TDRSS lightcurve for Trigger=965784

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 11 Apr 20 04:29:19 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     965784,   Seg_Num: 0
GRB_RA:           47.659d {+03h 10m 38s} (J2000),
                  47.811d {+03h 11m 15s} (current),
                  47.285d {+03h 09m 08s} (1950)
GRB_DEC:         -52.314d {-52d 18' 51"} (J2000),
                 -52.238d {-52d 14' 18"} (current),
                 -52.503d {-52d 30' 08"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       589 [cnts]    Image_Peak=94 [image_cnts]
TRIGGER_DUR:     0.064 [sec] 
TRIGGER_INDEX:   10418     E_range: 25-100 keV
BKG_INTEN:       18272 [cnts]
BKG_TIME:        16127.24 SOD {04:28:47.24} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18950 TJD;   102 DOY;   20/04/11
GRB_TIME:        16142.28 SOD {04:29:02.28} UT
GRB_PHI:         -161.70 [deg]
GRB_THETA:         8.30 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     34.97 [sigma]
IMAGE_SIGNIF:    10.06 [sigma]
MERIT_PARAMS:     +1  +0  +0  -4  +2  +0  +0  +0 -41  +0 
SUN_POSTN:        20.11d {+01h 20m 26s}   +8.48d {+08d 28' 36"}
SUN_DIST:         65.18 [deg]   Sun_angle= -1.8 [hr] (East of Sun)
MOON_POSTN:      243.27d {+16h 13m 04s}  -18.75d {-18d 45' 12"}
MOON_DIST:       107.74 [deg]
MOON_ILLUM:      87 [%]
GAL_COORDS:      266.66,-53.86 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       13.62,-64.93 [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 = 122.52,-19.90 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 11 Apr 20 04:52:13 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     965784,   Seg_Num: 0
GRB_RA:           47.659d {+03h 10m 38s} (J2000),
                  47.811d {+03h 11m 15s} (current),
                  47.285d {+03h 09m 08s} (1950)
GRB_DEC:         -52.314d {-52d 18' 51"} (J2000),
                 -52.238d {-52d 14' 18"} (current),
                 -52.503d {-52d 30' 08"} (1950)
GRB_DATE:        18950 TJD;   102 DOY;   20/04/11
GRB_TIME:        16142.45 SOD {04:29:02.45} UT
TRIGGER_INDEX:   10418
GRB_PHI:         -161.70 [deg]
GRB_THETA:         8.30 [deg]
DELTA_TIME:      80.00 [sec]
TRIGGER_DUR:     0.064 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     34.97 [sigma]
IMAGE_SIGNIF:    10.06 [sigma]
LC_URL:          sw00965784000msb.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 Apr 11 00:52:43 EDT 2020