[vsnet-grb 175744] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 21 May 12 06:01:34 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     522578,   Seg_Num: 0
POINT_RA:        148.706d {+09h 54m 49s} (J2000)
POINT_DEC:       -49.413d {-49d 24' 47"} (J2000)
IMG_START_DATE:  16068 TJD;   142 DOY;   12/05/21
IMG_START_TIME:  21656.65 SOD {06:00:56.65} UT,   73.7 [sec] since BAT Trigger Time
COUNTS:          38    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.