[vsnet-grb 495991] GCN/SWIFT_XRT_IMAGE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 18 Aug 21 01:03:41 UT
NOTICE_TYPE:     Swift-XRT Image
TRIGGER_NUM:     1069169,   Seg_Num: 0
GRB_RA:          148.8492d {+09h 55m 23.8s} (J2000),
                 147.8905d {+09h 51m 33.7s} (current),
                 150.7896d {+10h 03m 09.4s} (1950)
GRB_DEC:         -87.0252d {-87d 01' 30.7"} (J2000),
                 -87.1277d {-87d 07' 39.8"} (current),
                 -86.7843d {-86d 47' 03.4"} (1950)
GRB_ERROR:       4.7 [arcsec, radius, statistical plus systematic]
GRB_INTEN:       262 [cnts]
IMG_START_DATE:  19444 TJD;   230 DOY;   21/08/18
IMG_START_TIME:  3786.91 SOD {01:03:06.91} UT,   59.0 [sec] since BAT Trigger Time
CENTROID_X:      304.88,  raw= 305  [pixels]
CENTROID_Y:      318.43,  raw= 318  [pixels]
ROLL:            358.53 [deg]
GAIN:            4
MODE:            3, Long Image mode
WAVEFORM:        134
EXPO_TIME:       2.50 [sec]
GRB_POS_XRT_Y:   47.92
GRB_POS_XRT_Z:   -5.93
IMAGE_URL:       sw01069169000msxps_rw.img
SUN_POSTN:       147.60d {+09h 50m 25s}  +13.08d {+13d 04' 32"}
SUN_DIST:        100.20 [deg]   Sun_angle= -0.0 [hr] (East of Sun)
MOON_POSTN:      266.84d {+17h 47m 23s}  -25.19d {-25d 11' 08"}
MOON_DIST:        66.23 [deg]
MOON_ILLUM:      76 [%]
GAL_COORDS:      300.65,-24.97 [deg] galactic lon,lat of the burst
ECL_COORDS:      263.20,-67.96 [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 .