TDRSS lightcurve for Trigger=763539

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 20 Jul 17 04:42:24 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     763539,   Seg_Num: 0
GRB_RA:          185.367d {+12h 21m 28s} (J2000),
                 185.591d {+12h 22m 22s} (current),
                 184.728d {+12h 18m 55s} (1950)
GRB_DEC:          +5.029d {+05d 01' 46"} (J2000),
                  +4.932d {+04d 55' 56"} (current),
                  +5.307d {+05d 18' 25"} (1950)
GRB_ERROR:       4.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1064 [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:        17954 TJD;   201 DOY;   17/07/20
GRB_TIME:        16868.60 SOD {04:41:08.60} UT
GRB_PHI:          40.34 [deg]
GRB_THETA:        22.65 [deg]
SOLN_STATUS:     0x1099D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    5.98 [sigma]
MERIT_PARAMS:     +0  +0 +125  +6  +1  -5  +0  +0 -41  +1 
SUN_POSTN:       119.75d {+07h 59m 01s}  +20.62d {+20d 37' 24"}
SUN_DIST:         65.67 [deg]   Sun_angle= -4.4 [hr] (East of Sun)
MOON_POSTN:       72.14d {+04h 48m 33s}  +17.50d {+17d 29' 45"}
MOON_DIST:       110.63 [deg]
MOON_ILLUM:      15 [%]
GAL_COORDS:      283.70, 66.78 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      182.92,  6.75 [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 is a low-flux event whose position matches one of the nearby galaxy sources in the on-board catalog!  
COMMENTS:        This matches a source in the on-board catalog: Num=12481=12194+0523,   delta=0.159 [deg].  
COMMENTS:        This matches a source in the ground catalog: 12194+0523,   delta=0.159 [deg].  
COMMENTS:        This is a GRB in nearby galaxy or it is noise.  
COMMENTS:        This trigger occurred at longitude,latitude = 173.41,-20.24 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 20 Jul 17 05:02:22 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     763539,   Seg_Num: 0
GRB_RA:          185.367d {+12h 21m 28s} (J2000),
                 185.591d {+12h 22m 22s} (current),
                 184.728d {+12h 18m 55s} (1950)
GRB_DEC:          +5.029d {+05d 01' 46"} (J2000),
                  +4.932d {+04d 55' 56"} (current),
                  +5.307d {+05d 18' 25"} (1950)
GRB_DATE:        17954 TJD;   201 DOY;   17/07/20
GRB_TIME:        16868.60 SOD {04:41:08.60} UT
TRIGGER_INDEX:   20000
GRB_PHI:          40.34 [deg]
GRB_THETA:        22.65 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x99D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    5.98 [sigma]
LC_URL:          sw00763539000msb.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:
Thu Jul 20 01:02:44 EDT 2017