TDRSS lightcurve for Trigger=653978

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 31 Aug 15 22:19:49 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     653978,   Seg_Num: 0
GRB_RA:          271.021d {+18h 04m 05s} (J2000),
                 271.267d {+18h 05m 04s} (current),
                 270.237d {+18h 00m 57s} (1950)
GRB_DEC:         -27.252d {-27d 15' 07"} (J2000),
                 -27.250d {-27d 15' 00"} (current),
                 -27.255d {-27d 15' 18"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       3820 [cnts]    Image_Peak=116 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   149     E_range: 25-100 keV
BKG_INTEN:       23269 [cnts]
BKG_TIME:        80352.92 SOD {22:19:12.92} UT
BKG_DUR:         8 [sec]
GRB_DATE:        17265 TJD;   243 DOY;   15/08/31
GRB_TIME:        80367.26 SOD {22:19:27.26} UT
GRB_PHI:          -4.95 [deg]
GRB_THETA:        57.10 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     16.18 [sigma]
IMAGE_SIGNIF:    8.54 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  -1  +0  +1 +38  +0 
SUN_POSTN:       159.84d {+10h 39m 22s}   +8.50d {+08d 29' 48"}
SUN_DIST:        112.88 [deg]   Sun_angle= -7.4 [hr] (East of Sun)
MOON_POSTN:        7.92d {+00h 31m 40s}   +2.82d {+02d 49' 19"}
MOON_DIST:        97.20 [deg]
MOON_ILLUM:      93 [%]
GAL_COORDS:        3.51, -2.66 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      270.91, -3.82 [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 = 50.70,-9.32 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(0.0<100sec) coincident with the FERMI_GBM event (trignum=462752371).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 31 Aug 15 22:36:23 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     653978,   Seg_Num: 0
GRB_RA:          271.021d {+18h 04m 05s} (J2000),
                 271.267d {+18h 05m 04s} (current),
                 270.237d {+18h 00m 57s} (1950)
GRB_DEC:         -27.252d {-27d 15' 07"} (J2000),
                 -27.250d {-27d 15' 00"} (current),
                 -27.255d {-27d 15' 18"} (1950)
GRB_DATE:        17265 TJD;   243 DOY;   15/08/31
GRB_TIME:        80367.26 SOD {22:19:27.26} UT
TRIGGER_INDEX:   149
GRB_PHI:          -4.95 [deg]
GRB_THETA:        57.10 [deg]
DELTA_TIME:      6.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     16.18 [sigma]
IMAGE_SIGNIF:    8.54 [sigma]
LC_URL:          sw00653978000msb.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:
Mon Aug 31 18:36:42 EDT 2015