[vsnet-grb 422282] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 04 Oct 19 21:53:20 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     927839,   Seg_Num: 0
GRB_RA:           49.2038d {+03h 16m 48.91s} (J2000),
                  49.3880d {+03h 17m 33.11s} (current),
                  48.7378d {+03h 14m 57.07s} (1950)
GRB_DEC:         -39.6348d {-39d 38' 05.2"} (J2000),
                 -39.5631d {-39d 33' 47.0"} (current),
                 -39.8176d {-39d 49' 03.2"} (1950)
GRB_ERROR:       3.7 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  18760 TJD;   277 DOY;   19/10/04
IMG_START_TIME:  77830.00 SOD {21:37:10.00} UT,   208.3 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       190.47d {+12h 41m 52s}   -4.50d {-04d 30' 07"}
SUN_DIST:        123.23 [deg]   Sun_angle= 9.4 [hr] (West of Sun)
MOON_POSTN:      272.57d {+18h 10m 16s}  -22.40d {-22d 23' 43"}
MOON_DIST:       106.09 [deg]
MOON_ILLUM:      42 [%]
GAL_COORDS:      244.90,-57.45 [deg] galactic lon,lat of the burst
ECL_COORDS:       29.20,-54.80 [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%.