[vsnet-grb 370508] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 20 Jun 18 08:39:31 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     843122,   Seg_Num: 0
POINT_RA:        279.889d {+18h 39m 33s} (J2000)
POINT_DEC:       +23.290d {+23d 17' 25"} (J2000)
IMG_START_DATE:  18289 TJD;   171 DOY;   18/06/20
IMG_START_TIME:  31165.14 SOD {08:39:25.14} UT,   267.1 [sec] since BAT Trigger Time
COUNTS:          4    Min_needed= 20
STD_DEV:         0.00   Max_StdDev_for_Good=28.44 [arcsec]
PH2_ITER:        1    Max_iter_allowed= 4
ERROR_CODE:      1
COMMENTS:        SWIFT-XRT Nack Position.  
COMMENTS:        No source found in the image.