[vsnet-grb 370560] GCN/SWIFT_XRT_POSITION_UPDATE
Bacodine
vxw at capella2.gsfc.nasa.gov
Thu Jun 21 01:09:44 JST 2018
TITLE: GCN/SWIFT NOTICE
NOTICE_DATE: Wed 20 Jun 18 16:09:32 UT
NOTICE_TYPE: Swift-XRT Position UPDATE
TRIGGER_NUM: 843211, Seg_Num: 0
GRB_RA: 357.5212d {+23h 50m 05.08s} (J2000),
357.7646d {+23h 51m 03.49s} (current),
356.8588d {+23h 47m 26.10s} (1950)
GRB_DEC: -57.9628d {-57d 57' 46.0"} (J2000),
-57.8601d {-57d 51' 36.2"} (current),
-58.2409d {-58d 14' 27.1"} (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: 18289 TJD; 171 DOY; 18/06/20
IMG_START_TIME: 57382.00 SOD {15:56:22.00} UT, 344.8 [sec] since BAT Trigger Time
TAM[0-3]: 100.00 100.00 100.00 100.00
AMPLIFIER: 1
WAVEFORM: 31
SUN_POSTN: 89.23d {+05h 56m 54s} +23.43d {+23d 26' 04"}
SUN_DIST: 110.44 [deg] Sun_angle= 6.1 [hr] (West of Sun)
MOON_POSTN: 183.66d {+12h 14m 39s} +3.05d {+03d 02' 55"}
MOON_DIST: 124.99 [deg]
MOON_ILLUM: 53 [%]
GAL_COORDS: 318.00,-57.33 [deg] galactic lon,lat of the burst
ECL_COORDS: 325.94,-50.23 [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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