[vsnet-grb 370545] GCN/SWIFT_XRT_POSITION

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 20 Jun 18 15:52:24 UT
NOTICE_TYPE:     Swift-XRT Position
TRIGGER_NUM:     843211,   Seg_Num: 0
GRB_RA:          357.5191d {+23h 50m 04.58s} (J2000),
                 357.7625d {+23h 51m 02.99s} (current),
                 356.8566d {+23h 47m 25.59s} (1950)
GRB_DEC:         -57.9639d {-57d 57' 50.0"} (J2000),
                 -57.8612d {-57d 51' 40.2"} (current),
                 -58.2420d {-58d 14' 31.0"} (1950)
GRB_ERROR:       4.8 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       7.04e-09 [erg/cm2/sec]
GRB_SIGNIF:      13.96 [sigma]
IMG_START_DATE:  18289 TJD;   171 DOY;   18/06/20
IMG_START_TIME:  57120.36 SOD {15:52:00.36} UT,   83.2 [sec] since BAT Trigger Time
TAM[0-3]:        327.64 237.14 261.64 243.61
AMPLIFIER:       2
WAVEFORM:        134
SUN_POSTN:        89.21d {+05h 56m 51s}  +23.43d {+23d 26' 04"}
SUN_DIST:        110.43 [deg]   Sun_angle= 6.1 [hr] (West of Sun)
MOON_POSTN:      183.51d {+12h 14m 03s}   +3.10d {+03d 06' 15"}
MOON_DIST:       125.06 [deg]
MOON_ILLUM:      53 [%]
GAL_COORDS:      318.00,-57.33 [deg] galactic lon,lat of the burst
ECL_COORDS:      325.94,-50.23 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Coordinates.  
COMMENTS:        The XRT position is 0.41 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 .