TDRSS lightcurve for Trigger=946234

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 26 Dec 19 00:32:34 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     946234,   Seg_Num: 0
GRB_RA:           17.141d {+01h 08m 34s} (J2000),
                  17.346d {+01h 09m 23s} (current),
                  16.626d {+01h 06m 30s} (1950)
GRB_DEC:         -57.085d {-57d 05' 04"} (J2000),
                 -56.979d {-56d 58' 42"} (current),
                 -57.351d {-57d 21' 03"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       35886 [cnts]    Image_Peak=491 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   160     E_range: 50-350 keV
BKG_INTEN:       226262 [cnts]
BKG_TIME:        1847.84 SOD {00:30:47.84} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18843 TJD;   360 DOY;   19/12/26
GRB_TIME:        1865.38 SOD {00:31:05.38} UT
GRB_PHI:         118.66 [deg]
GRB_THETA:        11.16 [deg]
SOLN_STATUS:     0xC3
RATE_SIGNIF:     14.45 [sigma]
IMAGE_SIGNIF:    6.55 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +3  -4  +0  +0 -22  +0 
SUN_POSTN:       274.27d {+18h 17m 06s}  -23.38d {-23d 22' 39"}
SUN_DIST:         77.32 [deg]   Sun_angle= -6.9 [hr] (East of Sun)
MOON_POSTN:      271.64d {+18h 06m 34s}  -22.90d {-22d 54' 15"}
MOON_DIST:        79.02 [deg]
MOON_ILLUM:      0 [%]
GAL_COORDS:      298.29,-59.89 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      340.20,-56.50 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This Notice was delayed by more than 60 sec past the end of the trigger integration interval;  
COMMENTS:        probably due to it occurring during a Malindi downlink session.  
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 during a high background rate interval.  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 26 Dec 19 00:37:32 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     946234,   Seg_Num: 0
GRB_RA:           17.141d {+01h 08m 34s} (J2000),
                  17.346d {+01h 09m 23s} (current),
                  16.626d {+01h 06m 30s} (1950)
GRB_DEC:         -57.085d {-57d 05' 04"} (J2000),
                 -56.979d {-56d 58' 42"} (current),
                 -57.351d {-57d 21' 03"} (1950)
GRB_DATE:        18843 TJD;   360 DOY;   19/12/26
GRB_TIME:        1865.38 SOD {00:31:05.38} UT
TRIGGER_INDEX:   160
GRB_PHI:         118.66 [deg]
GRB_THETA:        11.16 [deg]
DELTA_TIME:      29771.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0xC3
RATE_SIGNIF:     14.45 [sigma]
IMAGE_SIGNIF:    6.55 [sigma]
LC_URL:          sw00946234000msb.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

Plot creation:
Wed Dec 25 19:37:48 EST 2019