TDRSS lightcurve for Trigger=769567

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 27 Aug 17 05:13:51 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     769567,   Seg_Num: 0
GRB_RA:          276.180d {+18h 24m 43s} (J2000),
                 276.489d {+18h 25m 57s} (current),
                 275.306d {+18h 21m 13s} (1950)
GRB_DEC:         -40.220d {-40d 13' 11"} (J2000),
                 -40.209d {-40d 12' 32"} (current),
                 -40.248d {-40d 14' 51"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1409 [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:        17992 TJD;   239 DOY;   17/08/27
GRB_TIME:        18748.40 SOD {05:12:28.40} UT
GRB_PHI:         172.13 [deg]
GRB_THETA:        18.39 [deg]
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.28 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  -3  +0  +1 +48  +0 
SUN_POSTN:       156.02d {+10h 24m 05s}   +9.99d {+09d 59' 27"}
SUN_DIST:        119.56 [deg]   Sun_angle= -8.0 [hr] (East of Sun)
MOON_POSTN:      219.87d {+14h 39m 28s}  -10.13d {-10d 08' 04"}
MOON_DIST:        58.18 [deg]
MOON_ILLUM:      30 [%]
GAL_COORDS:      353.88,-12.44 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      274.93,-16.89 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
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 = 258.03,-15.13 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 27 Aug 17 05:29:07 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     769567,   Seg_Num: 0
GRB_RA:          276.180d {+18h 24m 43s} (J2000),
                 276.489d {+18h 25m 57s} (current),
                 275.306d {+18h 21m 13s} (1950)
GRB_DEC:         -40.220d {-40d 13' 11"} (J2000),
                 -40.209d {-40d 12' 32"} (current),
                 -40.248d {-40d 14' 51"} (1950)
GRB_DATE:        17992 TJD;   239 DOY;   17/08/27
GRB_TIME:        18748.40 SOD {05:12:28.40} UT
TRIGGER_INDEX:   20000
GRB_PHI:         172.13 [deg]
GRB_THETA:        18.39 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.28 [sigma]
LC_URL:          sw00769567000msb.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 Aug 27 01:35:57 EDT 2017