[vsnet-grb 338133] GCN/SWIFT_XRT_POSITION_UPDATE
Bacodine
vxw at capella2.gsfc.nasa.gov
Sun Sep 3 22:50:53 JST 2017
TITLE: GCN/SWIFT NOTICE
NOTICE_DATE: Sun 03 Sep 17 13:50:42 UT
NOTICE_TYPE: Swift-XRT Position UPDATE
TRIGGER_NUM: 770528, Seg_Num: 0
GRB_RA: 254.5251d {+16h 58m 06.02s} (J2000),
254.6852d {+16h 58m 44.44s} (current),
254.0724d {+16h 56m 17.36s} (1950)
GRB_DEC: +34.9793d {+34d 58' 45.4"} (J2000),
+34.9532d {+34d 57' 11.4"} (current),
+35.0546d {+35d 03' 16.7"} (1950)
GRB_ERROR: 3.5 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN: 1.00e-10 [erg/cm2/sec]
GRB_SIGNIF: 10.00 [sigma]
IMG_START_DATE: 17999 TJD; 246 DOY; 17/09/03
IMG_START_TIME: 49606.00 SOD {13:46:46.00} UT, 3458.8 [sec] since BAT Trigger Time
TAM[0-3]: 100.00 100.00 100.00 100.00
AMPLIFIER: 1
WAVEFORM: 31
SUN_POSTN: 162.70d {+10h 50m 49s} +7.34d {+07d 20' 37"}
SUN_DIST: 87.41 [deg] Sun_angle= -6.1 [hr] (East of Sun)
MOON_POSTN: 311.18d {+20h 44m 44s} -16.55d {-16d 33' 13"}
MOON_DIST: 74.31 [deg]
MOON_ILLUM: 92 [%]
GAL_COORDS: 57.71, 37.41 [deg] galactic lon,lat of the burst
ECL_COORDS: 246.23, 57.15 [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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