[vsnet-grb 340364] GCN/SWIFT_XRT_POSITION_UPDATE
Bacodine
vxw at capella2.gsfc.nasa.gov
Thu Sep 21 23:41:53 JST 2017
TITLE: GCN/SWIFT NOTICE
NOTICE_DATE: Thu 21 Sep 17 14:41:52 UT
NOTICE_TYPE: Swift-XRT Position UPDATE
TRIGGER_NUM: 773509, Seg_Num: 0
GRB_RA: 26.8484d {+01h 47m 23.61s} (J2000),
27.1023d {+01h 48m 24.55s} (current),
26.1339d {+01h 44m 32.13s} (1950)
GRB_DEC: +30.9069d {+30d 54' 24.8"} (J2000),
+30.9948d {+30d 59' 41.3"} (current),
+30.6577d {+30d 39' 27.8"} (1950)
GRB_ERROR: 2.2 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN: 1.00e-10 [erg/cm2/sec]
GRB_SIGNIF: 10.00 [sigma]
IMG_START_DATE: 18017 TJD; 264 DOY; 17/09/21
IMG_START_TIME: 52247.00 SOD {14:30:47.00} UT, 118.5 [sec] since BAT Trigger Time
TAM[0-3]: 100.00 100.00 100.00 100.00
AMPLIFIER: 1
WAVEFORM: 31
SUN_POSTN: 178.90d {+11h 55m 37s} +0.47d {+00d 28' 30"}
SUN_DIST: 138.69 [deg] Sun_angle= 10.1 [hr] (West of Sun)
MOON_POSTN: 195.94d {+13h 03m 45s} -2.34d {-02d 20' 17"}
MOON_DIST: 149.46 [deg]
MOON_ILLUM: 2 [%]
GAL_COORDS: 136.85,-30.45 [deg] galactic lon,lat of the burst
ECL_COORDS: 36.18, 18.49 [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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