[vsnet-grb 362023] GCN/SWIFT_XRT_POSITION

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 04 Apr 18 02:13:21 UT
NOTICE_TYPE:     Swift-XRT Position
TRIGGER_NUM:     821902,   Seg_Num: 0
GRB_RA:           53.3967d {+03h 33m 35.20s} (J2000),
                  53.5326d {+03h 34m 07.83s} (current),
                  53.0247d {+03h 32m 05.93s} (1950)
GRB_DEC:         -50.2151d {-50d 12' 54.3"} (J2000),
                 -50.1546d {-50d 09' 16.5"} (current),
                 -50.3818d {-50d 22' 54.5"} (1950)
GRB_ERROR:       4.7 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.24e-08 [erg/cm2/sec]
GRB_SIGNIF:      15.09 [sigma]
IMG_START_DATE:  18212 TJD;    94 DOY;   18/04/04
IMG_START_TIME:  7973.96 SOD {02:12:53.96} UT,   69.9 [sec] since BAT Trigger Time
TAM[0-3]:        327.66 237.22 261.58 243.49
AMPLIFIER:       2
WAVEFORM:        134
SUN_POSTN:        13.14d {+00h 52m 33s}   +5.63d {+05d 37' 35"}
SUN_DIST:         65.77 [deg]   Sun_angle= -2.7 [hr] (East of Sun)
MOON_POSTN:      236.46d {+15h 45m 51s}  -14.86d {-14d 51' 30"}
MOON_DIST:       114.94 [deg]
MOON_ILLUM:      86 [%]
GAL_COORDS:      260.95,-51.56 [deg] galactic lon,lat of the burst
ECL_COORDS:       23.47,-65.42 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Coordinates.  
COMMENTS:        This matches a source in the BAT ground catalog: 2M033312-502451,   delta=0.208 [deg].  
COMMENTS:        The XRT position is 1.30 arcmin from the BAT position.  
COMMENTS:        The object found at this position is either a very bright burst or a cosmic ray hit.  
COMMENTS:        Examine the XRT Image to differentiate (CRs are much more compact); see examples at:  
COMMENTS:        http://www.swift.psu.edu/xrt/XRT_Postage_Stamp_Image_Photo_Gallery.htm .