[vsnet-grb 373313] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 15 Jul 18 19:07:36 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     848048,   Seg_Num: 0
POINT_RA:        235.031d {+15h 40m 07s} (J2000)
POINT_DEC:        -0.902d {-00d 54' 05"} (J2000)
IMG_START_DATE:  18314 TJD;   196 DOY;   18/07/15
IMG_START_TIME:  68392.83 SOD {18:59:52.83} UT,   3167.8 [sec] since BAT Trigger Time
COUNTS:          193    Min_needed= 20
STD_DEV:         33.48   Max_StdDev_for_Good=28.44 [arcsec]
PH2_ITER:        2    Max_iter_allowed= 4
ERROR_CODE:      3
COMMENTS:        SWIFT-XRT Nack Position.  
COMMENTS:        Standard deviation too large.