[vsnet-grb 474955] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 17 Feb 21 23:38:14 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     1033264,   Seg_Num: 0
GRB_RA:           97.5833d {+06h 30m 19.99s} (J2000),
                  98.1532d {+06h 32m 36.77s} (current),
                  96.2324d {+06h 24m 55.76s} (1950)
GRB_DEC:         +68.7250d {+68d 43' 29.9"} (J2000),
                 +68.7089d {+68d 42' 32.0"} (current),
                 +68.7585d {+68d 45' 30.5"} (1950)
GRB_ERROR:       2.2 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  19262 TJD;    48 DOY;   21/02/17
IMG_START_TIME:  84451.00 SOD {23:27:31.00} UT,   108.7 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       331.65d {+22h 06m 35s}  -11.63d {-11d 37' 59"}
SUN_DIST:        113.55 [deg]   Sun_angle= -8.4 [hr] (East of Sun)
MOON_POSTN:       38.68d {+02h 34m 44s}  +12.00d {+12d 00' 15"}
MOON_DIST:        68.02 [deg]
MOON_ILLUM:      33 [%]
GAL_COORDS:      146.09, 23.28 [deg] galactic lon,lat of the burst
ECL_COORDS:       93.91, 45.39 [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%.