[vsnet-grb 166719] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 21 Jan 12 09:44:26 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     512164,   Seg_Num: 0
POINT_RA:        249.364d {+16h 37m 27s} (J2000)
POINT_DEC:       -23.976d {-23d 58' 33"} (J2000)
IMG_START_DATE:  15947 TJD;    21 DOY;   12/01/21
IMG_START_TIME:  35058.72 SOD {09:44:18.72} UT,   119.5 [sec] since BAT Trigger Time
COUNTS:          2    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.