[vsnet-grb 170293] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 11 Mar 12 06:26:31 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     517469,   Seg_Num: 0
POINT_RA:        273.070d {+18h 12m 17s} (J2000)
POINT_DEC:       +14.266d {+14d 15' 57"} (J2000)
IMG_START_DATE:  15997 TJD;    71 DOY;   12/03/11
IMG_START_TIME:  23179.93 SOD {06:26:19.93} UT,   3161.6 [sec] since BAT Trigger Time
COUNTS:          1    Min_needed= 20
STD_DEV:         0.00   Max_StdDev_for_Good=28.44 [arcsec]
PH2_ITER:        0    Max_iter_allowed= 4
ERROR_CODE:      1
COMMENTS:        SWIFT-XRT Nack Position.  
COMMENTS:        No source found in the image.