TDRSS lightcurve for Trigger=671231

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 21 Jan 16 13:51:02 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     671231,   Seg_Num: 0
GRB_RA:          109.079d {+07h 16m 19s} (J2000),
                 109.248d {+07h 17m 00s} (current),
                 108.554d {+07h 14m 13s} (1950)
GRB_DEC:         -23.578d {-23d 34' 40"} (J2000),
                 -23.607d {-23d 36' 25"} (current),
                 -23.488d {-23d 29' 17"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       2564 [cnts]    Image_Peak=144 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   146     E_range: 25-100 keV
BKG_INTEN:       16225 [cnts]
BKG_TIME:        49824.27 SOD {13:50:24.27} UT
BKG_DUR:         8 [sec]
GRB_DATE:        17408 TJD;    21 DOY;   16/01/21
GRB_TIME:        49837.71 SOD {13:50:37.71} UT
GRB_PHI:           7.73 [deg]
GRB_THETA:        22.82 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     10.04 [sigma]
IMAGE_SIGNIF:    7.25 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  -3  +0  +1 +69  +0 
SUN_POSTN:       303.17d {+20h 12m 40s}  -19.94d {-19d 56' 39"}
SUN_DIST:        134.38 [deg]   Sun_angle= -11.1 [hr] (East of Sun)
MOON_POSTN:       90.24d {+06h 00m 57s}  +18.38d {+18d 22' 44"}
MOON_DIST:        45.90 [deg]
MOON_ILLUM:      93 [%]
GAL_COORDS:      236.70, -5.39 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      115.24,-45.36 [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 = 158.07,3.83 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 21 Jan 16 14:08:12 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     671231,   Seg_Num: 0
GRB_RA:          109.079d {+07h 16m 19s} (J2000),
                 109.248d {+07h 17m 00s} (current),
                 108.554d {+07h 14m 13s} (1950)
GRB_DEC:         -23.578d {-23d 34' 40"} (J2000),
                 -23.607d {-23d 36' 25"} (current),
                 -23.488d {-23d 29' 17"} (1950)
GRB_DATE:        17408 TJD;    21 DOY;   16/01/21
GRB_TIME:        49837.71 SOD {13:50:37.71} UT
TRIGGER_INDEX:   146
GRB_PHI:           7.73 [deg]
GRB_THETA:        22.82 [deg]
DELTA_TIME:      -63.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     10.04 [sigma]
IMAGE_SIGNIF:    7.25 [sigma]
LC_URL:          sw00671231000msb.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:
Thu Jan 21 09:09:22 EST 2016