[vsnet-grb 496881] GCN/SWIFT_FOM_OBSERVE

Bacodine vxw at capella2.gsfc.nasa.gov
Wed Aug 25 15:53:53 JST 2021


TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 25 Aug 21 06:53:52 UT
NOTICE_TYPE:     Swift-FOM Will_Observe
TRIGGER_NUM:     1070298,   Seg_Num: 0
GRB_RA:          238.836d {+15h 55m 21s} (J2000),
                 239.256d {+15h 57m 01s} (current),
                 237.869d {+15h 51m 29s} (1950)
GRB_DEC:         -54.070d {-54d 04' 12"} (J2000),
                 -54.132d {-54d 07' 55"} (current),
                 -53.924d {-53d 55' 26"} (1950)
GRB_DATE:        19451 TJD;   237 DOY;   21/08/25
GRB_TIME:        24807.27 SOD {06:53:27.27} UT
TRIGGER_INDEX:   10210
RATE_SIGNIF:     42.22 [sigma]
IMAGE_SIGNIF:    9.65 [sigma]
FLAGS:           0x3
MERIT:           100.00
SUN_POSTN:       154.29d {+10h 17m 09s}  +10.65d {+10d 39' 05"}
SUN_DIST:         95.70 [deg]   Sun_angle= -5.7 [hr] (East of Sun)
MOON_POSTN:        7.55d {+00h 30m 11s}   -1.41d {-01d 24' 51"}
MOON_DIST:       110.06 [deg]
MOON_ILLUM:      91 [%]
GAL_COORDS:      327.89, -0.36 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      248.80,-32.90 [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 = 116.36,-11.43 [deg].  



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