TDRSS lightcurve for Trigger=156838

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 25 Sep 05 09:04:46 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     156838,   Seg_Num: 0
GRB_RA:          303.445d {+20h 13m 47s} (J2000),
                 303.500d {+20h 14m 00s} (current),
                 302.963d {+20h 11m 51s} (1950)
GRB_DEC:         +34.334d {+34d 20' 04"} (J2000),
                 +34.352d {+34d 21' 08"} (current),
                 +34.182d {+34d 10' 55"} (1950)
GRB_ERROR:       4.00 [arcmin radius, statistical only]
GRB_INTEN:       767 [cnts]    Image_Peak=124 [image_cnts]
TRIGGER_DUR:     0.064 [sec] 
TRIGGER_INDEX:   10421     E_range: 25-100 keV
BKG_INTEN:       32664 [cnts]
BKG_TIME:        32664.00 SOD {09:04:24.00} UT
BKG_DUR:         8 [sec]
GRB_DATE:        13638 TJD;   268 DOY;   05/09/25
GRB_TIME:        32673.53 SOD {09:04:33.53} UT
GRB_PHI:         -15.74 [deg]
GRB_THETA:        45.01 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     32.34 [sigma]
IMAGE_SIGNIF:    12.32 [sigma]
MERIT_PARAMS:     +1  +0  +0  -4  +2 +11  +0  +1 +43  +1 
SUN_POSTN:       182.20d {+12h 08m 48s}   -0.95d {-00d 57' 13"}
SUN_DIST:        115.99 [deg]
MOON_POSTN:       94.11d {+06h 16m 26s}  +28.61d {+28d 36' 19"}
MOON_DIST:       111.18 [deg]
MOON_ILLUM:      49 [%]
GAL_COORDS:       72.30, -0.07 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      318.14, 52.33 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This is a rate trigger.  
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:     Sun 25 Sep 05 09:08:12 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     156838,   Seg_Num: 0
GRB_RA:          303.445d {+20h 13m 47s} (J2000),
                 303.500d {+20h 14m 00s} (current),
                 302.963d {+20h 11m 51s} (1950)
GRB_DEC:         +34.334d {+34d 20' 04"} (J2000),
                 +34.352d {+34d 21' 08"} (current),
                 +34.182d {+34d 10' 55"} (1950)
GRB_DATE:        13638 TJD;   268 DOY;   05/09/25
GRB_TIME:        32673.62 SOD {09:04:33.62} UT
TRIGGER_INDEX:   10421
GRB_PHI:         -15.74 [deg]
GRB_THETA:        45.01 [deg]
DELTA_TIME:      22.00 [sec]
TRIGGER_DUR:     0.064 [sec] 
LC_URL:          sw00156838000msb.lc
SUN_POSTN:       182.20d {+12h 08m 48s}   -0.95d {-00d 57' 13"}
SUN_DIST:        115.99 [deg]
MOON_POSTN:       94.11d {+06h 16m 26s}  +28.61d {+28d 36' 19"}

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:
Sun Sep 25 05:10:03 EDT 2005