[vsnet-grb 159031] GCN/SWIFT_XRT_IMAGE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 26 Sep 11 20:14:07 UT
NOTICE_TYPE:     Swift-XRT Image
TRIGGER_NUM:     504101,   Seg_Num: 0
GRB_RA:          258.1528d {+17h 12m 36.6s} (J2000),
                 258.3525d {+17h 13m 24.6s} (current),
                 257.3026d {+17h 09m 12.6s} (1950)
GRB_DEC:         -37.6469d {-37d 38' 48.8"} (J2000),
                 -37.6602d {-37d 39' 36.7"} (current),
                 -37.5877d {-37d 35' 15.7"} (1950)
GRB_ERROR:       5.8 [arcsec, radius, statistical plus systematic]
GRB_INTEN:       22 [cnts]
IMG_START_DATE:  15830 TJD;   269 DOY;   11/09/26
IMG_START_TIME:  72805.94 SOD {20:13:25.94} UT,   117.4 [sec] since BAT Trigger Time
CENTROID_X:      297.21,  raw= 297  [pixels]
CENTROID_Y:      299.66,  raw= 300  [pixels]
ROLL:            278.20 [deg]
GAIN:            1
MODE:            2, Short Image mode
WAVEFORM:        134
EXPO_TIME:       0.10 [sec]
GRB_POS_XRT_Y:   3.92
GRB_POS_XRT_Z:   -15.28
IMAGE_URL:       sw00504101000msxps_rw.img
SUN_POSTN:       183.11d {+12h 12m 27s}   -1.35d {-01d 20' 53"}
SUN_DIST:         77.53 [deg]   Sun_angle= -5.0 [hr] (East of Sun)
MOON_POSTN:      172.85d {+11h 31m 24s}   -2.30d {-02d 18' 00"}
MOON_DIST:        85.04 [deg]
MOON_ILLUM:      1 [%]
GAL_COORDS:      348.94,  0.92 [deg] galactic lon,lat of the burst
ECL_COORDS:      260.33,-14.60 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Image.