TDRSS lightcurve for Trigger=996184

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 17 Sep 20 03:53:15 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     996184,   Seg_Num: 0
GRB_RA:          235.753d {+15h 43m 01s} (J2000),
                 236.027d {+15h 44m 06s} (current),
                 235.094d {+15h 40m 23s} (1950)
GRB_DEC:          -4.695d {-04d 41' 42"} (J2000),
                  -4.760d {-04d 45' 35"} (current),
                  -4.537d {-04d 32' 13"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       14570 [cnts]    Image_Peak=405 [image_cnts]
TRIGGER_DUR:     4.096 [sec] 
TRIGGER_INDEX:   289     E_range: 15-50 keV
BKG_INTEN:       125748 [cnts]
BKG_TIME:        13894.35 SOD {03:51:34.35} UT
BKG_DUR:         40 [sec]
GRB_DATE:        19109 TJD;   261 DOY;   20/09/17
GRB_TIME:        13948.30 SOD {03:52:28.30} UT
GRB_PHI:         142.72 [deg]
GRB_THETA:        12.50 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     14.00 [sigma]
IMAGE_SIGNIF:    9.11 [sigma]
MERIT_PARAMS:     +1  +0  +0  +2  +1  +0  +0  +0 -48  +0 
SUN_POSTN:       175.16d {+11h 40m 38s}   +2.09d {+02d 05' 42"}
SUN_DIST:         61.20 [deg]   Sun_angle= -4.1 [hr] (East of Sun)
MOON_POSTN:      173.12d {+11h 32m 28s}   +8.37d {+08d 22' 04"}
MOON_DIST:        64.09 [deg]
MOON_ILLUM:      0 [%]
GAL_COORDS:        2.04, 37.77 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      234.57, 14.63 [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 = 148.85,20.29 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 17 Sep 20 04:09:27 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     996184,   Seg_Num: 0
GRB_RA:          235.753d {+15h 43m 01s} (J2000),
                 236.027d {+15h 44m 06s} (current),
                 235.094d {+15h 40m 23s} (1950)
GRB_DEC:          -4.695d {-04d 41' 42"} (J2000),
                  -4.760d {-04d 45' 35"} (current),
                  -4.537d {-04d 32' 13"} (1950)
GRB_DATE:        19109 TJD;   261 DOY;   20/09/17
GRB_TIME:        13948.30 SOD {03:52:28.30} UT
TRIGGER_INDEX:   289
GRB_PHI:         142.72 [deg]
GRB_THETA:        12.50 [deg]
DELTA_TIME:      45.00 [sec]
TRIGGER_DUR:     4.096 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     14.00 [sigma]
IMAGE_SIGNIF:    9.11 [sigma]
LC_URL:          sw00996184000msb.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 Sep 17 00:10:04 EDT 2020