[vsnet-grb 357240] GCN/SWIFT_XRT_POSITION

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 22 Feb 18 13:27:40 UT
NOTICE_TYPE:     Swift-XRT Position
TRIGGER_NUM:     811235,   Seg_Num: 0
GRB_RA:          256.5413d {+17h 06m 09.91s} (J2000),
                 256.8474d {+17h 07m 23.36s} (current),
                 255.6988d {+17h 02m 47.70s} (1950)
GRB_DEC:         -36.8093d {-36d 48' 33.4"} (J2000),
                 -36.8325d {-36d 49' 57.1"} (current),
                 -36.7425d {-36d 44' 33.0"} (1950)
GRB_ERROR:       3.7 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  18171 TJD;    53 DOY;   18/02/22
IMG_START_TIME:  47557.00 SOD {13:12:37.00} UT,   153.5 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       335.77d {+22h 23m 05s}  -10.09d {-10d 05' 11"}
SUN_DIST:         75.15 [deg]   Sun_angle= 5.3 [hr] (West of Sun)
MOON_POSTN:       52.83d {+03h 31m 18s}  +13.69d {+13d 41' 24"}
MOON_DIST:       148.45 [deg]
MOON_ILLUM:      41 [%]
GAL_COORDS:      348.85,  2.45 [deg] galactic lon,lat of the burst
ECL_COORDS:      258.93,-13.89 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Coordinates.  
COMMENTS:        This Notice was ground-generated -- not flight-generated.  
COMMENTS:        TAM values, flux and significance fields are not valid.  
COMMENTS:        This position was automatically generated on the ground using  
COMMENTS:        Photon Counting data telemetered via TDRSS (SPER data).  
COMMENTS:        See http://www.swift.ac.uk/sper/docs.php for details.  
COMMENTS:        The probability that this is a serendipitous source in the  
COMMENTS:        SPER window is 1.1% < P(seren) < 2.8%.