[vsnet-grb 262151] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 30 May 15 11:44:15 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     642018,   Seg_Num: 0
POINT_RA:        327.497d {+21h 49m 59s} (J2000)
POINT_DEC:       +57.486d {+57d 29' 09"} (J2000)
IMG_START_DATE:  17172 TJD;   150 DOY;   15/05/30
IMG_START_TIME:  42240.87 SOD {11:44:00.87} UT,   102.7 [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.