[vsnet-grb 470011] GCN/SWIFT_XRT_IMAGE
Bacodine
vxw at capella2.gsfc.nasa.gov
Sat Jan 2 09:19:40 JST 2021
TITLE: GCN/SWIFT NOTICE
NOTICE_DATE: Sat 02 Jan 21 00:19:26 UT
NOTICE_TYPE: Swift-XRT Image
TRIGGER_NUM: 1015615, Seg_Num: 0
GRB_RA: 234.9978d {+15h 39m 59.4s} (J2000),
236.2573d {+15h 45m 01.7s} (current),
232.1074d {+15h 28m 25.7s} (1950)
GRB_DEC: -84.4012d {-84d 24' 04.3"} (J2000),
-84.4672d {-84d 28' 02.0"} (current),
-84.2357d {-84d 14' 08.3"} (1950)
GRB_ERROR: 4.7 [arcsec, radius, statistical plus systematic]
GRB_INTEN: 67 [cnts]
IMG_START_DATE: 19216 TJD; 2 DOY; 21/01/02
IMG_START_TIME: 1127.73 SOD {00:18:47.73} UT, 95.1 [sec] since BAT Trigger Time
CENTROID_X: 436.72, raw= 437 [pixels]
CENTROID_Y: 29.79, raw= 30 [pixels]
ROLL: 50.35 [deg]
GAIN: 2
MODE: 2, Short Image mode
WAVEFORM: 134
EXPO_TIME: 0.10 [sec]
GRB_POS_XRT_Y: -632.46
GRB_POS_XRT_Z: 304.85
IMAGE_URL: sw01015615000msxps_rw.img
SUN_POSTN: 282.85d {+18h 51m 23s} -22.91d {-22d 54' 36"}
SUN_DIST: 63.35 [deg] Sun_angle= 3.1 [hr] (West of Sun)
MOON_POSTN: 139.93d {+09h 19m 43s} +20.15d {+20d 09' 16"}
MOON_DIST: 110.67 [deg]
MOON_ILLUM: 91 [%]
GAL_COORDS: 307.01,-22.92 [deg] galactic lon,lat of the burst
ECL_COORDS: 263.20,-61.80 [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 .
COMMENTS: WARNING: The centroided position is more than 100 rows or columns from the center of the FOV.
COMMENTS: There is a bright star (mag=6.05) 4.44 arcmin from the BAT position.
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