[vsnet-grb 259541] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 28 Apr 15 01:33:47 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     639275,   Seg_Num: 0
POINT_RA:        188.570d {+12h 34m 17s} (J2000)
POINT_DEC:        +6.953d {+06d 57' 12"} (J2000)
IMG_START_DATE:  17140 TJD;   118 DOY;   15/04/28
IMG_START_TIME:  5616.73 SOD {01:33:36.73} UT,   175.9 [sec] since BAT Trigger Time
COUNTS:          14    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.