TDRSS lightcurve for Trigger=946344

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 27 Dec 19 01:39:55 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     946344,   Seg_Num: 0
GRB_RA:          319.170d {+21h 16m 41s} (J2000),
                 319.447d {+21h 17m 47s} (current),
                 318.474d {+21h 13m 54s} (1950)
GRB_DEC:         -16.704d {-16d 42' 15"} (J2000),
                 -16.620d {-16d 37' 11"} (current),
                 -16.914d {-16d 54' 49"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       6770 [cnts]    Image_Peak=379 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   155     E_range: 50-350 keV
BKG_INTEN:       20413 [cnts]
BKG_TIME:        5959.84 SOD {01:39:19.84} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18844 TJD;   361 DOY;   19/12/27
GRB_TIME:        5977.57 SOD {01:39:37.57} UT
GRB_PHI:         -142.05 [deg]
GRB_THETA:        49.80 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     76.49 [sigma]
IMAGE_SIGNIF:    16.65 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +3  +5 -100  +0 -74  +0 
SUN_POSTN:       275.43d {+18h 21m 44s}  -23.34d {-23d 20' 30"}
SUN_DIST:         41.75 [deg]   Sun_angle= -2.9 [hr] (East of Sun)
MOON_POSTN:      286.61d {+19h 06m 26s}  -23.30d {-23d 18' 06"}
MOON_DIST:        31.51 [deg]
MOON_ILLUM:      1 [%]
GAL_COORDS:       33.14,-39.48 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      316.45, -0.84 [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 = 183.85,11.85 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(13.0<100sec) coincident with the FERMI_GBM event (trignum=599103569).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 27 Dec 19 01:57:01 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     946344,   Seg_Num: 0
GRB_RA:          319.170d {+21h 16m 41s} (J2000),
                 319.447d {+21h 17m 47s} (current),
                 318.474d {+21h 13m 54s} (1950)
GRB_DEC:         -16.704d {-16d 42' 15"} (J2000),
                 -16.620d {-16d 37' 11"} (current),
                 -16.914d {-16d 54' 49"} (1950)
GRB_DATE:        18844 TJD;   361 DOY;   19/12/27
GRB_TIME:        5977.57 SOD {01:39:37.57} UT
TRIGGER_INDEX:   155
GRB_PHI:         -142.05 [deg]
GRB_THETA:        49.80 [deg]
DELTA_TIME:      -11.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     76.49 [sigma]
IMAGE_SIGNIF:    16.65 [sigma]
LC_URL:          sw00946344000msb.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 26 20:57:42 EST 2019