[vsnet-grb 154633] GCN/SWIFT_XRT_POSITION

Bacodine vxw at capella2.gsfc.nasa.gov
Sun Jul 31 20:12:02 JST 2011


TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 31 Jul 11 11:11:12 UT
NOTICE_TYPE:     Swift-XRT Position
TRIGGER_NUM:     458448,   Seg_Num: 0
GRB_RA:          280.5042d {+18h 42m 01.00s} (J2000),
                 280.6870d {+18h 42m 44.87s} (current),
                 279.7145d {+18h 38m 51.47s} (1950)
GRB_DEC:         -28.5363d {-28d 32' 10.6"} (J2000),
                 -28.5244d {-28d 31' 28.0"} (current),
                 -28.5852d {-28d 35' 06.6"} (1950)
GRB_ERROR:       4.8 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       5.84e-09 [erg/cm2/sec]
GRB_SIGNIF:      12.08 [sigma]
IMG_START_DATE:  15773 TJD;   212 DOY;   11/07/31
IMG_START_TIME:  40236.85 SOD {11:10:36.85} UT,   66.4 [sec] since BAT Trigger Time
TAM[0-3]:        327.67 237.23 261.58 243.60
AMPLIFIER:       2
WAVEFORM:        134
SUN_POSTN:       130.33d {+08h 41m 20s}  +18.29d {+18d 17' 14"}
SUN_DIST:        151.03 [deg]   Sun_angle= -10.0 [hr] (East of Sun)
MOON_POSTN:      138.27d {+09h 13m 04s}  +11.80d {+11d 47' 55"}
MOON_DIST:       141.19 [deg]
MOON_ILLUM:      1 [%]
GAL_COORDS:        6.22,-10.70 [deg] galactic lon,lat of the burst
ECL_COORDS:      279.26, -5.43 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Coordinates.  
COMMENTS:        The XRT position is 1.07 arcmin from the BAT position.  
COMMENTS:        The object found at this position is either a very bright burst or a cosmic ray hit.  
COMMENTS:        Examine the XRT Image to differentiate (CRs are much more compact); see examples at:  
COMMENTS:        http://www.swift.psu.edu/xrt/XRT_Postage_Stamp_Image_Photo_Gallery.htm .  


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