +4.008d {+04d 00' 30"} (1950)
GRB_ERROR:       1.00 [deg radius, statistical only]
DATA_SIGNIF:     180.60 [sigma]
DATA_INTERVAL:   5.120 [sec]
GRB_DATE:        19365 TJD;   151 DOY;   21/05/31
GRB_TIME:        43201.65 SOD {12:00:01.65} UT
GRB_PHI:         299.00 [deg]
GRB_THETA:        91.00 [deg]
E_RANGE:         44.032 - 279.965 [keV]
LOC_ALGORITHM:   41731 (Gnd S/W Version number)
SUN_POSTN:        68.64d {+04h 34m 35s}  +21.98d {+21d 59' 05"}
SUN_DIST:         67.69 [deg]   Sun_angle= -4.5 [hr] (East of Sun)
MOON_POSTN:      322.45d {+21h 29m 47s}  -19.93d {-19d 56' 04"}
MOON_DIST:       162.64 [deg]
MOON_ILLUM:      69 [%]
GAL_COORDS:      225.60, 30.87 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      137.09,-12.46 [deg] ecliptic lon,lat of the burst (or transient)
LC_URL:          http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210531500/quicklook/glg_lc_medres34_bn210531500.gif
POS_MAP_URL:     http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_644155206.fits
COMMENTS:        Fermi-GBM Ground-calculated Coordinates.  
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:     Mon 31 May 21 12:43:52 UT
NOTICE_TYPE:     Fermi-GBM Final Position
RECORD_NUM:      0
TRIGGER_NUM:     644155206
GRB_RA:          135.790d {+09h 03m 10s} (J2000),
                 136.069d {+09h 04m 17s} (current),
                 135.137d {+09h 00m 33s} (1950)
GRB_DEC:          +3.520d {+03d 31' 12"} (J2000),
                  +3.434d {+03d 26' 04"} (current),
                  +3.718d {+03d 43' 06"} (1950)
GRB_ERROR:       1.00 [deg radius, statistical only]
GRB_DATE:        19365 TJD;   151 DOY;   21/05/31
GRB_TIME:        43201.65 SOD {12:00:01.65} UT
GRB_PHI:         299.12 [deg]
GRB_THETA:        90.67 [deg]
E_RANGE:         50.000 - 300.000 [keV]
LOC_ALGORITHM:   415 (Gnd S/W Version number)
SUN_POSTN:        68.67d {+04h 34m 42s}  +21.99d {+21d 59' 20"}
SUN_DIST:         67.78 [deg]   Sun_angle= -4.5 [hr] (East of Sun)
MOON_POSTN:      322.85d {+21h 31m 24s}  -19.82d {-19d 49' 23"}
MOON_DIST:       162.33 [deg]
MOON_ILLUM:      68 [%]
GAL_COORDS:      225.89, 30.72 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      137.18,-12.74 [deg] ecliptic lon,lat of the burst (or transient)
LC_URL:          http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210531500/quicklook/glg_lc_medres34_bn210531500.gif
LOC_URL:         http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210531500/quicklook/glg_locplot_all_bn210531500.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.