TDRSS lightcurve for Trigger=686761

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 18 May 16 09:09:39 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     686761,   Seg_Num: 0
GRB_RA:          293.722d {+19h 34m 53s} (J2000),
                 293.899d {+19h 35m 36s} (current),
                 293.184d {+19h 32m 44s} (1950)
GRB_DEC:         +21.891d {+21d 53' 28"} (J2000),
                 +21.928d {+21d 55' 40"} (current),
                 +21.780d {+21d 46' 49"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       5266 [cnts]    Image_Peak=1311 [image_cnts]
TRIGGER_DUR:     0.016 [sec] 
TRIGGER_INDEX:   10209     E_range: 15-50 keV
BKG_INTEN:       24577 [cnts]
BKG_TIME:        32951.71 SOD {09:09:11.71} UT
BKG_DUR:         8 [sec]
GRB_DATE:        17526 TJD;   139 DOY;   16/05/18
GRB_TIME:        32963.87 SOD {09:09:23.87} UT
GRB_PHI:         -120.51 [deg]
GRB_THETA:        11.97 [deg]
SOLN_STATUS:     0x3000010D
RATE_SIGNIF:     255.99 [sigma]
IMAGE_SIGNIF:    24.16 [sigma]
MERIT_PARAMS:     +0  +0 +124  -6  +1  +8  +0  +1 +33  +0 
SUN_POSTN:        55.60d {+03h 42m 24s}  +19.68d {+19d 40' 52"}
SUN_DIST:        109.46 [deg]   Sun_angle= 8.1 [hr] (West of Sun)
MOON_POSTN:      198.89d {+13h 15m 35s}   -5.32d {-05d 18' 57"}
MOON_DIST:        96.61 [deg]
MOON_ILLUM:      89 [%]
GAL_COORDS:       57.24,  0.82 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      300.60, 42.84 [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 matches a source in the on-board catalog: Num=10762=sgr1935p2154,   delta=0.011 [deg].  
COMMENTS:        This matches a source in the ground catalog: sgr1935p2154,   delta=0.011 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 247.35,-19.13 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is spatially(0.00<0.1deg) and temporally(0.0<100sec) coincident with the SWIFT_BAT event (trignum=686443).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 18 May 16 09:33:54 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     686761,   Seg_Num: 0
GRB_RA:          293.722d {+19h 34m 53s} (J2000),
                 293.899d {+19h 35m 36s} (current),
                 293.184d {+19h 32m 44s} (1950)
GRB_DEC:         +21.891d {+21d 53' 28"} (J2000),
                 +21.928d {+21d 55' 40"} (current),
                 +21.780d {+21d 46' 49"} (1950)
GRB_DATE:        17526 TJD;   139 DOY;   16/05/18
GRB_TIME:        32963.95 SOD {09:09:23.95} UT
TRIGGER_INDEX:   10209
GRB_PHI:         -120.51 [deg]
GRB_THETA:        11.97 [deg]
DELTA_TIME:      320.00 [sec]
TRIGGER_DUR:     0.016 [sec] 
SOLN_STATUS:     0x10D
RATE_SIGNIF:     255.99 [sigma]
IMAGE_SIGNIF:    24.16 [sigma]
LC_URL:          sw00686761000msb.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:
Wed May 18 05:34:02 EDT 2016