[vsnet-grb 326188] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 19 May 17 05:29:34 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     753445,   Seg_Num: 0
GRB_RA:          163.4282d {+10h 53m 42.76s} (J2000),
                 163.6638d {+10h 54m 39.32s} (current),
                 162.7490d {+10h 51m 00.23s} (1950)
GRB_DEC:         +25.3737d {+25d 22' 25.3"} (J2000),
                 +25.2809d {+25d 16' 51.2"} (current),
                 +25.6401d {+25d 38' 24.2"} (1950)
GRB_ERROR:       4.8 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  17892 TJD;   139 DOY;   17/05/19
IMG_START_TIME:  18996.00 SOD {05:16:36.00} UT,   393.2 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        56.20d {+03h 44m 48s}  +19.81d {+19d 48' 39"}
SUN_DIST:         96.35 [deg]   Sun_angle= -7.2 [hr] (East of Sun)
MOON_POSTN:      332.82d {+22h 11m 16s}  -11.49d {-11d 29' 24"}
MOON_DIST:       162.81 [deg]
MOON_ILLUM:      48 [%]
GAL_COORDS:      210.02, 63.61 [deg] galactic lon,lat of the burst
ECL_COORDS:      154.83, 16.90 [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:        The probability that this is a serendipitous source in the  
COMMENTS:        SPER window is 0.11% < P(seren) < 0.58%.