TDRSS lightcurve for Trigger=999571

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 10 Oct 20 14:49:38 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     999571,   Seg_Num: 0
GRB_RA:          277.675d {+18h 30m 42s} (J2000),
                 277.955d {+18h 31m 49s} (current),
                 277.002d {+18h 28m 00s} (1950)
GRB_DEC:          -6.758d {-06d 45' 30"} (J2000),
                  -6.743d {-06d 44' 33"} (current),
                  -6.794d {-06d 47' 38"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       134 [cnts]    Image_Peak=29 [image_cnts]
TRIGGER_DUR:     0.008 [sec] 
TRIGGER_INDEX:   10109     E_range: 15-50 keV
BKG_INTEN:       21450 [cnts]
BKG_TIME:        53350.21 SOD {14:49:10.21} UT
BKG_DUR:         8 [sec]
GRB_DATE:        19132 TJD;   284 DOY;   20/10/10
GRB_TIME:        53363.97 SOD {14:49:23.97} UT
GRB_PHI:         -141.40 [deg]
GRB_THETA:        20.86 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     23.25 [sigma]
IMAGE_SIGNIF:    7.03 [sigma]
MERIT_PARAMS:     +1  +0  +0  -7  +1  -3  +0  +1 -16  +0 
SUN_POSTN:       196.38d {+13h 05m 31s}   -6.97d {-06d 58' 06"}
SUN_DIST:         80.87 [deg]   Sun_angle= -5.4 [hr] (East of Sun)
MOON_POSTN:      117.16d {+07h 48m 39s}  +23.99d {+23d 59' 25"}
MOON_DIST:       154.76 [deg]
MOON_ILLUM:      44 [%]
GAL_COORDS:       24.55,  1.50 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      277.95, 16.47 [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 = 69.75,4.87 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 10 Oct 20 15:08:39 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     999571,   Seg_Num: 0
GRB_RA:          277.675d {+18h 30m 42s} (J2000),
                 277.955d {+18h 31m 49s} (current),
                 277.002d {+18h 28m 00s} (1950)
GRB_DEC:          -6.758d {-06d 45' 30"} (J2000),
                  -6.743d {-06d 44' 33"} (current),
                  -6.794d {-06d 47' 38"} (1950)
GRB_DATE:        19132 TJD;   284 DOY;   20/10/10
GRB_TIME:        53364.13 SOD {14:49:24.13} UT
TRIGGER_INDEX:   10109
GRB_PHI:         -141.40 [deg]
GRB_THETA:        20.86 [deg]
DELTA_TIME:      49.00 [sec]
TRIGGER_DUR:     0.008 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     23.25 [sigma]
IMAGE_SIGNIF:    7.03 [sigma]
LC_URL:          sw00999571000msb.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 Oct 10 11:09:03 EDT 2020