TDRSS lightcurve for Trigger=503526

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 19 Sep 11 21:29:35 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     503526,   Seg_Num: 0
GRB_RA:          251.782d {+16h 47m 08s} (J2000),
                 251.997d {+16h 47m 59s} (current),
                 250.871d {+16h 43m 29s} (1950)
GRB_DEC:         -45.872d {-45d 52' 19"} (J2000),
                 -45.892d {-45d 53' 32"} (current),
                 -45.783d {-45d 46' 58"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       316 [cnts]    Image_Peak=63 [image_cnts]
TRIGGER_DUR:     0.016 [sec] 
TRIGGER_INDEX:   10209     E_range: 15-50 keV
BKG_INTEN:       42174 [cnts]
BKG_TIME:        77128.61 SOD {21:25:28.61} UT
BKG_DUR:         8 [sec]
GRB_DATE:        15823 TJD;   262 DOY;   11/09/19
GRB_TIME:        77144.29 SOD {21:25:44.29} UT
GRB_PHI:         142.69 [deg]
GRB_THETA:         0.04 [deg]
SOLN_STATUS:     0xD
RATE_SIGNIF:     21.51 [sigma]
IMAGE_SIGNIF:    9.58 [sigma]
MERIT_PARAMS:     +0  +0 +100  -6  +1  +0  +0  +1 -16  +0 
SUN_POSTN:       176.87d {+11h 47m 29s}   +1.35d {+01d 21' 17"}
SUN_DIST:         80.70 [deg]   Sun_angle= -5.0 [hr] (East of Sun)
MOON_POSTN:       77.85d {+05h 11m 23s}  +22.82d {+22d 49' 03"}
MOON_DIST:       156.44 [deg]
MOON_ILLUM:      57 [%]
GAL_COORDS:      339.54, -0.43 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      256.29,-23.30 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This Notice was delayed by more than 60 sec past the end of the trigger integration interval;  
COMMENTS:        probably due to it occurring during a Malindi downlink session.  
COMMENTS:        This is a rate trigger.  
COMMENTS:        A point_source was found.  
COMMENTS:        This matches a source in the on-board catalog: Num=23525=(null) (probably an AT_Slot).  
COMMENTS:        This does not match any source in the ground catalog.  
COMMENTS:        This is not a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 258.22,-19.76 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 19 Sep 11 21:42:36 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     503526,   Seg_Num: 0
GRB_RA:          251.782d {+16h 47m 08s} (J2000),
                 251.997d {+16h 47m 59s} (current),
                 250.871d {+16h 43m 29s} (1950)
GRB_DEC:         -45.872d {-45d 52' 19"} (J2000),
                 -45.892d {-45d 53' 32"} (current),
                 -45.783d {-45d 46' 58"} (1950)
GRB_DATE:        15823 TJD;   262 DOY;   11/09/19
GRB_TIME:        77144.30 SOD {21:25:44.30} UT
TRIGGER_INDEX:   10209
GRB_PHI:         142.69 [deg]
GRB_THETA:         0.04 [deg]
DELTA_TIME:      31.00 [sec]
TRIGGER_DUR:     0.016 [sec] 
SOLN_STATUS:     0xD
RATE_SIGNIF:     21.51 [sigma]
IMAGE_SIGNIF:    9.58 [sigma]
LC_URL:          sw00503526000msb.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

Plot creation:
Mon Sep 19 17:43:04 EDT 2011