[vsnet-grb 202986] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 15 May 13 01:22:40 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     555880,   Seg_Num: 0
POINT_RA:        283.449d {+18h 53m 48s} (J2000)
POINT_DEC:       -54.286d {-54d 17' 08"} (J2000)
IMG_START_DATE:  16427 TJD;   135 DOY;   13/05/15
IMG_START_TIME:  4952.97 SOD {01:22:32.97} UT,   75.2 [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.