TDRSS lightcurve for Trigger=780845

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 20 Oct 17 23:08:09 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     780845,   Seg_Num: 0
GRB_RA:           39.262d {+02h 37m 03s} (J2000),
                  39.508d {+02h 38m 02s} (current),
                  38.575d {+02h 34m 18s} (1950)
GRB_DEC:         +15.186d {+15d 11' 10"} (J2000),
                 +15.263d {+15d 15' 45"} (current),
                 +14.969d {+14d 58' 10"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       32032 [cnts]    Image_Peak=475 [image_cnts]
TRIGGER_DUR:     8.192 [sec] 
TRIGGER_INDEX:   477     E_range: 25-100 keV
BKG_INTEN:       224131 [cnts]
BKG_TIME:        83140.12 SOD {23:05:40.12} UT
BKG_DUR:         64 [sec]
GRB_DATE:        18046 TJD;   293 DOY;   17/10/20
GRB_TIME:        83230.75 SOD {23:07:10.75} UT
GRB_PHI:          74.60 [deg]
GRB_THETA:        28.27 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     17.46 [sigma]
IMAGE_SIGNIF:    8.64 [sigma]
MERIT_PARAMS:     +1  +0  +0  +3  +2  -1  +0  +0 +97  +0 
SUN_POSTN:       205.77d {+13h 43m 04s}  -10.67d {-10d 40' 17"}
SUN_DIST:        165.85 [deg]   Sun_angle= 11.1 [hr] (West of Sun)
MOON_POSTN:      220.29d {+14h 41m 09s}  -10.47d {-10d 28' 23"}
MOON_DIST:       175.15 [deg]
MOON_ILLUM:      1 [%]
GAL_COORDS:      157.31,-40.53 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       41.65, -0.15 [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 = 348.59,10.53 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 20 Oct 17 23:24:19 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     780845,   Seg_Num: 0
GRB_RA:           39.262d {+02h 37m 03s} (J2000),
                  39.508d {+02h 38m 02s} (current),
                  38.575d {+02h 34m 18s} (1950)
GRB_DEC:         +15.186d {+15d 11' 10"} (J2000),
                 +15.263d {+15d 15' 45"} (current),
                 +14.969d {+14d 58' 10"} (1950)
GRB_DATE:        18046 TJD;   293 DOY;   17/10/20
GRB_TIME:        83230.75 SOD {23:07:10.75} UT
TRIGGER_INDEX:   477
GRB_PHI:          74.60 [deg]
GRB_THETA:        28.27 [deg]
DELTA_TIME:      58.00 [sec]
TRIGGER_DUR:     8.192 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     17.46 [sigma]
IMAGE_SIGNIF:    8.64 [sigma]
LC_URL:          sw00780845000msb.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 Oct 20 19:25:04 EDT 2017