[vsnet-grb 258967] GCN/SWIFT_XRT_POSITION_NACK

Tue Apr 21 02:10:06 JST 2015

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 20 Apr 15 17:09:47 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     638589,   Seg_Num: 0
POINT_RA:         87.793d {+05h 51m 10s} (J2000)
POINT_DEC:       -10.418d {-10d 25' 05"} (J2000)
IMG_START_DATE:  17132 TJD;   110 DOY;   15/04/20
IMG_START_TIME:  61760.03 SOD {17:09:20.03} UT,   549.5 [sec] since BAT Trigger Time
COUNTS:          26    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.