[vsnet-grb 150172] GCN/SWIFT_XRT_POSITION_UPDATE
Bacodine
vxw at capella2.gsfc.nasa.gov
Tue May 31 00:53:20 JST 2011
TITLE: GCN/SWIFT NOTICE
NOTICE_DATE: Mon 30 May 11 15:52:58 UT
NOTICE_TYPE: Swift-XRT Position UPDATE
TRIGGER_NUM: 454473, Seg_Num: 0
GRB_RA: 282.0692d {+18h 48m 16.60s} (J2000),
282.0989d {+18h 48m 23.73s} (current),
281.9387d {+18h 47m 45.28s} (1950)
GRB_DEC: +61.9286d {+61d 55' 42.9"} (J2000),
+61.9419d {+61d 56' 30.8"} (current),
+61.8707d {+61d 52' 14.5"} (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: 15711 TJD; 150 DOY; 11/05/30
IMG_START_TIME: 56314.00 SOD {15:38:34.00} UT, 451.3 [sec] since BAT Trigger Time
TAM[0-3]: 100.00 100.00 100.00 100.00
AMPLIFIER: 1
WAVEFORM: 31
SUN_POSTN: 67.19d {+04h 28m 46s} +21.78d {+21d 46' 56"}
SUN_DIST: 91.76 [deg] Sun_angle= 9.7 [hr] (West of Sun)
MOON_POSTN: 40.02d {+02h 40m 04s} +19.19d {+19d 11' 23"}
MOON_DIST: 85.29 [deg]
MOON_ILLUM: 5 [%]
GAL_COORDS: 91.91, 24.09 [deg] galactic lon,lat of the burst
ECL_COORDS: 324.10, 83.02 [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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