[vsnet-grb 97050] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 23 Apr 09 08:13:18 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     350184,   Seg_Num: 0
GRB_RA:          148.8879d {+09h 55m 33.09s} (J2000),
                 149.0159d {+09h 56m 03.81s} (current),
                 148.1994d {+09h 52m 47.86s} (1950)
GRB_DEC:         +18.1496d {+18d 08' 58.5"} (J2000),
                 +18.1052d {+18d 06' 18.7"} (current),
                 +18.3871d {+18d 23' 13.5"} (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:  14944 TJD;   113 DOY;   09/04/23
IMG_START_TIME:  28601.00 SOD {07:56:41.00} UT,   81.7 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        31.09d {+02h 04m 21s}  +12.62d {+12d 37' 02"}
SUN_DIST:        111.50 [deg]   Sun_angle= -7.9 [hr] (East of Sun)
MOON_POSTN:        7.54d {+00h 30m 09s}   +8.16d {+08d 09' 20"}
MOON_DIST:       133.79 [deg]
MOON_ILLUM:      4 [%]
GAL_COORDS:      215.93, 48.65 [deg] galactic lon,lat of the burst
ECL_COORDS:      144.78,  5.19 [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