[vsnet-grb 179882] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 12 Jul 12 13:56:58 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     526351,   Seg_Num: 0
GRB_RA:          169.5880d {+11h 18m 21.11s} (J2000),
                 169.7440d {+11h 18m 58.54s} (current),
                 168.9662d {+11h 15m 51.89s} (1950)
GRB_DEC:         -20.0341d {-20d 02' 02.7"} (J2000),
                 -20.1027d {-20d 06' 09.7"} (current),
                 -19.7606d {-19d 45' 38.0"} (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:  16120 TJD;   194 DOY;   12/07/12
IMG_START_TIME:  49522.00 SOD {13:45:22.00} UT,   174.6 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       112.29d {+07h 29m 09s}  +21.86d {+21d 51' 24"}
SUN_DIST:         70.07 [deg]   Sun_angle= -3.8 [hr] (East of Sun)
MOON_POSTN:       34.03d {+02h 16m 07s}  +16.18d {+16d 10' 52"}
MOON_DIST:       137.85 [deg]
MOON_ILLUM:      36 [%]
GAL_COORDS:      274.94, 37.73 [deg] galactic lon,lat of the burst
ECL_COORDS:      178.79,-22.45 [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%.