TDRSS lightcurve for Trigger=994727

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 05 Sep 20 10:05:55 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     994727,   Seg_Num: 0
GRB_RA:          243.045d {+16h 12m 11s} (J2000),
                 243.445d {+16h 13m 47s} (current),
                 242.080d {+16h 08m 19s} (1950)
GRB_DEC:         -52.719d {-52d 43' 07"} (J2000),
                 -52.771d {-52d 46' 14"} (current),
                 -52.591d {-52d 35' 25"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       8858 [cnts]    Image_Peak=289 [image_cnts]
TRIGGER_DUR:     4.096 [sec] 
TRIGGER_INDEX:   280     E_range: 15-25 keV
BKG_INTEN:       75512 [cnts]
BKG_TIME:        36254.41 SOD {10:04:14.41} UT
BKG_DUR:         40 [sec]
GRB_DATE:        19097 TJD;   249 DOY;   20/09/05
GRB_TIME:        36310.93 SOD {10:05:10.93} UT
GRB_PHI:         173.11 [deg]
GRB_THETA:        36.89 [deg]
SOLN_STATUS:     0x403
RATE_SIGNIF:     12.84 [sigma]
IMAGE_SIGNIF:    8.21 [sigma]
MERIT_PARAMS:     +1  +0  +0  +2  +0  -1  +0  +1  -3  +0 
SUN_POSTN:       164.61d {+10h 58m 28s}   +6.56d {+06d 33' 36"}
SUN_DIST:         88.54 [deg]   Sun_angle= -5.3 [hr] (East of Sun)
MOON_POSTN:       19.15d {+01h 16m 36s}   +3.18d {+03d 10' 36"}
MOON_DIST:       118.46 [deg]
MOON_ILLUM:      91 [%]
GAL_COORDS:      330.66, -1.01 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      251.31,-31.01 [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 = 119.21,19.50 [deg].  
COMMENTS:           
COMMENTS:        This trigger occured while the StarTracker had lost lock, so it is possibly bogus.  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 05 Sep 20 10:22:37 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     994727,   Seg_Num: 0
GRB_RA:          243.045d {+16h 12m 11s} (J2000),
                 243.445d {+16h 13m 47s} (current),
                 242.080d {+16h 08m 19s} (1950)
GRB_DEC:         -52.719d {-52d 43' 07"} (J2000),
                 -52.771d {-52d 46' 14"} (current),
                 -52.591d {-52d 35' 25"} (1950)
GRB_DATE:        19097 TJD;   249 DOY;   20/09/05
GRB_TIME:        36310.93 SOD {10:05:10.93} UT
TRIGGER_INDEX:   280
GRB_PHI:         173.11 [deg]
GRB_THETA:        36.89 [deg]
DELTA_TIME:      -50.00 [sec]
TRIGGER_DUR:     4.096 [sec] 
SOLN_STATUS:     0x403
RATE_SIGNIF:     12.84 [sigma]
IMAGE_SIGNIF:    8.21 [sigma]
LC_URL:          sw00994727000msb.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 Sep  5 06:23:05 EDT 2020