TDRSS lightcurve for Trigger=773900

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 24 Sep 17 11:03:18 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     773900,   Seg_Num: 0
GRB_RA:           83.555d {+05h 34m 13s} (J2000),
                  83.823d {+05h 35m 18s} (current),
                  82.801d {+05h 31m 12s} (1950)
GRB_DEC:         +22.433d {+22d 25' 58"} (J2000),
                 +22.444d {+22d 26' 38"} (current),
                 +22.400d {+22d 23' 59"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=2649 [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:        18020 TJD;   267 DOY;   17/09/24
GRB_TIME:        39580.26 SOD {10:59:40.26} UT
GRB_PHI:         -130.17 [deg]
GRB_THETA:        28.43 [deg]
SOLN_STATUS:     0x413
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    15.15 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  +4  +0  +1 +13  +0 
SUN_POSTN:       181.46d {+12h 05m 51s}   -0.63d {-00d 38' 00"}
SUN_DIST:         97.30 [deg]   Sun_angle= 6.5 [hr] (West of Sun)
MOON_POSTN:      230.46d {+15h 21m 51s}  -13.16d {-13d 09' 49"}
MOON_DIST:       147.00 [deg]
MOON_ILLUM:      18 [%]
GAL_COORDS:      184.16, -5.62 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       84.04, -0.87 [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 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 = 190.26,-6.83 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 24 Sep 17 11:16:48 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     773900,   Seg_Num: 0
GRB_RA:           83.555d {+05h 34m 13s} (J2000),
                  83.823d {+05h 35m 18s} (current),
                  82.801d {+05h 31m 12s} (1950)
GRB_DEC:         +22.433d {+22d 25' 58"} (J2000),
                 +22.444d {+22d 26' 38"} (current),
                 +22.400d {+22d 23' 59"} (1950)
GRB_DATE:        18020 TJD;   267 DOY;   17/09/24
GRB_TIME:        39580.26 SOD {10:59:40.26} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -130.17 [deg]
GRB_THETA:        28.43 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x413
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    15.15 [sigma]
LC_URL:          sw00773900000msb.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:
Sun Sep 24 07:17:10 EDT 2017