[vsnet-grb 146848] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 14 Apr 11 07:57:10 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     451343,   Seg_Num: 0
GRB_RA:           97.8726d {+06h 31m 29.42s} (J2000),
                  98.0453d {+06h 32m 10.87s} (current),
                  97.1070d {+06h 28m 25.67s} (1950)
GRB_DEC:         +24.3624d {+24d 21' 44.6"} (J2000),
                 +24.3537d {+24d 21' 13.3"} (current),
                 +24.3987d {+24d 23' 55.2"} (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:  15665 TJD;   104 DOY;   11/04/14
IMG_START_TIME:  27964.00 SOD {07:46:04.00} UT,   229.5 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        22.25d {+01h 29m 00s}   +9.32d {+09d 19' 19"}
SUN_DIST:         73.30 [deg]   Sun_angle= -5.1 [hr] (East of Sun)
MOON_POSTN:      151.36d {+10h 05m 27s}   +6.77d {+06d 46' 17"}
MOON_DIST:        53.91 [deg]
MOON_ILLUM:      80 [%]
GAL_COORDS:      188.97,  6.75 [deg] galactic lon,lat of the burst
ECL_COORDS:       97.17,  1.12 [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%.