TDRSS lightcurve for Trigger=661869

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 27 Oct 15 22:42:54 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     661869,   Seg_Num: 0
GRB_RA:           76.238d {+05h 04m 57s} (J2000),
                  76.431d {+05h 05m 43s} (current),
                  75.628d {+05h 02m 31s} (1950)
GRB_DEC:          -6.427d {-06d 25' 35"} (J2000),
                  -6.406d {-06d 24' 21"} (current),
                  -6.494d {-06d 29' 39"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1393 [image_cnts]
TRIGGER_DUR:     120.000 [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:        17322 TJD;   300 DOY;   15/10/27
GRB_TIME:        81640.66 SOD {22:40:40.66} UT
GRB_PHI:         118.21 [deg]
GRB_THETA:        37.36 [deg]
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    8.49 [sigma]
MERIT_PARAMS:     +1  +0  +0  +7  +1  -1  +0  +0 +66  +0 
SUN_POSTN:       211.94d {+14h 07m 44s}  -12.92d {-12d 54' 53"}
SUN_DIST:        131.76 [deg]   Sun_angle= 9.0 [hr] (West of Sun)
MOON_POSTN:       38.94d {+02h 35m 45s}  +11.76d {+11d 45' 46"}
MOON_DIST:        41.48 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:      206.29,-26.57 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       74.30,-29.12 [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 = 125.17,11.17 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 27 Oct 15 22:57:45 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     661869,   Seg_Num: 0
GRB_RA:           76.238d {+05h 04m 57s} (J2000),
                  76.431d {+05h 05m 43s} (current),
                  75.628d {+05h 02m 31s} (1950)
GRB_DEC:          -6.427d {-06d 25' 35"} (J2000),
                  -6.406d {-06d 24' 21"} (current),
                  -6.494d {-06d 29' 39"} (1950)
GRB_DATE:        17322 TJD;   300 DOY;   15/10/27
GRB_TIME:        81640.66 SOD {22:40:40.66} UT
TRIGGER_INDEX:   20000
GRB_PHI:         118.21 [deg]
GRB_THETA:        37.36 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     120.000 [sec] 
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    8.49 [sigma]
LC_URL:          sw00661869000msb.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 Oct 27 18:58:03 EDT 2015