[vsnet-grb 496455] GCN/SWIFT_FOM_OBSERVE

Bacodine vxw at capella2.gsfc.nasa.gov
Sun Aug 22 18:18:45 JST 2021


TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 22 Aug 21 09:18:44 UT
NOTICE_TYPE:     Swift-FOM Will_Observe
TRIGGER_NUM:     1069788,   Seg_Num: 0
GRB_RA:          304.476d {+20h 17m 54s} (J2000),
                 304.744d {+20h 18m 59s} (current),
                 303.857d {+20h 15m 26s} (1950)
GRB_DEC:          +5.265d {+05d 15' 54"} (J2000),
                  +5.333d {+05d 20' 00"} (current),
                  +5.109d {+05d 06' 31"} (1950)
GRB_DATE:        19448 TJD;   234 DOY;   21/08/22
GRB_TIME:        33498.16 SOD {09:18:18.16} UT
TRIGGER_INDEX:   122
RATE_SIGNIF:     157.56 [sigma]
IMAGE_SIGNIF:    18.75 [sigma]
FLAGS:           0x3
MERIT:           100.00
SUN_POSTN:       151.62d {+10h 06m 29s}  +11.64d {+11d 38' 29"}
SUN_DIST:        148.33 [deg]   Sun_angle= -10.2 [hr] (East of Sun)
MOON_POSTN:      331.94d {+22h 07m 46s}  -16.81d {-16d 48' 47"}
MOON_DIST:        34.83 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:       47.98,-16.54 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      308.19, 24.25 [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 = 193.42,17.38 [deg].  



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