[vsnet-grb 145727] GCN/SWIFT_XRT_POSITION

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 29 Mar 11 19:59:44 UT
NOTICE_TYPE:     Swift-XRT Position
TRIGGER_NUM:     450258,   Seg_Num: 0
GRB_RA:          251.2035d {+16h 44m 48.83s} (J2000),
                 251.2542d {+16h 45m 01.01s} (current),
                 250.9785d {+16h 43m 54.82s} (1950)
GRB_DEC:         +57.5831d {+57d 34' 59.1"} (J2000),
                 +57.5630d {+57d 33' 46.6"} (current),
                 +57.6733d {+57d 40' 23.9"} (1950)
GRB_ERROR:       4.9 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       3.94e-09 [erg/cm2/sec]
GRB_SIGNIF:      10.39 [sigma]
IMG_START_DATE:  15649 TJD;    88 DOY;   11/03/29
IMG_START_TIME:  71955.29 SOD {19:59:15.29} UT,   90.1 [sec] since BAT Trigger Time
TAM[0-3]:        327.65 237.22 261.33 243.59
AMPLIFIER:       2
WAVEFORM:        134
SUN_POSTN:         8.07d {+00h 32m 16s}   +3.48d {+03d 28' 49"}
SUN_DIST:        100.97 [deg]   Sun_angle= 7.8 [hr] (West of Sun)
MOON_POSTN:      317.83d {+21h 11m 20s}  -12.25d {-12d 14' 42"}
MOON_DIST:        88.32 [deg]
MOON_ILLUM:      19 [%]
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 0.70 arcmin from the BAT position.