[vsnet-grb 259888] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 02 May 15 11:33:23 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     639636,   Seg_Num: 0
POINT_RA:        350.767d {+23h 23m 04s} (J2000)
POINT_DEC:        +7.888d {+07d 53' 18"} (J2000)
IMG_START_DATE:  17144 TJD;   122 DOY;   15/05/02
IMG_START_TIME:  41593.78 SOD {11:33:13.78} UT,   151.3 [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.