[vsnet-grb 468703] GCN/SWIFT_FOM_OBSERVE

Bacodine vxw at capella2.gsfc.nasa.gov
Tue Dec 22 03:43:05 JST 2020


TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 21 Dec 20 18:43:00 UT
NOTICE_TYPE:     Swift-FOM Will_Observe
TRIGGER_NUM:     1014012,   Seg_Num: 0
GRB_RA:          278.205d {+18h 32m 49s} (J2000),
                 278.394d {+18h 33m 35s} (current),
                 277.753d {+18h 31m 01s} (1950)
GRB_DEC:         +34.411d {+34d 24' 39"} (J2000),
                 +34.428d {+34d 25' 40"} (current),
                 +34.372d {+34d 22' 20"} (1950)
GRB_DATE:        19204 TJD;   356 DOY;   20/12/21
GRB_TIME:        67293.80 SOD {18:41:33.80} UT
TRIGGER_INDEX:   20000
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.16 [sigma]
FLAGS:           0x3
MERIT:           100.00
SUN_POSTN:       270.41d {+18h 01m 37s}  -23.44d {-23d 26' 06"}
SUN_DIST:         58.36 [deg]   Sun_angle= -0.5 [hr] (East of Sun)
MOON_POSTN:        0.41d {+00h 01m 39s}   -5.55d {-05d 32' 54"}
MOON_DIST:        86.60 [deg]
MOON_ILLUM:      48 [%]
GAL_COORDS:       62.81, 18.50 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      282.65, 57.49 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT Figure-of-Merit decision.  
COMMENTS:        This was of sufficient merit to become the new Automated Target;  
COMMENTS:        but if the Current PPT has a greater merit, then we will not request a slew.  
COMMENTS:        FOM will request the s/c to slew.  
COMMENTS:        The S/C has yet to make its decision about safe to slew or not.  
COMMENTS:        This does not match any source in the ground catalog.  
COMMENTS:           
COMMENTS:        The next comments were copied from the BAT_POS Notice:  
COMMENTS:        This is an image trigger.  (The RATE_SIGNIF is undefined.)  
COMMENTS:        A point_source was found.  
COMMENTS:        This does not match any source in the on-board catalog.  
COMMENTS:        This is a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 296.80,8.88 [deg].  



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