[vsnet-grb 436571] GCN/SWIFT_XRT_IMAGE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 19 Feb 20 07:43:42 UT
NOTICE_TYPE:     Swift-XRT Image
TRIGGER_NUM:     957271,   Seg_Num: 0
GRB_RA:          342.6350d {+22h 50m 32.3s} (J2000),
                 342.9483d {+22h 51m 47.5s} (current),
                 341.8518d {+22h 47m 24.4s} (1950)
GRB_DEC:         -59.1206d {-59d 07' 14.1"} (J2000),
                 -59.0135d {-59d 00' 48.6"} (current),
                 -59.3857d {-59d 23' 08.6"} (1950)
GRB_ERROR:       4.7 [arcsec, radius, statistical plus systematic]
GRB_INTEN:       117 [cnts]
IMG_START_DATE:  18898 TJD;    50 DOY;   20/02/19
IMG_START_TIME:  27476.63 SOD {07:37:56.63} UT,   67.5 [sec] since BAT Trigger Time
CENTROID_X:      331.76,  raw= 332  [pixels]
CENTROID_Y:      305.33,  raw= 305  [pixels]
ROLL:            346.25 [deg]
GAIN:            2
MODE:            3, Long Image mode
WAVEFORM:        134
EXPO_TIME:       2.50 [sec]
GRB_POS_XRT_Y:   17.04
GRB_POS_XRT_Z:   57.43
IMAGE_URL:       sw00957271000msxps_rw.img
SUN_POSTN:       332.20d {+22h 08m 49s}  -11.43d {-11d 25' 40"}
SUN_DIST:         48.27 [deg]   Sun_angle= -0.7 [hr] (East of Sun)
MOON_POSTN:      282.13d {+18h 48m 30s}  -23.33d {-23d 20' 00"}
MOON_DIST:        55.25 [deg]
MOON_ILLUM:      17 [%]
GAL_COORDS:      327.64,-51.82 [deg] galactic lon,lat of the burst
ECL_COORDS:      315.47,-46.59 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Image.  
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 .