[vsnet-grb 164567] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Dec 11 02:17:07 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     510075,   Seg_Num: 0
POINT_RA:         91.173d {+06h 04m 42s} (J2000)
POINT_DEC:       -23.984d {-23d 59' 02"} (J2000)
IMG_START_DATE:  15916 TJD;   355 DOY;   11/12/21
IMG_START_TIME:  8220.18 SOD {02:17:00.18} UT,   132.5 [sec] since BAT Trigger Time
COUNTS:          8    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.