[vsnet-grb 370560] GCN/SWIFT_XRT_POSITION_UPDATE

Bacodine vxw at capella2.gsfc.nasa.gov
Thu Jun 21 01:09:44 JST 2018


TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 20 Jun 18 16:09:32 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     843211,   Seg_Num: 0
GRB_RA:          357.5212d {+23h 50m 05.08s} (J2000),
                 357.7646d {+23h 51m 03.49s} (current),
                 356.8588d {+23h 47m 26.10s} (1950)
GRB_DEC:         -57.9628d {-57d 57' 46.0"} (J2000),
                 -57.8601d {-57d 51' 36.2"} (current),
                 -58.2409d {-58d 14' 27.1"} (1950)
GRB_ERROR:       2.3 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  18289 TJD;   171 DOY;   18/06/20
IMG_START_TIME:  57382.00 SOD {15:56:22.00} UT,   344.8 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        89.23d {+05h 56m 54s}  +23.43d {+23d 26' 04"}
SUN_DIST:        110.44 [deg]   Sun_angle= 6.1 [hr] (West of Sun)
MOON_POSTN:      183.66d {+12h 14m 39s}   +3.05d {+03d 02' 55"}
MOON_DIST:       124.99 [deg]
MOON_ILLUM:      53 [%]
GAL_COORDS:      318.00,-57.33 [deg] galactic lon,lat of the burst
ECL_COORDS:      325.94,-50.23 [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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