[vsnet-grb 478379] GCN/SWIFT_XRT_POSITION_UPDATE
Bacodine
vxw at capella2.gsfc.nasa.gov
Sun Mar 21 17:45:13 JST 2021
TITLE: GCN/SWIFT NOTICE
NOTICE_DATE: Sun 21 Mar 21 08:45:13 UT
NOTICE_TYPE: Swift-XRT Position UPDATE
TRIGGER_NUM: 1037828, Seg_Num: 0
GRB_RA: 87.8960d {+05h 51m 35.04s} (J2000),
88.4946d {+05h 53m 58.70s} (current),
86.4863d {+05h 45m 56.71s} (1950)
GRB_DEC: +70.1306d {+70d 07' 50.1"} (J2000),
+70.1343d {+70d 08' 03.5"} (current),
+70.1170d {+70d 07' 01.0"} (1950)
GRB_ERROR: 3.6 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN: 1.00e-10 [erg/cm2/sec]
GRB_SIGNIF: 10.00 [sigma]
IMG_START_DATE: 19294 TJD; 80 DOY; 21/03/21
IMG_START_TIME: 28887.00 SOD {08:01:27.00} UT, 2856.0 [sec] since BAT Trigger Time
TAM[0-3]: 100.00 100.00 100.00 100.00
AMPLIFIER: 1
WAVEFORM: 31
SUN_POSTN: 0.88d {+00h 03m 31s} +0.38d {+00d 22' 55"}
SUN_DIST: 88.83 [deg] Sun_angle= -5.8 [hr] (East of Sun)
MOON_POSTN: 87.91d {+05h 51m 38s} +24.74d {+24d 44' 17"}
MOON_DIST: 45.40 [deg]
MOON_ILLUM: 48 [%]
GAL_COORDS: 143.46, 20.53 [deg] galactic lon,lat of the burst
ECL_COORDS: 88.96, 46.70 [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: The probability that this is a serendipitous source in the
COMMENTS: SPER window is 0.58% < P(seren) < 1.1%.
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