TDRSS lightcurve for Trigger=731887

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 11 Jan 17 00:34:12 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     731887,   Seg_Num: 0
GRB_RA:           20.717d {+01h 22m 52s} (J2000),
                  20.914d {+01h 23m 39s} (current),
                  20.139d {+01h 20m 33s} (1950)
GRB_DEC:         -32.540d {-32d 32' 23"} (J2000),
                 -32.451d {-32d 27' 04"} (current),
                 -32.801d {-32d 48' 02"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       14658 [cnts]    Image_Peak=355 [image_cnts]
TRIGGER_DUR:     4.096 [sec] 
TRIGGER_INDEX:   300     E_range: 25-100 keV
BKG_INTEN:       130413 [cnts]
BKG_TIME:        1949.55 SOD {00:32:29.55} UT
BKG_DUR:         40 [sec]
GRB_DATE:        17764 TJD;    11 DOY;   17/01/11
GRB_TIME:        2008.18 SOD {00:33:28.18} UT
GRB_PHI:         -112.49 [deg]
GRB_THETA:        30.09 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     12.52 [sigma]
IMAGE_SIGNIF:    8.62 [sigma]
MERIT_PARAMS:     +1  +0  +0  +2  +2  -1  +0  +0 -22  +0 
SUN_POSTN:       292.67d {+19h 30m 42s}  -21.80d {-21d 48' 02"}
SUN_DIST:         77.10 [deg]   Sun_angle= -5.9 [hr] (East of Sun)
MOON_POSTN:       91.28d {+06h 05m 08s}  +18.92d {+18d 55' 19"}
MOON_DIST:        84.60 [deg]
MOON_ILLUM:      97 [%]
GAL_COORDS:      253.28,-81.30 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:        4.33,-37.74 [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 = 234.69,-7.68 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 11 Jan 17 00:51:36 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     731887,   Seg_Num: 0
GRB_RA:           20.717d {+01h 22m 52s} (J2000),
                  20.914d {+01h 23m 39s} (current),
                  20.139d {+01h 20m 33s} (1950)
GRB_DEC:         -32.540d {-32d 32' 23"} (J2000),
                 -32.451d {-32d 27' 04"} (current),
                 -32.801d {-32d 48' 02"} (1950)
GRB_DATE:        17764 TJD;    11 DOY;   17/01/11
GRB_TIME:        2008.18 SOD {00:33:28.18} UT
TRIGGER_INDEX:   300
GRB_PHI:         -112.49 [deg]
GRB_THETA:        30.09 [deg]
DELTA_TIME:      58.00 [sec]
TRIGGER_DUR:     4.096 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     12.52 [sigma]
IMAGE_SIGNIF:    8.62 [sigma]
LC_URL:          sw00731887000msb.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

Plot creation:
Tue Jan 10 19:52:22 EST 2017