TDRSS lightcurve for Trigger=503926

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 24 Sep 11 09:04:13 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     503926,   Seg_Num: 0
GRB_RA:          234.748d {+15h 39m 00s} (J2000),
                 235.020d {+15h 40m 05s} (current),
                 233.595d {+15h 34m 23s} (1950)
GRB_DEC:         -66.308d {-66d 18' 29"} (J2000),
                 -66.346d {-66d 20' 44"} (current),
                 -66.145d {-66d 08' 42"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       13607 [cnts]    Image_Peak=288 [image_cnts]
TRIGGER_DUR:     4.096 [sec] 
TRIGGER_INDEX:   280     E_range: 15-25 keV
BKG_INTEN:       116515 [cnts]
BKG_TIME:        32544.60 SOD {09:02:24.60} UT
BKG_DUR:         40 [sec]
GRB_DATE:        15828 TJD;   267 DOY;   11/09/24
GRB_TIME:        32600.73 SOD {09:03:20.73} UT
GRB_PHI:         -162.57 [deg]
GRB_THETA:        27.94 [deg]
SOLN_STATUS:     0x83
RATE_SIGNIF:     14.49 [sigma]
IMAGE_SIGNIF:    6.60 [sigma]
MERIT_PARAMS:     +1  +0  +0  +2  +0  -4  +0  +1 -24  +0 
SUN_POSTN:       180.90d {+12h 03m 35s}   -0.39d {-00d 23' 16"}
SUN_DIST:         76.04 [deg]   Sun_angle= -3.6 [hr] (East of Sun)
MOON_POSTN:      139.05d {+09h 16m 11s}  +11.25d {+11d 14' 44"}
MOON_DIST:       102.68 [deg]
MOON_ILLUM:      13 [%]
GAL_COORDS:      318.68, -8.70 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      250.78,-45.21 [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:        Since the IMAGE_SIGNIF is less than 7 sigma, this is a questionable detection.  
COMMENTS:        This trigger occurred at longitude,latitude = 97.51,-8.95 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 24 Sep 11 09:21:52 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     503926,   Seg_Num: 0
GRB_RA:          234.748d {+15h 39m 00s} (J2000),
                 235.020d {+15h 40m 05s} (current),
                 233.595d {+15h 34m 23s} (1950)
GRB_DEC:         -66.308d {-66d 18' 29"} (J2000),
                 -66.346d {-66d 20' 44"} (current),
                 -66.145d {-66d 08' 42"} (1950)
GRB_DATE:        15828 TJD;   267 DOY;   11/09/24
GRB_TIME:        32600.73 SOD {09:03:20.73} UT
TRIGGER_INDEX:   280
GRB_PHI:         -162.57 [deg]
GRB_THETA:        27.94 [deg]
DELTA_TIME:      -11.00 [sec]
TRIGGER_DUR:     4.096 [sec] 
SOLN_STATUS:     0x83
RATE_SIGNIF:     14.49 [sigma]
IMAGE_SIGNIF:    6.60 [sigma]
LC_URL:          sw00503926000msb.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:
Sat Sep 24 05:22:23 EDT 2011