[vsnet-grb 159146] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 28 Sep 11 02:47:21 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     504215,   Seg_Num: 0
POINT_RA:        257.738d {+17h 10m 57s} (J2000)
POINT_DEC:       +36.568d {+36d 34' 06"} (J2000)
IMG_START_DATE:  15832 TJD;   271 DOY;   11/09/28
IMG_START_TIME:  10029.05 SOD {02:47:09.05} UT,   3337.3 [sec] since BAT Trigger Time
COUNTS:          30    Min_needed= 20
STD_DEV:         0.00   Max_StdDev_for_Good=28.44 [arcsec]
PH2_ITER:        4    Max_iter_allowed= 4
ERROR_CODE:      2
COMMENTS:        SWIFT-XRT Nack Position.  
COMMENTS:        Algorithm did not converge; too many iterations.