[vsnet-grb 489090] GCN/SWIFT_FOM_OBSERVE

Bacodine vxw at capella2.gsfc.nasa.gov
Sun Jun 20 08:59:51 JST 2021


TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 19 Jun 21 23:59:50 UT
NOTICE_TYPE:     Swift-FOM Will_Observe
TRIGGER_NUM:     1056757,   Seg_Num: 0
GRB_RA:          319.713d {+21h 18m 51s} (J2000),
                 319.936d {+21h 19m 45s} (current),
                 319.193d {+21h 16m 46s} (1950)
GRB_DEC:         +33.860d {+33d 51' 35"} (J2000),
                 +33.951d {+33d 57' 04"} (current),
                 +33.648d {+33d 38' 54"} (1950)
GRB_DATE:        19384 TJD;   170 DOY;   21/06/19
GRB_TIME:        86365.41 SOD {23:59:25.41} UT
TRIGGER_INDEX:   10427
RATE_SIGNIF:     67.02 [sigma]
IMAGE_SIGNIF:    8.13 [sigma]
FLAGS:           0x3
MERIT:           100.00
SUN_POSTN:        88.81d {+05h 55m 15s}  +23.43d {+23d 25' 53"}
SUN_DIST:        104.81 [deg]   Sun_angle= 8.6 [hr] (West of Sun)
MOON_POSTN:      202.55d {+13h 30m 13s}   -5.36d {-05d 21' 21"}
MOON_DIST:       115.59 [deg]
MOON_ILLUM:      70 [%]
GAL_COORDS:       80.35,-10.91 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      336.84, 46.45 [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 a rate trigger.  
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 = 31.38,-11.06 [deg].  



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