[vsnet-grb 373894] GCN/SWIFT_XRT_POSITION_UPDATE
Bacodine
vxw at capella2.gsfc.nasa.gov
Sat Jul 21 20:16:49 JST 2018
TITLE: GCN/SWIFT NOTICE
NOTICE_DATE: Sat 21 Jul 18 11:16:49 UT
NOTICE_TYPE: Swift-XRT Position UPDATE
TRIGGER_NUM: 849018, Seg_Num: 0
GRB_RA: 347.7099d {+23h 10m 50.37s} (J2000),
347.9457d {+23h 11m 46.97s} (current),
347.0744d {+23h 08m 17.85s} (1950)
GRB_DEC: +4.8552d {+04d 51' 18.7"} (J2000),
+4.9562d {+04d 57' 22.1"} (current),
+4.5835d {+04d 35' 00.6"} (1950)
GRB_ERROR: 2.3 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN: 1.00e-10 [erg/cm2/sec]
GRB_SIGNIF: 10.00 [sigma]
IMG_START_DATE: 18320 TJD; 202 DOY; 18/07/21
IMG_START_TIME: 40107.00 SOD {11:08:27.00} UT, 98.6 [sec] since BAT Trigger Time
TAM[0-3]: 100.00 100.00 100.00 100.00
AMPLIFIER: 1
WAVEFORM: 31
SUN_POSTN: 120.79d {+08h 03m 08s} +20.43d {+20d 25' 33"}
SUN_DIST: 127.20 [deg] Sun_angle= 8.9 [hr] (West of Sun)
MOON_POSTN: 227.30d {+15h 09m 11s} -12.25d {-12d 14' 48"}
MOON_DIST: 120.97 [deg]
MOON_ILLUM: 67 [%]
GAL_COORDS: 81.90,-49.83 [deg] galactic lon,lat of the burst
ECL_COORDS: 350.61, 9.32 [deg] ecliptic lon,lat of the burst
COMMENTS: SWIFT-XRT Coordinates.
COMMENTS: This Notice was ground-generated -- not flight-generated.
COMMENTS: This is an Update Notice -- the RA,Dec values herein supersede the previous XRT_POS Notice.
COMMENTS: TAM values, flux and significance fields are not valid.
COMMENTS: This position was automatically generated on the ground using
COMMENTS: Photon Counting data telemetered via TDRSS (SPER data).
COMMENTS: See http://www.swift.ac.uk/sper/docs.php for details.
COMMENTS: This position was enhanced using UVOT field astrometry.
COMMENTS: The probability that this is a serendipitous source in the
COMMENTS: SPER window is 0.58% < P(seren) < 1.1%.
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