TDRSS lightcurve for Trigger=531267

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 17 Aug 12 06:50:05 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     531267,   Seg_Num: 0
GRB_RA:          250.706d {+16h 42m 49s} (J2000),
                 250.920d {+16h 43m 41s} (current),
                 249.858d {+16h 39m 26s} (1950)
GRB_DEC:         -38.340d {-38d 20' 25"} (J2000),
                 -38.364d {-38d 21' 48"} (current),
                 -38.247d {-38d 14' 47"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       4993 [cnts]    Image_Peak=218 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   146     E_range: 25-100 keV
BKG_INTEN:       30741 [cnts]
BKG_TIME:        24566.45 SOD {06:49:26.45} UT
BKG_DUR:         8 [sec]
GRB_DATE:        16156 TJD;   230 DOY;   12/08/17
GRB_TIME:        24582.83 SOD {06:49:42.83} UT
GRB_PHI:         -131.57 [deg]
GRB_THETA:        19.58 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     15.84 [sigma]
IMAGE_SIGNIF:    7.78 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  -2  +0  +1 +31  +0 
SUN_POSTN:       147.06d {+09h 48m 14s}  +13.26d {+13d 15' 52"}
SUN_DIST:        108.98 [deg]   Sun_angle= -6.9 [hr] (East of Sun)
MOON_POSTN:      140.95d {+09h 23m 49s}  +10.15d {+10d 08' 53"}
MOON_DIST:       111.90 [deg]
MOON_ILLUM:      0 [%]
GAL_COORDS:      344.74,  5.08 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      254.36,-15.94 [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 = 273.00,0.13 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 17 Aug 12 07:06:19 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     531267,   Seg_Num: 0
GRB_RA:          250.706d {+16h 42m 49s} (J2000),
                 250.920d {+16h 43m 41s} (current),
                 249.858d {+16h 39m 26s} (1950)
GRB_DEC:         -38.340d {-38d 20' 25"} (J2000),
                 -38.364d {-38d 21' 48"} (current),
                 -38.247d {-38d 14' 47"} (1950)
GRB_DATE:        16156 TJD;   230 DOY;   12/08/17
GRB_TIME:        24582.83 SOD {06:49:42.83} UT
TRIGGER_INDEX:   146
GRB_PHI:         -131.57 [deg]
GRB_THETA:        19.58 [deg]
DELTA_TIME:      -37.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     15.84 [sigma]
IMAGE_SIGNIF:    7.78 [sigma]
LC_URL:          sw00531267000msb.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 17 03:06:43 EDT 2012