[vsnet-grb 291458] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 16 May 16 20:51:13 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     686443,   Seg_Num: 0
POINT_RA:        293.719d {+19h 34m 53s} (J2000)
POINT_DEC:       +21.898d {+21d 53' 54"} (J2000)
IMG_START_DATE:  17524 TJD;   137 DOY;   16/05/16
IMG_START_TIME:  75065.03 SOD {20:51:05.03} UT,   78.1 [sec] since BAT Trigger Time
COUNTS:          23    Min_needed= 20
STD_DEV:         34.92   Max_StdDev_for_Good=28.44 [arcsec]
PH2_ITER:        1    Max_iter_allowed= 4
ERROR_CODE:      3
COMMENTS:        SWIFT-XRT Nack Position.  
COMMENTS:        Standard deviation too large.