[vsnet-grb 463155] GCN/SWIFT_FOM_OBSERVE

Bacodine vxw at capella2.gsfc.nasa.gov
Tue Oct 27 07:49:20 JST 2020


TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 26 Oct 20 22:48:37 UT
NOTICE_TYPE:     Swift-FOM Will_Observe
TRIGGER_NUM:     1002103,   Seg_Num: 0
GRB_RA:          196.664d {+13h 06m 39s} (J2000),
                 196.630d {+13h 06m 31s} (current),
                 196.772d {+13h 07m 05s} (1950)
GRB_DEC:         +83.761d {+83d 45' 38"} (J2000),
                 +83.650d {+83d 38' 58"} (current),
                 +84.027d {+84d 01' 38"} (1950)
GRB_DATE:        19148 TJD;   300 DOY;   20/10/26
GRB_TIME:        81454.18 SOD {22:37:34.18} UT
TRIGGER_INDEX:   149
RATE_SIGNIF:     12.04 [sigma]
IMAGE_SIGNIF:    6.67 [sigma]
FLAGS:           0x3
MERIT:           100.00
SUN_POSTN:       211.74d {+14h 06m 56s}  -12.84d {-12d 50' 40"}
SUN_DIST:         96.71 [deg]   Sun_angle= 1.0 [hr] (West of Sun)
MOON_POSTN:      346.38d {+23h 05m 32s}  -11.37d {-11d 22' 10"}
MOON_DIST:       106.83 [deg]
MOON_ILLUM:      82 [%]
GAL_COORDS:      122.44, 33.35 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      105.85, 67.58 [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:        Since the IMAGE_SIGNIF is less than 7 sigma, this is a questionable detection.  
COMMENTS:        This trigger occurred at longitude,latitude = 257.97,20.53 [deg].  



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