TDRSS lightcurve for Trigger=655721

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 15 Sep 15 21:19:43 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     655721,   Seg_Num: 0
GRB_RA:          319.731d {+21h 18m 55s} (J2000),
                 319.971d {+21h 19m 53s} (current),
                 318.964d {+21h 15m 51s} (1950)
GRB_DEC:         -34.854d {-34d 51' 12"} (J2000),
                 -34.787d {-34d 47' 12"} (current),
                 -35.065d {-35d 03' 53"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1208 [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:        17280 TJD;   258 DOY;   15/09/15
GRB_TIME:        76704.86 SOD {21:18:24.86} UT
GRB_PHI:         121.40 [deg]
GRB_THETA:        24.62 [deg]
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.23 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  -3  +0  +0 +71  +0 
SUN_POSTN:       173.31d {+11h 33m 14s}   +2.89d {+02d 53' 28"}
SUN_DIST:        135.56 [deg]   Sun_angle= -9.8 [hr] (East of Sun)
MOON_POSTN:      200.15d {+13h 20m 37s}   -6.52d {-06d 31' 01"}
MOON_DIST:       109.94 [deg]
MOON_ILLUM:      6 [%]
GAL_COORDS:        9.53,-44.33 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      311.25,-18.26 [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 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 = 20.04,15.40 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 15 Sep 15 21:35:32 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     655721,   Seg_Num: 0
GRB_RA:          319.731d {+21h 18m 55s} (J2000),
                 319.971d {+21h 19m 53s} (current),
                 318.964d {+21h 15m 51s} (1950)
GRB_DEC:         -34.854d {-34d 51' 12"} (J2000),
                 -34.787d {-34d 47' 12"} (current),
                 -35.065d {-35d 03' 53"} (1950)
GRB_DATE:        17280 TJD;   258 DOY;   15/09/15
GRB_TIME:        76704.86 SOD {21:18:24.86} UT
TRIGGER_INDEX:   20000
GRB_PHI:         121.40 [deg]
GRB_THETA:        24.62 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.23 [sigma]
LC_URL:          sw00655721000msb.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:
Tue Sep 15 17:35:42 EDT 2015