[vsnet-grb 202116] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 04 May 13 02:07:07 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     555096,   Seg_Num: 0
POINT_RA:        272.373d {+18h 09m 29s} (J2000)
POINT_DEC:       -16.334d {-16d 20' 02"} (J2000)
IMG_START_DATE:  16416 TJD;   124 DOY;   13/05/04
IMG_START_TIME:  7620.20 SOD {02:07:00.20} UT,   85.9 [sec] since BAT Trigger Time
COUNTS:          57    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.