TDRSS lightcurve for Trigger=765081

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 28 Jul 17 17:08:13 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     765081,   Seg_Num: 0
GRB_RA:          274.368d {+18h 17m 28s} (J2000),
                 274.623d {+18h 18m 29s} (current),
                 273.644d {+18h 14m 35s} (1950)
GRB_DEC:         -16.722d {-16d 43' 17"} (J2000),
                 -16.714d {-16d 42' 50"} (current),
                 -16.741d {-16d 44' 27"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       6349 [cnts]    Image_Peak=254 [image_cnts]
TRIGGER_DUR:     2.048 [sec] 
TRIGGER_INDEX:   403     E_range: 15-25 keV
BKG_INTEN:       65055 [cnts]
BKG_TIME:        61044.56 SOD {16:57:24.56} UT
BKG_DUR:         24 [sec]
GRB_DATE:        17962 TJD;   209 DOY;   17/07/28
GRB_TIME:        61077.96 SOD {16:57:57.96} UT
GRB_PHI:          57.40 [deg]
GRB_THETA:        15.87 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     10.14 [sigma]
IMAGE_SIGNIF:    8.63 [sigma]
MERIT_PARAMS:     +1  +0  +0  +1  +0  -1  +0  +1 +84  +0 
SUN_POSTN:       128.18d {+08h 32m 44s}  +18.82d {+18d 48' 59"}
SUN_DIST:        148.02 [deg]   Sun_angle= -9.8 [hr] (East of Sun)
MOON_POSTN:      194.33d {+12h 57m 19s}   -1.79d {-01d 47' 19"}
MOON_DIST:        80.19 [deg]
MOON_ILLUM:      31 [%]
GAL_COORDS:       14.24, -0.31 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      274.21,  6.65 [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 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 = 13.85,3.79 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 28 Jul 17 17:21:32 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     765081,   Seg_Num: 0
GRB_RA:          274.368d {+18h 17m 28s} (J2000),
                 274.623d {+18h 18m 29s} (current),
                 273.644d {+18h 14m 35s} (1950)
GRB_DEC:         -16.722d {-16d 43' 17"} (J2000),
                 -16.714d {-16d 42' 50"} (current),
                 -16.741d {-16d 44' 27"} (1950)
GRB_DATE:        17962 TJD;   209 DOY;   17/07/28
GRB_TIME:        61077.96 SOD {16:57:57.96} UT
TRIGGER_INDEX:   403
GRB_PHI:          57.40 [deg]
GRB_THETA:        15.87 [deg]
DELTA_TIME:      19.00 [sec]
TRIGGER_DUR:     2.048 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     10.14 [sigma]
IMAGE_SIGNIF:    8.63 [sigma]
LC_URL:          sw00765081000msb.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:
Fri Jul 28 13:22:03 EDT 2017