[vsnet-grb 388005] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 26 Nov 18 10:08:05 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     873539,   Seg_Num: 0
GRB_RA:          152.3474d {+10h 09m 23.37s} (J2000),
                 152.5618d {+10h 10m 14.83s} (current),
                 151.7809d {+10h 07m 07.40s} (1950)
GRB_DEC:         -29.6875d {-29d 41' 15.0"} (J2000),
                 -29.7808d {-29d 46' 50.8"} (current),
                 -29.4415d {-29d 26' 29.5"} (1950)
GRB_ERROR:       2.6 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  18448 TJD;   330 DOY;   18/11/26
IMG_START_TIME:  35747.00 SOD {09:55:47.00} UT,   98.9 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       242.11d {+16h 08m 26s}  -20.96d {-20d 57' 46"}
SUN_DIST:         79.39 [deg]   Sun_angle= 6.0 [hr] (West of Sun)
MOON_POSTN:      107.52d {+07h 10m 05s}  +21.30d {+21d 17' 51"}
MOON_DIST:        66.98 [deg]
MOON_ILLUM:      87 [%]
GAL_COORDS:      265.67, 21.22 [deg] galactic lon,lat of the burst
ECL_COORDS:      167.34,-37.94 [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%.