TDRSS lightcurve for Trigger=686845

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 19 May 16 06:30:28 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     686845,   Seg_Num: 0
GRB_RA:          320.761d {+21h 23m 03s} (J2000),
                 320.976d {+21h 23m 54s} (current),
                 320.102d {+21h 20m 24s} (1950)
GRB_DEC:          -5.689d {-05d 41' 20"} (J2000),
                  -5.619d {-05d 37' 06"} (current),
                  -5.904d {-05d 54' 13"} (1950)
GRB_ERROR:       4.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=973 [image_cnts]
TRIGGER_DUR:     64.000 [sec] 
TRIGGER_INDEX:   20000     E_range: 15-50 keV
BKG_INTEN:       0 [cnts]
BKG_TIME:        0.00 SOD {00:00:00.00} UT
BKG_DUR:         0 [sec]
GRB_DATE:        17527 TJD;   140 DOY;   16/05/19
GRB_TIME:        22559.71 SOD {06:15:59.71} UT
GRB_PHI:         -14.21 [deg]
GRB_THETA:        38.19 [deg]
SOLN_STATUS:     0x99D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    5.87 [sigma]
MERIT_PARAMS:     +0  +0 +95  +6  +1  -5  +0  +0 +12  +1 
SUN_POSTN:        56.49d {+03h 45m 56s}  +19.87d {+19d 52' 16"}
SUN_DIST:         97.07 [deg]   Sun_angle= 6.4 [hr] (West of Sun)
MOON_POSTN:      209.02d {+13h 56m 06s}   -8.43d {-08d 26' 00"}
MOON_DIST:       110.71 [deg]
MOON_ILLUM:      94 [%]
GAL_COORDS:       46.57,-36.10 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      321.32,  9.17 [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 an image trigger.  (The RATE_SIGNIF & BKG_{INTEN, TIME, DUR} are undefined.)  
COMMENTS:        A point_source was found.  
COMMENTS:        This matches a source in the on-board catalog: Num=10362=XTE_J2123-058,   delta=0.119 [deg].  
COMMENTS:        This matches a source in the ground catalog: XTE_J2123-058,   delta=0.119 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:           

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 19 May 16 06:38:06 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     686845,   Seg_Num: 0
GRB_RA:          320.761d {+21h 23m 03s} (J2000),
                 320.976d {+21h 23m 54s} (current),
                 320.102d {+21h 20m 24s} (1950)
GRB_DEC:          -5.689d {-05d 41' 20"} (J2000),
                  -5.619d {-05d 37' 06"} (current),
                  -5.904d {-05d 54' 13"} (1950)
GRB_DATE:        17527 TJD;   140 DOY;   16/05/19
GRB_TIME:        22559.71 SOD {06:15:59.71} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -14.21 [deg]
GRB_THETA:        38.19 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x99D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    5.87 [sigma]
LC_URL:          sw00686845000msb.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 May 19 02:38:23 EDT 2016