TDRSS lightcurve for Trigger=771371

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 08 Sep 17 08:15:03 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     771371,   Seg_Num: 0
GRB_RA:          233.847d {+15h 35m 23s} (J2000),
                 234.197d {+15h 36m 47s} (current),
                 232.860d {+15h 31m 27s} (1950)
GRB_DEC:         -57.233d {-57d 13' 59"} (J2000),
                 -57.291d {-57d 17' 27"} (current),
                 -57.067d {-57d 04' 01"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=9787 [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:        18004 TJD;   251 DOY;   17/09/08
GRB_TIME:        29628.34 SOD {08:13:48.34} UT
GRB_PHI:          24.96 [deg]
GRB_THETA:        16.79 [deg]
SOLN_STATUS:     0x1D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    23.43 [sigma]
MERIT_PARAMS:     +0  +0 +100  +6  +1  +8  +0  +1 -13  +0 
SUN_POSTN:       167.00d {+11h 08m 00s}   +5.57d {+05d 34' 09"}
SUN_DIST:         82.72 [deg]   Sun_angle= -4.5 [hr] (East of Sun)
MOON_POSTN:       12.06d {+00h 48m 14s}   +1.06d {+01d 03' 50"}
MOON_DIST:       114.60 [deg]
MOON_ILLUM:      95 [%]
GAL_COORDS:      323.73, -1.14 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      246.53,-36.70 [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 matches a source in the on-board catalog: Num=20431=(null) (probably an AT_Slot).  
COMMENTS:        This does not match any source in the ground catalog.  
COMMENTS:        This is not a GRB.  
COMMENTS:        This is an interesting source.  
COMMENTS:        This trigger occurred at longitude,latitude = 31.87,-15.92 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 08 Sep 17 08:30:27 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     771371,   Seg_Num: 0
GRB_RA:          233.847d {+15h 35m 23s} (J2000),
                 234.197d {+15h 36m 47s} (current),
                 232.860d {+15h 31m 27s} (1950)
GRB_DEC:         -57.233d {-57d 13' 59"} (J2000),
                 -57.291d {-57d 17' 27"} (current),
                 -57.067d {-57d 04' 01"} (1950)
GRB_DATE:        18004 TJD;   251 DOY;   17/09/08
GRB_TIME:        29628.34 SOD {08:13:48.34} UT
TRIGGER_INDEX:   20000
GRB_PHI:          24.96 [deg]
GRB_THETA:        16.79 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x1D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    23.43 [sigma]
LC_URL:          sw00771371000msb.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

Plot creation:
Fri Sep  8 04:31:54 EDT 2017