[vsnet-grb 73927] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 23 May 08 21:43:10 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     312242,   Seg_Num: 0
GRB_RA:           20.7985d {+01h 23m 11.6s} (J2000),
                  20.8719d {+01h 23m 29.2s} (current),
                  20.3601d {+01h 21m 26.4s} (1950)
GRB_DEC:         -64.0317d {-64d 01' 54.1"} (J2000),
                 -63.9880d {-63d 59' 16.9"} (current),
                 -64.2923d {-64d 17' 32.4"} (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:  14609 TJD;   144 DOY;   08/05/23
IMG_START_TIME:  77265.00 SOD {21:27:45.00} UT,   353.7 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        61.07d {+04h 04m 17s}  +20.78d {+20d 46' 40"}
SUN_DIST:         90.32 [deg]   Sun_angle= 2.7 [hr] (West of Sun)
MOON_POSTN:      286.41d {+19h 05m 37s}  -25.62d {-25d 37' 10"}
MOON_DIST:        69.04 [deg]
MOON_ILLUM:      87 [%]
GAL_COORDS:      297.20,-52.74 [deg] galactic lon,lat of the burst
ECL_COORDS:      332.29,-62.46 [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.