[vsnet-grb 437489] GCN/SWIFT_XRT_POSITION

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 28 Feb 20 11:20:40 UT
NOTICE_TYPE:     Swift-XRT Position
TRIGGER_NUM:     958733,   Seg_Num: 0
GRB_RA:          252.0473d {+16h 48m 11.35s} (J2000),
                 252.2730d {+16h 49m 05.51s} (current),
                 251.4878d {+16h 45m 57.06s} (1950)
GRB_DEC:         +16.9850d {+16d 59' 05.9"} (J2000),
                 +16.9506d {+16d 57' 02.2"} (current),
                 +17.0721d {+17d 04' 19.5"} (1950)
GRB_ERROR:       5.7 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  18907 TJD;    59 DOY;   20/02/28
IMG_START_TIME:  40624.00 SOD {11:17:04.00} UT,   142.8 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       340.91d {+22h 43m 38s}   -8.07d {-08d 04' 09"}
SUN_DIST:         91.05 [deg]   Sun_angle= 5.9 [hr] (West of Sun)
MOON_POSTN:       31.30d {+02h 05m 13s}   +7.86d {+07d 51' 20"}
MOON_DIST:       132.50 [deg]
MOON_ILLUM:      20 [%]
GAL_COORDS:       35.48, 34.69 [deg] galactic lon,lat of the burst
ECL_COORDS:      247.69, 39.04 [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 0.11% < P(seren) < 0.58%.