[vsnet-grb 73390] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 17 May 08 21:25:05 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     311874,   Seg_Num: 0
POINT_RA:        102.252d {+06h 49m 01s} (J2000)
POINT_DEC:       +50.730d {+50d 43' 48"} (J2000)
IMG_START_DATE:  14603 TJD;   138 DOY;   08/05/17
IMG_START_TIME:  77097.51 SOD {21:24:57.51} UT,   125.5 [sec] since BAT Trigger Time
COUNTS:          17    Min_needed= 20
STD_DEV:         0.00   Max_StdDev_for_Good=28.44 [arcsec]
PH2_ITER:        2    Max_iter_allowed= 4
ERROR_CODE:      1
COMMENTS:        SWIFT-XRT Nack Position.  
COMMENTS:        No source found in the image.