[vsnet-grb 489269] GCN/SWIFT_XRT_POSITION_NACK

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 21 Jun 21 17:06:16 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     1057131,   Seg_Num: 0
POINT_RA:        238.811d {+15h 55m 15s} (J2000)
POINT_DEC:       -54.062d {-54d 03' 43"} (J2000)
IMG_START_DATE:  19386 TJD;   172 DOY;   21/06/21
IMG_START_TIME:  61517.07 SOD {17:05:17.07} UT,   40.3 [sec] since BAT Trigger Time
COUNTS:          28    Min_needed= 20
STD_DEV:         33.84   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.