[vsnet-grb 366039] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 10 May 18 21:31:30 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     831816,   Seg_Num: 0
GRB_RA:           77.9696d {+05h 11m 52.70s} (J2000),
                  78.0143d {+05h 12m 03.43s} (current),
                  77.8488d {+05h 11m 23.70s} (1950)
GRB_DEC:         -62.3235d {-62d 19' 24.6"} (J2000),
                 -62.3022d {-62d 18' 08.0"} (current),
                 -62.3818d {-62d 22' 54.5"} (1950)
GRB_ERROR:       3.6 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  18248 TJD;   130 DOY;   18/05/10
IMG_START_TIME:  75915.00 SOD {21:05:15.00} UT,   2972.7 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        47.73d {+03h 10m 55s}  +17.79d {+17d 47' 07"}
SUN_DIST:         83.58 [deg]   Sun_angle= -2.0 [hr] (East of Sun)
MOON_POSTN:      353.78d {+23h 35m 08s}   -6.38d {-06d 22' 30"}
MOON_DIST:        81.68 [deg]
MOON_ILLUM:      24 [%]
GAL_COORDS:      271.85,-35.30 [deg] galactic lon,lat of the burst
ECL_COORDS:       33.68,-83.32 [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%.