[vsnet-grb 123360] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 13 May 10 02:09:22 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     421814,   Seg_Num: 0
POINT_RA:        169.574d {+11h 18m 18s} (J2000)
POINT_DEC:        +3.606d {+03d 36' 22"} (J2000)
IMG_START_DATE:  15329 TJD;   133 DOY;   10/05/13
IMG_START_TIME:  7755.53 SOD {02:09:15.53} UT,   126.8 [sec] since BAT Trigger Time
COUNTS:          16    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.