TDRSS lightcurve for Trigger=916733

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 27 Jul 19 20:18:29 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     916733,   Seg_Num: 0
GRB_RA:          126.481d {+08h 25m 55s} (J2000),
                 126.711d {+08h 26m 51s} (current),
                 125.893d {+08h 23m 34s} (1950)
GRB_DEC:         -13.268d {-13d 16' 03"} (J2000),
                 -13.333d {-13d 19' 57"} (current),
                 -13.103d {-13d 06' 11"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       533 [cnts]    Image_Peak=62 [image_cnts]
TRIGGER_DUR:     0.064 [sec] 
TRIGGER_INDEX:   10427     E_range: 50-350 keV
BKG_INTEN:       11677 [cnts]
BKG_TIME:        73080.68 SOD {20:18:00.68} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18691 TJD;   208 DOY;   19/07/27
GRB_TIME:        73097.00 SOD {20:18:17.00} UT
GRB_PHI:         -112.31 [deg]
GRB_THETA:        25.54 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     11.70 [sigma]
IMAGE_SIGNIF:    7.74 [sigma]
MERIT_PARAMS:     +1  +0  +0  -4  +3  -2 -100  +0 -84  +0 
SUN_POSTN:       126.86d {+08h 27m 26s}  +19.13d {+19d 07' 44"}
SUN_DIST:         32.46 [deg]   Sun_angle= 0.0 [hr] (West of Sun)
MOON_POSTN:       66.23d {+04h 24m 55s}  +18.25d {+18d 15' 08"}
MOON_DIST:        67.48 [deg]
MOON_ILLUM:      23 [%]
GAL_COORDS:      236.13, 14.03 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      132.72,-31.46 [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 = 227.41,-9.44 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(21.0<100sec) coincident with the FERMI_GBM event (trignum=585951481).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 27 Jul 19 20:34:52 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     916733,   Seg_Num: 0
GRB_RA:          126.481d {+08h 25m 55s} (J2000),
                 126.711d {+08h 26m 51s} (current),
                 125.893d {+08h 23m 34s} (1950)
GRB_DEC:         -13.268d {-13d 16' 03"} (J2000),
                 -13.333d {-13d 19' 57"} (current),
                 -13.103d {-13d 06' 11"} (1950)
GRB_DATE:        18691 TJD;   208 DOY;   19/07/27
GRB_TIME:        73097.01 SOD {20:18:17.01} UT
TRIGGER_INDEX:   10427
GRB_PHI:         -112.31 [deg]
GRB_THETA:        25.54 [deg]
DELTA_TIME:      -32.00 [sec]
TRIGGER_DUR:     0.064 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     11.70 [sigma]
IMAGE_SIGNIF:    7.74 [sigma]
LC_URL:          sw00916733000msb.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:
Sat Jul 27 16:35:23 EDT 2019