[vsnet-grb 70854] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 09 Apr 08 01:42:02 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     308812,   Seg_Num: 0
GRB_RA:           84.3302d {+05h 37m 19.2s} (J2000),
                  84.4402d {+05h 37m 45.6s} (current),
                  83.6651d {+05h 34m 39.6s} (1950)
GRB_DEC:          +5.0850d {+05d 05' 05.9"} (J2000),
                  +5.0895d {+05d 05' 22.2"} (current),
                  +5.0559d {+05d 03' 21.1"} (1950)
GRB_ERROR:       2.9 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  14565 TJD;   100 DOY;   08/04/09
IMG_START_TIME:  5073.00 SOD {01:24:33.00} UT,   95.4 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        18.08d {+01h 12m 19s}   +7.66d {+07d 39' 41"}
SUN_DIST:         65.94 [deg]   Sun_angle= -4.4 [hr] (East of Sun)
MOON_POSTN:       56.78d {+03h 47m 07s}  +25.15d {+25d 08' 56"}
MOON_DIST:        33.25 [deg]
MOON_ILLUM:      12 [%]
GAL_COORDS:      199.63,-13.96 [deg] galactic lon,lat of the burst
ECL_COORDS:       84.05,-18.24 [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