[vsnet-grb 123751] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 18 May 10 06:21:00 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     422437,   Seg_Num: 0
POINT_RA:        311.164d {+20h 44m 39s} (J2000)
POINT_DEC:       +40.170d {+40d 10' 13"} (J2000)
IMG_START_DATE:  15334 TJD;   138 DOY;   10/05/18
IMG_START_TIME:  22781.10 SOD {06:19:41.10} UT,   80.3 [sec] since BAT Trigger Time
COUNTS:          76    Min_needed= 20
STD_DEV:         34.92   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.