TDRSS lightcurve for Trigger=992099

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 19 Aug 20 15:44:59 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     992099,   Seg_Num: 0
GRB_RA:           21.428d {+01h 25m 43s} (J2000),
                  21.776d {+01h 27m 06s} (current),
                  20.592d {+01h 22m 22s} (1950)
GRB_DEC:         +63.048d {+63d 02' 52"} (J2000),
                 +63.155d {+63d 09' 17"} (current),
                 +62.788d {+62d 47' 17"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       6478 [cnts]    Image_Peak=250 [image_cnts]
TRIGGER_DUR:     2.048 [sec] 
TRIGGER_INDEX:   262     E_range: 25-100 keV
BKG_INTEN:       63977 [cnts]
BKG_TIME:        56598.51 SOD {15:43:18.51} UT
BKG_DUR:         24 [sec]
GRB_DATE:        19080 TJD;   232 DOY;   20/08/19
GRB_TIME:        56632.88 SOD {15:43:52.88} UT
GRB_PHI:         -167.72 [deg]
GRB_THETA:        22.30 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     11.09 [sigma]
IMAGE_SIGNIF:    7.88 [sigma]
MERIT_PARAMS:     +1  +0  +0  +1  +2  -2  +0  +1  +8  +0 
SUN_POSTN:       149.32d {+09h 57m 17s}  +12.47d {+12d 28' 16"}
SUN_DIST:         94.36 [deg]   Sun_angle= 8.5 [hr] (West of Sun)
MOON_POSTN:      158.04d {+10h 32m 10s}  +14.17d {+14d 10' 18"}
MOON_DIST:        95.62 [deg]
MOON_ILLUM:      0 [%]
GAL_COORDS:      126.80,  0.43 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       50.21, 48.76 [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 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 = 175.88,19.76 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 19 Aug 20 16:00:47 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     992099,   Seg_Num: 0
GRB_RA:           21.428d {+01h 25m 43s} (J2000),
                  21.776d {+01h 27m 06s} (current),
                  20.592d {+01h 22m 22s} (1950)
GRB_DEC:         +63.048d {+63d 02' 52"} (J2000),
                 +63.155d {+63d 09' 17"} (current),
                 +62.788d {+62d 47' 17"} (1950)
GRB_DATE:        19080 TJD;   232 DOY;   20/08/19
GRB_TIME:        56632.88 SOD {15:43:52.88} UT
TRIGGER_INDEX:   262
GRB_PHI:         -167.72 [deg]
GRB_THETA:        22.30 [deg]
DELTA_TIME:      -76.00 [sec]
TRIGGER_DUR:     2.048 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     11.09 [sigma]
IMAGE_SIGNIF:    7.88 [sigma]
LC_URL:          sw00992099000msb.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:
Wed Aug 19 12:01:04 EDT 2020