[vsnet-grb 485013] GCN/SWIFT_XRT_POSITION

Bacodine vxw at capella2.gsfc.nasa.gov
Mon May 17 14:32:54 JST 2021


TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 17 May 21 05:32:49 UT
NOTICE_TYPE:     Swift-XRT Position
TRIGGER_NUM:     1048783,   Seg_Num: 0
GRB_RA:          358.2210d {+23h 52m 53.04s} (J2000),
                 358.4976d {+23h 53m 59.43s} (current),
                 357.5721d {+23h 50m 17.31s} (1950)
GRB_DEC:         -39.1054d {-39d 06' 19.4"} (J2000),
                 -38.9865d {-38d 59' 11.2"} (current),
                 -39.3836d {-39d 23' 01.0"} (1950)
GRB_ERROR:       3.9 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  19351 TJD;   137 DOY;   21/05/17
IMG_START_TIME:  19766.00 SOD {05:29:26.00} UT,   84.4 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        54.25d {+03h 36m 59s}  +19.38d {+19d 22' 52"}
SUN_DIST:         78.23 [deg]   Sun_angle= 3.7 [hr] (West of Sun)
MOON_POSTN:      118.99d {+07h 55m 58s}  +24.69d {+24d 41' 07"}
MOON_DIST:       128.40 [deg]
MOON_ILLUM:      25 [%]
GAL_COORDS:      344.77,-72.90 [deg] galactic lon,lat of the burst
ECL_COORDS:      340.61,-34.69 [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 0.58% < P(seren) < 1.1%.  



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