TDRSS lightcurve for Trigger=993768

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 29 Aug 20 14:00:51 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     993768,   Seg_Num: 0
GRB_RA:          251.212d {+16h 44m 51s} (J2000),
                 251.135d {+16h 44m 33s} (current),
                 251.402d {+16h 45m 36s} (1950)
GRB_DEC:         +72.335d {+72d 20' 07"} (J2000),
                 +72.298d {+72d 17' 53"} (current),
                 +72.424d {+72d 25' 28"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=2691 [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:        19090 TJD;   242 DOY;   20/08/29
GRB_TIME:        50374.45 SOD {13:59:34.45} UT
GRB_PHI:         -33.40 [deg]
GRB_THETA:        22.68 [deg]
SOLN_STATUS:     0x20000013
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    11.74 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  +1  +0  +0 -13  +0 
SUN_POSTN:       158.43d {+10h 33m 43s}   +9.06d {+09d 03' 19"}
SUN_DIST:         82.20 [deg]   Sun_angle= -6.2 [hr] (East of Sun)
MOON_POSTN:      296.69d {+19h 46m 45s}  -23.60d {-23d 35' 47"}
MOON_DIST:       100.73 [deg]
MOON_ILLUM:      87 [%]
GAL_COORDS:      104.51, 35.18 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      130.25, 81.30 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This is an image trigger.  (The RATE_SIGNIF & BKG_{INTEN, TIME, DUR} are undefined.)  
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 = 74.12,10.54 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(81.0<100sec) coincident with the INTEGRAL_SPIACS event (trignum=8700).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 29 Aug 20 14:18:32 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     993768,   Seg_Num: 0
GRB_RA:          251.212d {+16h 44m 51s} (J2000),
                 251.135d {+16h 44m 33s} (current),
                 251.402d {+16h 45m 36s} (1950)
GRB_DEC:         +72.335d {+72d 20' 07"} (J2000),
                 +72.298d {+72d 17' 53"} (current),
                 +72.424d {+72d 25' 28"} (1950)
GRB_DATE:        19090 TJD;   242 DOY;   20/08/29
GRB_TIME:        50374.45 SOD {13:59:34.45} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -33.40 [deg]
GRB_THETA:        22.68 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    11.74 [sigma]
LC_URL:          sw00993768000msb.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 Aug 29 10:19:25 EDT 2020