[vsnet-grb 395730] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 04 Feb 19 06:23:18 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     887579,   Seg_Num: 0
GRB_RA:          351.4777d {+23h 25m 54.64s} (J2000),
                 351.7002d {+23h 26m 48.04s} (current),
                 350.8975d {+23h 23m 35.40s} (1950)
GRB_DEC:         +54.8764d {+54d 52' 35.0"} (J2000),
                 +54.9816d {+54d 58' 53.5"} (current),
                 +54.6013d {+54d 36' 04.6"} (1950)
GRB_ERROR:       3.6 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  18518 TJD;    35 DOY;   19/02/04
IMG_START_TIME:  21770.00 SOD {06:02:50.00} UT,   1004.0 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       317.60d {+21h 10m 24s}  -16.29d {-16d 17' 39"}
SUN_DIST:         76.92 [deg]   Sun_angle= -2.3 [hr] (East of Sun)
MOON_POSTN:      311.18d {+20h 44m 44s}  -19.20d {-19d 12' 05"}
MOON_DIST:        81.80 [deg]
MOON_ILLUM:      0 [%]
GAL_COORDS:      110.76, -5.96 [deg] galactic lon,lat of the burst
ECL_COORDS:       23.48, 51.66 [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%.