[vsnet-grb 144923] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 18 Mar 11 15:41:24 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     449549,   Seg_Num: 0
GRB_RA:          211.6785d {+14h 06m 42.84s} (J2000),
                 211.8636d {+14h 07m 27.26s} (current),
                 210.8566d {+14h 03m 25.58s} (1950)
GRB_DEC:         -51.5790d {-51d 34' 44.4"} (J2000),
                 -51.6321d {-51d 37' 55.3"} (current),
                 -51.3410d {-51d 20' 27.7"} (1950)
GRB_ERROR:       2.4 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  15638 TJD;    77 DOY;   11/03/18
IMG_START_TIME:  55717.00 SOD {15:28:37.00} UT,   87.3 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       357.88d {+23h 51m 32s}   -0.92d {-00d 55' 03"}
SUN_DIST:        120.14 [deg]   Sun_angle= 9.7 [hr] (West of Sun)
MOON_POSTN:      161.69d {+10h 46m 46s}   +2.59d {+02d 35' 28"}
MOON_DIST:        68.80 [deg]
MOON_ILLUM:      98 [%]
GAL_COORDS:      314.66,  9.57 [deg] galactic lon,lat of the burst
ECL_COORDS:      229.13,-36.09 [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%.