[vsnet-grb 356454] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 16 Feb 18 06:56:25 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     810300,   Seg_Num: 0
POINT_RA:        254.523d {+16h 58m 06s} (J2000)
POINT_DEC:       -42.714d {-42d 42' 49"} (J2000)
IMG_START_DATE:  18165 TJD;    47 DOY;   18/02/16
IMG_START_TIME:  24950.60 SOD {06:55:50.60} UT,   4707.1 [sec] since BAT Trigger Time
COUNTS:          53    Min_needed= 20
STD_DEV:         36.72   Max_StdDev_for_Good=28.44 [arcsec]
PH2_ITER:        2    Max_iter_allowed= 4
ERROR_CODE:      3
COMMENTS:        SWIFT-XRT Nack Position.  
COMMENTS:        Standard deviation too large.