[vsnet-grb 491648] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 12 Jul 21 09:56:35 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     1059881,   Seg_Num: 0
GRB_RA:           97.3319d {+06h 29m 19.65s} (J2000),
                  97.5233d {+06h 30m 05.60s} (current),
                  96.8874d {+06h 27m 32.97s} (1950)
GRB_DEC:         -35.3716d {-35d 22' 17.7"} (J2000),
                 -35.3871d {-35d 23' 13.5"} (current),
                 -35.3371d {-35d 20' 13.7"} (1950)
GRB_ERROR:       1.9 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  19407 TJD;   193 DOY;   21/07/12
IMG_START_TIME:  35244.00 SOD {09:47:24.00} UT,   252.1 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       111.94d {+07h 27m 46s}  +21.90d {+21d 54' 15"}
SUN_DIST:         58.90 [deg]   Sun_angle= 1.0 [hr] (West of Sun)
MOON_POSTN:      141.95d {+09h 27m 48s}  +19.98d {+19d 59' 01"}
MOON_DIST:        69.56 [deg]
MOON_ILLUM:      6 [%]
GAL_COORDS:      243.50,-19.50 [deg] galactic lon,lat of the burst
ECL_COORDS:      101.49,-58.52 [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 0.11% < P(seren) < 0.58%.