[vsnet-grb 202992] GCN/SWIFT_XRT_POSITION

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 15 May 13 01:27:27 UT
NOTICE_TYPE:     Swift-XRT Position
TRIGGER_NUM:     555880,   Seg_Num: 0
GRB_RA:          283.4397d {+18h 53m 45.52s} (J2000),
                 283.7115d {+18h 54m 50.77s} (current),
                 282.4214d {+18h 49m 41.14s} (1950)
GRB_DEC:         -54.2790d {-54d 16' 44.4"} (J2000),
                 -54.2615d {-54d 15' 41.5"} (current),
                 -54.3413d {-54d 20' 28.6"} (1950)
GRB_ERROR:       4.5 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  16427 TJD;   135 DOY;   13/05/15
IMG_START_TIME:  4967.00 SOD {01:22:47.00} UT,   89.2 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        52.03d {+03h 28m 07s}  +18.87d {+18d 52' 04"}
SUN_DIST:        127.24 [deg]   Sun_angle= 8.6 [hr] (West of Sun)
MOON_POSTN:      110.30d {+07h 21m 12s}  +17.34d {+17d 20' 32"}
MOON_DIST:       142.73 [deg]
MOON_ILLUM:      21 [%]
GAL_COORDS:      341.97,-22.05 [deg] galactic lon,lat of the burst
ECL_COORDS:      279.13,-31.27 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Coordinates.  
COMMENTS:        This Notice was ground-generated -- not flight-generated.  
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 0.58% < P(seren) < 1.1%.