[vsnet-grb 261898] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 27 May 15 06:50:07 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     641698,   Seg_Num: 0
POINT_RA:        288.948d {+19h 15m 48s} (J2000)
POINT_DEC:        +4.182d {+04d 10' 57"} (J2000)
IMG_START_DATE:  17169 TJD;   147 DOY;   15/05/27
IMG_START_TIME:  24597.63 SOD {06:49:57.63} UT,   61.8 [sec] since BAT Trigger Time
COUNTS:          15    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.