TDRSS lightcurve for Trigger=501520

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 27 Aug 11 00:02:36 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     501520,   Seg_Num: 0
GRB_RA:          164.095d {+10h 56m 23s} (J2000),
                 164.268d {+10h 57m 04s} (current),
                 163.347d {+10h 53m 23s} (1950)
GRB_DEC:         +53.787d {+53d 47' 13"} (J2000),
                 +53.725d {+53d 43' 29"} (current),
                 +54.054d {+54d 03' 15"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       16363 [cnts]    Image_Peak=339 [image_cnts]
TRIGGER_DUR:     4.096 [sec] 
TRIGGER_INDEX:   298     E_range: 25-100 keV
BKG_INTEN:       143061 [cnts]
BKG_TIME:        56.69 SOD {00:00:56.69} UT
BKG_DUR:         40 [sec]
GRB_DATE:        15800 TJD;   239 DOY;   11/08/27
GRB_TIME:        112.50 SOD {00:01:52.50} UT
GRB_PHI:         -140.13 [deg]
GRB_THETA:        10.75 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     9.59 [sigma]
IMAGE_SIGNIF:    7.19 [sigma]
MERIT_PARAMS:     +1  +0  +0  +2  +2  -3 -100  +0 -71  +0 
SUN_POSTN:       155.32d {+10h 21m 17s}  +10.26d {+10d 15' 32"}
SUN_DIST:         44.05 [deg]   Sun_angle= -0.6 [hr] (East of Sun)
MOON_POSTN:      125.97d {+08h 23m 54s}  +15.75d {+15d 45' 10"}
MOON_DIST:        48.26 [deg]
MOON_ILLUM:      6 [%]
GAL_COORDS:      153.47, 55.98 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      140.43, 42.52 [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 = 180.61,17.97 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 27 Aug 11 00:18:58 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     501520,   Seg_Num: 0
GRB_RA:          164.095d {+10h 56m 23s} (J2000),
                 164.268d {+10h 57m 04s} (current),
                 163.347d {+10h 53m 23s} (1950)
GRB_DEC:         +53.787d {+53d 47' 13"} (J2000),
                 +53.725d {+53d 43' 29"} (current),
                 +54.054d {+54d 03' 15"} (1950)
GRB_DATE:        15800 TJD;   239 DOY;   11/08/27
GRB_TIME:        112.50 SOD {00:01:52.50} UT
TRIGGER_INDEX:   298
GRB_PHI:         -140.13 [deg]
GRB_THETA:        10.75 [deg]
DELTA_TIME:      20.00 [sec]
TRIGGER_DUR:     4.096 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     9.59 [sigma]
IMAGE_SIGNIF:    7.19 [sigma]
LC_URL:          sw00501520000msb.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

Extended TDRSS lc No.2

Extended TDRSS lc No.3

Extended TDRSS lc No.4

Plot creation:
Fri Aug 26 20:19:24 EDT 2011