[vsnet-grb 424419] GCN/SWIFT_FOM_OBSERVE

Bacodine vxw at capella2.gsfc.nasa.gov
Fri Oct 25 11:47:49 JST 2019


TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 25 Oct 19 02:47:16 UT
NOTICE_TYPE:     Swift-FOM Will_Observe
TRIGGER_NUM:     931384,   Seg_Num: 0
GRB_RA:          320.755d {+21h 23m 01s} (J2000),
                 321.087d {+21h 24m 21s} (current),
                 319.914d {+21h 19m 39s} (1950)
GRB_DEC:         -48.330d {-48d 19' 46"} (J2000),
                 -48.244d {-48d 14' 38"} (current),
                 -48.544d {-48d 32' 37"} (1950)
GRB_DATE:        18781 TJD;   298 DOY;   19/10/25
GRB_TIME:        10006.91 SOD {02:46:46.91} UT
TRIGGER_INDEX:   10319
RATE_SIGNIF:     6.32 [sigma]
IMAGE_SIGNIF:    6.63 [sigma]
FLAGS:           0x3
MERIT:           100.00
SUN_POSTN:       209.25d {+13h 57m 00s}  -11.96d {-11d 57' 32"}
SUN_DIST:         95.03 [deg]   Sun_angle= -7.5 [hr] (East of Sun)
MOON_POSTN:      171.91d {+11h 27m 39s}   +8.63d {+08d 37' 34"}
MOON_DIST:       132.63 [deg]
MOON_ILLUM:      13 [%]
GAL_COORDS:      350.56,-44.75 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      307.01,-31.20 [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 = 184.85,7.59 [deg].  



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