[vsnet-grb 493097] GCN/SWIFT_FOM_OBSERVE
Bacodine
vxw at capella2.gsfc.nasa.gov
Sun Jul 25 21:01:47 JST 2021
TITLE: GCN/SWIFT NOTICE
NOTICE_DATE: Sun 25 Jul 21 12:01:46 UT
NOTICE_TYPE: Swift-FOM Will_Observe
TRIGGER_NUM: 1061554, Seg_Num: 0
GRB_RA: 192.932d {+12h 51m 44s} (J2000),
193.200d {+12h 52m 48s} (current),
192.310d {+12h 49m 15s} (1950)
GRB_DEC: +17.125d {+17d 07' 30"} (J2000),
+17.008d {+17d 00' 29"} (current),
+17.397d {+17d 23' 48"} (1950)
GRB_DATE: 19420 TJD; 206 DOY; 21/07/25
GRB_TIME: 43248.02 SOD {12:00:48.02} UT
TRIGGER_INDEX: 474
RATE_SIGNIF: 11.00 [sigma]
IMAGE_SIGNIF: 7.81 [sigma]
FLAGS: 0x3
MERIT: 100.00
SUN_POSTN: 125.06d {+08h 20m 14s} +19.54d {+19d 32' 12"}
SUN_DIST: 64.32 [deg] Sun_angle= -4.5 [hr] (East of Sun)
MOON_POSTN: 325.11d {+21h 40m 27s} -19.04d {-19d 02' 35"}
MOON_DIST: 134.37 [deg]
MOON_ILLUM: 97 [%]
GAL_COORDS: 303.33, 80.00 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS: 184.85, 20.81 [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: There is a bright star (mag=6.32) 7.49 arcmin from this position.
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 = 126.64,4.44 [deg].
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