TDRSS lightcurve for Trigger=876016

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 13 Dec 18 12:58:43 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     876016,   Seg_Num: 0
GRB_RA:          248.207d {+16h 32m 50s} (J2000),
                 247.969d {+16h 31m 53s} (current),
                 248.846d {+16h 35m 23s} (1950)
GRB_DEC:         +78.504d {+78d 30' 16"} (J2000),
                 +78.465d {+78d 27' 54"} (current),
                 +78.606d {+78d 36' 23"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       30185 [cnts]    Image_Peak=583 [image_cnts]
TRIGGER_DUR:     16.384 [sec] 
TRIGGER_INDEX:   378     E_range: 25-100 keV
BKG_INTEN:       107087 [cnts]
BKG_TIME:        46561.92 SOD {12:56:01.92} UT
BKG_DUR:         64 [sec]
GRB_DATE:        18465 TJD;   347 DOY;   18/12/13
GRB_TIME:        46658.43 SOD {12:57:38.43} UT
GRB_PHI:         -148.16 [deg]
GRB_THETA:        47.56 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     13.78 [sigma]
IMAGE_SIGNIF:    11.30 [sigma]
MERIT_PARAMS:     +1  +0  +0  +4  +2  +1  +0  +0 +20  +0 
SUN_POSTN:       260.71d {+17h 22m 50s}  -23.16d {-23d 09' 40"}
SUN_DIST:        101.89 [deg]   Sun_angle= 0.8 [hr] (West of Sun)
MOON_POSTN:      333.30d {+22h 13m 12s}  -14.13d {-14d 07' 30"}
MOON_DIST:       102.90 [deg]
MOON_ILLUM:      32 [%]
GAL_COORDS:      111.63, 33.21 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      108.59, 76.58 [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 = 216.86,-9.38 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 13 Dec 18 13:25:42 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     876016,   Seg_Num: 0
GRB_RA:          248.207d {+16h 32m 50s} (J2000),
                 247.969d {+16h 31m 53s} (current),
                 248.846d {+16h 35m 23s} (1950)
GRB_DEC:         +78.504d {+78d 30' 16"} (J2000),
                 +78.465d {+78d 27' 54"} (current),
                 +78.606d {+78d 36' 23"} (1950)
GRB_DATE:        18465 TJD;   347 DOY;   18/12/13
GRB_TIME:        46658.43 SOD {12:57:38.43} UT
TRIGGER_INDEX:   378
GRB_PHI:         -148.16 [deg]
GRB_THETA:        47.56 [deg]
DELTA_TIME:      -50.00 [sec]
TRIGGER_DUR:     16.384 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     13.78 [sigma]
IMAGE_SIGNIF:    11.30 [sigma]
LC_URL:          sw00876016000msb.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 Dec 13 08:26:03 EST 2018