TDRSS lightcurve for Trigger=997024

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 22 Sep 20 12:07:01 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     997024,   Seg_Num: 0
GRB_RA:          296.915d {+19h 47m 40s} (J2000),
                 297.328d {+19h 49m 19s} (current),
                 295.915d {+19h 43m 40s} (1950)
GRB_DEC:         -55.204d {-55d 12' 12"} (J2000),
                 -55.151d {-55d 09' 03"} (current),
                 -55.328d {-55d 19' 38"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       594 [cnts]    Image_Peak=96 [image_cnts]
TRIGGER_DUR:     0.064 [sec] 
TRIGGER_INDEX:   10418     E_range: 25-100 keV
BKG_INTEN:       17756 [cnts]
BKG_TIME:        43590.32 SOD {12:06:30.32} UT
BKG_DUR:         8 [sec]
GRB_DATE:        19114 TJD;   266 DOY;   20/09/22
GRB_TIME:        43606.64 SOD {12:06:46.64} UT
GRB_PHI:           1.60 [deg]
GRB_THETA:        32.96 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     8.77 [sigma]
IMAGE_SIGNIF:    10.54 [sigma]
MERIT_PARAMS:     +1  +0  +0  -4  +2  +0  +0  +0 +25  +0 
SUN_POSTN:       179.95d {+11h 59m 48s}   +0.02d {+00d 01' 16"}
SUN_DIST:        105.25 [deg]   Sun_angle= -7.8 [hr] (East of Sun)
MOON_POSTN:      248.33d {+16h 33m 19s}  -20.55d {-20d 33' 12"}
MOON_DIST:        50.27 [deg]
MOON_ILLUM:      33 [%]
GAL_COORDS:      342.60,-29.85 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      288.03,-33.44 [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 = 193.29,-15.76 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 22 Sep 20 12:20:22 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     997024,   Seg_Num: 0
GRB_RA:          296.915d {+19h 47m 40s} (J2000),
                 297.328d {+19h 49m 19s} (current),
                 295.915d {+19h 43m 40s} (1950)
GRB_DEC:         -55.204d {-55d 12' 12"} (J2000),
                 -55.151d {-55d 09' 03"} (current),
                 -55.328d {-55d 19' 38"} (1950)
GRB_DATE:        19114 TJD;   266 DOY;   20/09/22
GRB_TIME:        43606.58 SOD {12:06:46.58} UT
TRIGGER_INDEX:   10418
GRB_PHI:           1.60 [deg]
GRB_THETA:        32.96 [deg]
DELTA_TIME:      -25.00 [sec]
TRIGGER_DUR:     0.064 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     8.77 [sigma]
IMAGE_SIGNIF:    10.54 [sigma]
LC_URL:          sw00997024000msb.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

Plot creation:
Tue Sep 22 08:20:45 EDT 2020