TDRSS lightcurve for Trigger=668641

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 28 Dec 15 22:47:30 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     668641,   Seg_Num: 0
GRB_RA:          344.441d {+22h 57m 46s} (J2000),
                 344.642d {+22h 58m 34s} (current),
                 343.811d {+22h 55m 15s} (1950)
GRB_DEC:          +8.076d {+08d 04' 34"} (J2000),
                  +8.162d {+08d 09' 43"} (current),
                  +7.808d {+07d 48' 30"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       4049 [cnts]    Image_Peak=328 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   146     E_range: 25-100 keV
BKG_INTEN:       20478 [cnts]
BKG_TIME:        82016.38 SOD {22:46:56.38} UT
BKG_DUR:         8 [sec]
GRB_DATE:        17384 TJD;   362 DOY;   15/12/28
GRB_TIME:        82034.94 SOD {22:47:14.94} UT
GRB_PHI:         -86.67 [deg]
GRB_THETA:         1.58 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     26.24 [sigma]
IMAGE_SIGNIF:    11.83 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  +1  +0  +0 -30  +0 
SUN_POSTN:       277.49d {+18h 29m 57s}  -23.26d {-23d 15' 28"}
SUN_DIST:         72.72 [deg]   Sun_angle= -4.5 [hr] (East of Sun)
MOON_POSTN:      141.00d {+09h 24m 00s}  +12.24d {+12d 14' 26"}
MOON_DIST:       148.88 [deg]
MOON_ILLUM:      87 [%]
GAL_COORDS:       80.87,-45.31 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      348.86, 13.56 [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 = 258.44,17.26 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(2.0<100sec) coincident with the FERMI_GBM event (trignum=473035636).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 28 Dec 15 23:06:39 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     668641,   Seg_Num: 0
GRB_RA:          344.441d {+22h 57m 46s} (J2000),
                 344.642d {+22h 58m 34s} (current),
                 343.811d {+22h 55m 15s} (1950)
GRB_DEC:          +8.076d {+08d 04' 34"} (J2000),
                  +8.162d {+08d 09' 43"} (current),
                  +7.808d {+07d 48' 30"} (1950)
GRB_DATE:        17384 TJD;   362 DOY;   15/12/28
GRB_TIME:        82034.94 SOD {22:47:14.94} UT
TRIGGER_INDEX:   146
GRB_PHI:         -86.67 [deg]
GRB_THETA:         1.58 [deg]
DELTA_TIME:      64.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     26.24 [sigma]
IMAGE_SIGNIF:    11.83 [sigma]
LC_URL:          sw00668641000msb.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 Dec 28 18:07:42 EST 2015