[vsnet-grb 473662] GCN/SWIFT_XRT_IMAGE
Bacodine
vxw at capella2.gsfc.nasa.gov
Mon Feb 8 06:53:59 JST 2021
TITLE: GCN/SWIFT NOTICE
NOTICE_DATE: Sun 07 Feb 21 21:53:58 UT
NOTICE_TYPE: Swift-XRT Image
TRIGGER_NUM: 1031297, Seg_Num: 0
GRB_RA: 270.6356d {+18h 02m 32.5s} (J2000),
270.7462d {+18h 02m 59.0s} (current),
270.3738d {+18h 01m 29.7s} (1950)
GRB_DEC: +53.6836d {+53d 41' 00.9"} (J2000),
+53.6850d {+53d 41' 06.0"} (current),
+53.6811d {+53d 40' 52.1"} (1950)
GRB_ERROR: 4.7 [arcsec, radius, statistical plus systematic]
GRB_INTEN: 227 [cnts]
IMG_START_DATE: 19252 TJD; 38 DOY; 21/02/07
IMG_START_TIME: 78802.03 SOD {21:53:22.03} UT, 73.9 [sec] since BAT Trigger Time
CENTROID_X: 295.55, raw= 296 [pixels]
CENTROID_Y: 321.38, raw= 321 [pixels]
ROLL: 130.46 [deg]
GAIN: 4
MODE: 3, Long Image mode
WAVEFORM: 134
EXPO_TIME: 2.50 [sec]
GRB_POS_XRT_Y: 54.89
GRB_POS_XRT_Z: -27.91
IMAGE_URL: sw01031297000msxps_rw.img
SUN_POSTN: 321.77d {+21h 27m 06s} -15.02d {-15d 00' 54"}
SUN_DIST: 81.31 [deg] Sun_angle= 3.4 [hr] (West of Sun)
MOON_POSTN: 270.67d {+18h 02m 41s} -24.62d {-24d 36' 57"}
MOON_DIST: 78.30 [deg]
MOON_ILLUM: 17 [%]
GAL_COORDS: 81.68, 28.62 [deg] galactic lon,lat of the burst
ECL_COORDS: 271.69, 77.12 [deg] ecliptic lon,lat of the burst
COMMENTS: SWIFT-XRT Image.
COMMENTS: The object found at this position is either a very bright burst or a cosmic ray hit.
COMMENTS: Examine the XRT Image to differentiate (CRs are much more compact); see examples at:
COMMENTS: http://www.swift.psu.edu/xrt/XRT_Postage_Stamp_Image_Photo_Gallery.htm .
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