[vsnet-grb 362014] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 04 Apr 18 00:59:16 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     821881,   Seg_Num: 0
GRB_RA:           83.5485d {+05h 34m 11.64s} (J2000),
                  83.7058d {+05h 34m 49.40s} (current),
                  83.1178d {+05h 32m 28.26s} (1950)
GRB_DEC:         -37.1683d {-37d 10' 05.8"} (J2000),
                 -37.1570d {-37d 09' 25.2"} (current),
                 -37.2006d {-37d 12' 02.2"} (1950)
GRB_ERROR:       2.5 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  18212 TJD;    94 DOY;   18/04/04
IMG_START_TIME:  2869.00 SOD {00:47:49.00} UT,   133.3 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        13.09d {+00h 52m 22s}   +5.61d {+05d 36' 24"}
SUN_DIST:         78.21 [deg]   Sun_angle= -4.7 [hr] (East of Sun)
MOON_POSTN:      235.82d {+15h 43m 16s}  -14.70d {-14d 42' 04"}
MOON_DIST:       121.88 [deg]
MOON_ILLUM:      87 [%]
GAL_COORDS:      241.97,-30.66 [deg] galactic lon,lat of the burst
ECL_COORDS:       79.56,-60.37 [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.  
COMMENTS:        The probability that this is a serendipitous source in the  
COMMENTS:        SPER window is 0.58% < P(seren) < 1.1%.