[vsnet-grb 145715] GCN/SWIFT_XRT_POSITION

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 29 Mar 11 18:32:49 UT
NOTICE_TYPE:     Swift-XRT Position
TRIGGER_NUM:     450257,   Seg_Num: 0
GRB_RA:          251.2042d {+16h 44m 49.00s} (J2000),
                 251.2550d {+16h 45m 01.18s} (current),
                 250.9791d {+16h 43m 54.99s} (1950)
GRB_DEC:         +57.5825d {+57d 34' 57.0"} (J2000),
                 +57.5624d {+57d 33' 44.5"} (current),
                 +57.6727d {+57d 40' 21.7"} (1950)
GRB_ERROR:       5.3 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.44e-09 [erg/cm2/sec]
GRB_SIGNIF:      7.21 [sigma]
IMG_START_DATE:  15649 TJD;    88 DOY;   11/03/29
IMG_START_TIME:  66739.25 SOD {18:32:19.25} UT,   354.1 [sec] since BAT Trigger Time
TAM[0-3]:        327.67 237.23 261.47 243.51
AMPLIFIER:       2
WAVEFORM:        134
SUN_POSTN:         8.01d {+00h 32m 03s}   +3.46d {+03d 27' 24"}
SUN_DIST:        100.96 [deg]   Sun_angle= 7.8 [hr] (West of Sun)
MOON_POSTN:      317.14d {+21h 08m 33s}  -12.50d {-12d 29' 52"}
MOON_DIST:        88.20 [deg]
MOON_ILLUM:      20 [%]
GAL_COORDS:       86.71, 39.44 [deg] galactic lon,lat of the burst
ECL_COORDS:      216.93, 77.52 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Coordinates.  
COMMENTS:        This matches a source in the BAT ground catalog: sw1644p5734,   delta=0.002 [deg].  
COMMENTS:        The XRT position is 1.13 arcmin from the BAT position.