TDRSS lightcurve for Trigger=531223

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 16 Aug 12 19:19:15 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     531223,   Seg_Num: 0
GRB_RA:          282.126d {+18h 48m 30s} (J2000),
                 282.296d {+18h 49m 11s} (current),
                 281.452d {+18h 45m 48s} (1950)
GRB_DEC:          -6.979d {-06d 58' 43"} (J2000),
                  -6.964d {-06d 57' 50"} (current),
                  -7.036d {-07d 02' 08"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       17536 [cnts]    Image_Peak=194 [image_cnts]
TRIGGER_DUR:     4.096 [sec] 
TRIGGER_INDEX:   295     E_range: 15-50 keV
BKG_INTEN:       161716 [cnts]
BKG_TIME:        69454.45 SOD {19:17:34.45} UT
BKG_DUR:         40 [sec]
GRB_DATE:        16155 TJD;   229 DOY;   12/08/16
GRB_TIME:        69514.74 SOD {19:18:34.74} UT
GRB_PHI:         141.65 [deg]
GRB_THETA:        46.65 [deg]
SOLN_STATUS:     0x83
RATE_SIGNIF:     10.24 [sigma]
IMAGE_SIGNIF:    6.94 [sigma]
MERIT_PARAMS:     +1  +0  +0  +2  +1  -3  +0  +1 +71  +0 
SUN_POSTN:       146.61d {+09h 46m 27s}  +13.42d {+13d 25' 04"}
SUN_DIST:        135.97 [deg]   Sun_angle= -9.0 [hr] (East of Sun)
MOON_POSTN:      134.81d {+08h 59m 15s}  +12.17d {+12d 10' 15"}
MOON_DIST:       147.54 [deg]
MOON_ILLUM:      1 [%]
GAL_COORDS:       26.38, -2.53 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      282.52, 15.93 [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 = 22.61,19.07 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 16 Aug 12 19:38:22 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     531223,   Seg_Num: 0
GRB_RA:          282.126d {+18h 48m 30s} (J2000),
                 282.296d {+18h 49m 11s} (current),
                 281.452d {+18h 45m 48s} (1950)
GRB_DEC:          -6.979d {-06d 58' 43"} (J2000),
                  -6.964d {-06d 57' 50"} (current),
                  -7.036d {-07d 02' 08"} (1950)
GRB_DATE:        16155 TJD;   229 DOY;   12/08/16
GRB_TIME:        69514.74 SOD {19:18:34.74} UT
TRIGGER_INDEX:   295
GRB_PHI:         141.65 [deg]
GRB_THETA:        46.65 [deg]
DELTA_TIME:      51.00 [sec]
TRIGGER_DUR:     4.096 [sec] 
SOLN_STATUS:     0x83
RATE_SIGNIF:     10.24 [sigma]
IMAGE_SIGNIF:    6.94 [sigma]
LC_URL:          sw00531223000msb.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:
Thu Aug 16 15:38:43 EDT 2012