TDRSS lightcurve for Trigger=453788

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 21 May 11 15:52:25 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     453788,   Seg_Num: 0
GRB_RA:          120.144d {+08h 00m 35s} (J2000),
                 120.346d {+08h 01m 23s} (current),
                 119.254d {+07h 57m 01s} (1950)
GRB_DEC:         +45.798d {+45d 47' 53"} (J2000),
                 +45.766d {+45d 45' 58"} (current),
                 +45.936d {+45d 56' 09"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       25464 [cnts]    Image_Peak=461 [image_cnts]
TRIGGER_DUR:     8.192 [sec] 
TRIGGER_INDEX:   490     E_range: 50-350 keV
BKG_INTEN:       174509 [cnts]
BKG_TIME:        57001.02 SOD {15:50:01.02} UT
BKG_DUR:         64 [sec]
GRB_DATE:        15702 TJD;   141 DOY;   11/05/21
GRB_TIME:        57091.45 SOD {15:51:31.45} UT
GRB_PHI:         -144.20 [deg]
GRB_THETA:        13.81 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     17.88 [sigma]
IMAGE_SIGNIF:    7.26 [sigma]
MERIT_PARAMS:     +1  +0  +0  +3  +3  -3  +0  +0 -55  +0 
SUN_POSTN:        58.09d {+03h 52m 20s}  +20.20d {+20d 12' 10"}
SUN_DIST:         56.49 [deg]   Sun_angle= -4.2 [hr] (East of Sun)
MOON_POSTN:      295.77d {+19h 43m 04s}  -18.61d {-18d 36' 27"}
MOON_DIST:       152.58 [deg]
MOON_ILLUM:      79 [%]
GAL_COORDS:      173.70, 30.75 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      112.67, 24.70 [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.  
COMMENTS:        This trigger occurred at longitude,latitude = 359.25,19.46 [deg].  

GCN BAT Lightcurve Notice

 TITLE:           GCN/SWIFT NOTICE
 NOTICE_DATE:     Sat 21 May 11 15:55:14 UT
 NOTICE_TYPE:     Swift-BAT GRB Lightcurve
 TRIGGER_NUM:     453788,   Seg_Num: 0
 GRB_RA:          120.144d {+08h 00m 35s} (J2000),
               120.346d {+08h 01m 23s} (current),
               119.254d {+07h 57m 01s} (1950)
 GRB_DEC:         +45.798d {+45d 47' 53"} (J2000),
               +45.766d {+45d 45' 58"} (current),
               +45.936d {+45d 56' 09"} (1950)
 GRB_DATE:        15702 TJD;   141 DOY;   11/05/21
 GRB_TIME:        57091.45 SOD {15:51:31.45} UT
 TRIGGER_INDEX:   490
 GRB_PHI:         -144.20 [deg]
 GRB_THETA:        13.81 [deg]
 DELTA_TIME:      77.00 [sec]
 TRIGGER_DUR:     8.192 [sec] 
 SOLN_STATUS:     0x3
 RATE_SIGNIF:     17.88 [sigma]
 IMAGE_SIGNIF:    7.26 [sigma]
 LC_URL:          sw00453788000msb.lc

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

Extended TDRSS light curve and spacecraft attitude plot(s)

Extended TDRSS lc No.1

Plot creation:
Mon May 23 09:42:05 EDT 2011