TDRSS lightcurve for Trigger=147918

Notes:

• 1) None of the TDRSS light curves are background subtracted.

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 27 Jul 05 06:33:01 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     147918,   Seg_Num: 0
GRB_RA:          238.256d {+15h 53m 01s} (J2000),
                 238.338d {+15h 53m 21s} (current),
                 237.522d {+15h 50m 05s} (1950)
GRB_DEC:         -21.768d {-21d 46' 03"} (J2000),
                 -21.784d {-21d 47' 02"} (current),
                 -21.620d {-21d 37' 10"} (1950)
GRB_ERROR:       4.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1308 [image_cnts]
TRIGGER_DUR:     64.000 [sec]
TRIGGER_INDEX:   20000     E_range: 15-50 keV
BKG_INTEN:       0 [cnts]
BKG_TIME:        0.00 SOD {00:00:00.00} UT
BKG_DUR:         0 [sec]
GRB_DATE:        13578 TJD;   208 DOY;   05/07/27
GRB_TIME:        23504.35 SOD {06:31:44.35} UT
GRB_PHI:          57.31 [deg]
GRB_THETA:        34.53 [deg]
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.98 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  -2  +0  +0 +44  +1 
SUN_POSTN:       126.67d {+08h 26m 41s}  +19.17d {+19d 10' 27"}
SUN_DIST:        116.47 [deg]
MOON_POSTN:       21.77d {+01h 27m 06s}   +9.68d {+09d 40' 47"}
MOON_DIST:       142.90 [deg]
MOON_ILLUM:      59 [%]
GAL_COORDS:      349.43, 24.29 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      240.74, -1.50 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This is an image trigger.  (The RATE_SIGNIF & BKG_{INTEN, TIME, DUR} are undefined.)  
COMMENTS:        A point_source was found.  
COMMENTS:        This does not match any source in the on-board catalog.  
COMMENTS:        This does not match any source in the ground catalog.  
COMMENTS:        This is a GRB.  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 27 Jul 05 06:36:06 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     147918,   Seg_Num: 0
GRB_RA:          238.256d {+15h 53m 01s} (J2000),
                 238.338d {+15h 53m 21s} (current),
                 237.522d {+15h 50m 05s} (1950)
GRB_DEC:         -21.768d {-21d 46' 03"} (J2000),
                 -21.784d {-21d 47' 02"} (current),
                 -21.620d {-21d 37' 10"} (1950)
GRB_DATE:        13578 TJD;   208 DOY;   05/07/27
GRB_TIME:        23504.35 SOD {06:31:44.35} UT
TRIGGER_INDEX:   20000
GRB_PHI:          57.31 [deg]
GRB_THETA:        34.53 [deg]
DELTA_TIME:      0.00 [sec]
LC_URL:          sw00147918000msb.lc
SUN_POSTN:       126.67d {+08h 26m 41s}  +19.17d {+19d 10' 27"}
SUN_DIST:        116.47 [deg]
MOON_POSTN:       21.77d {+01h 27m 06s}   +9.68d {+09d 40' 47"}
MOON_DIST:       142.90 [deg]

Initial TDRSS lightcurve and spacecraft attitude plot

TDRSS lightcurve from T0-30 to T0+50 (zoom in)

TDRSS light curve from T0-1 to T0+2 (More zoom in)

1.6s binned TDRSS light curve

Plot creation:
Wed Jul 27 02:38:05 EDT 2005