TDRSS lightcurve for Trigger=945344

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 20 Dec 19 13:30:50 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     945344,   Seg_Num: 0
GRB_RA:          281.391d {+18h 45m 34s} (J2000),
                 281.592d {+18h 46m 22s} (current),
                 280.887d {+18h 43m 33s} (1950)
GRB_DEC:         +26.667d {+26d 40' 02"} (J2000),
                 +26.689d {+26d 41' 22"} (current),
                 +26.613d {+26d 36' 48"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       44331 [cnts]    Image_Peak=505 [image_cnts]
TRIGGER_DUR:     16.384 [sec] 
TRIGGER_INDEX:   460     E_range: 15-50 keV
BKG_INTEN:       164739 [cnts]
BKG_TIME:        48479.87 SOD {13:27:59.87} UT
BKG_DUR:         64 [sec]
GRB_DATE:        18837 TJD;   354 DOY;   19/12/20
GRB_TIME:        48577.79 SOD {13:29:37.79} UT
GRB_PHI:         -105.28 [deg]
GRB_THETA:        37.61 [deg]
SOLN_STATUS:     0x2003
RATE_SIGNIF:     8.88 [sigma]
IMAGE_SIGNIF:    7.80 [sigma]
MERIT_PARAMS:     +1  +0  +0  +4  +1  -2  +0  +0 -61  +0 
SUN_POSTN:       268.22d {+17h 52m 52s}  -23.43d {-23d 25' 32"}
SUN_DIST:         51.76 [deg]   Sun_angle= -0.9 [hr] (East of Sun)
MOON_POSTN:      196.94d {+13h 07m 45s}   -1.53d {-01d 31' 56"}
MOON_DIST:        85.92 [deg]
MOON_ILLUM:      35 [%]
GAL_COORDS:       56.46, 13.00 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      285.76, 49.49 [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:        There is a bright star (mag=4.83) 6.87 arcmin from this position.  
COMMENTS:        This is a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 13.81,20.10 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 20 Dec 19 13:48:26 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     945344,   Seg_Num: 0
GRB_RA:          281.391d {+18h 45m 34s} (J2000),
                 281.592d {+18h 46m 22s} (current),
                 280.887d {+18h 43m 33s} (1950)
GRB_DEC:         +26.667d {+26d 40' 02"} (J2000),
                 +26.689d {+26d 41' 22"} (current),
                 +26.613d {+26d 36' 48"} (1950)
GRB_DATE:        18837 TJD;   354 DOY;   19/12/20
GRB_TIME:        48577.79 SOD {13:29:37.79} UT
TRIGGER_INDEX:   460
GRB_PHI:         -105.28 [deg]
GRB_THETA:        37.61 [deg]
DELTA_TIME:      -31.00 [sec]
TRIGGER_DUR:     16.384 [sec] 
SOLN_STATUS:     0x2003
RATE_SIGNIF:     8.88 [sigma]
IMAGE_SIGNIF:    7.80 [sigma]
LC_URL:          sw00945344000msb.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:
Fri Dec 20 08:48:43 EST 2019