TDRSS lightcurve for Trigger=945521

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 21 Dec 19 20:39:31 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     945521,   Seg_Num: 0
GRB_RA:          154.832d {+10h 19m 20s} (J2000),
                 155.051d {+10h 20m 12s} (current),
                 154.285d {+10h 17m 08s} (1950)
GRB_DEC:         -38.141d {-38d 08' 28"} (J2000),
                 -38.242d {-38d 14' 31"} (current),
                 -37.890d {-37d 53' 23"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       9285 [cnts]    Image_Peak=333 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   155     E_range: 50-350 keV
BKG_INTEN:       16713 [cnts]
BKG_TIME:        74335.87 SOD {20:38:55.87} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18838 TJD;   355 DOY;   19/12/21
GRB_TIME:        74353.15 SOD {20:39:13.15} UT
GRB_PHI:         119.33 [deg]
GRB_THETA:        39.77 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     145.16 [sigma]
IMAGE_SIGNIF:    11.67 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +3  +1  +0  +0  +5  +0 
SUN_POSTN:       269.66d {+17h 58m 37s}  -23.44d {-23d 26' 08"}
SUN_DIST:         93.09 [deg]   Sun_angle= 7.6 [hr] (West of Sun)
MOON_POSTN:      213.86d {+14h 15m 27s}   -8.57d {-08d 34' 26"}
MOON_DIST:        60.37 [deg]
MOON_ILLUM:      22 [%]
GAL_COORDS:      272.72, 15.65 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      175.09,-44.40 [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 = 102.82,-16.37 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 21 Dec 19 20:56:14 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     945521,   Seg_Num: 0
GRB_RA:          154.832d {+10h 19m 20s} (J2000),
                 155.051d {+10h 20m 12s} (current),
                 154.285d {+10h 17m 08s} (1950)
GRB_DEC:         -38.141d {-38d 08' 28"} (J2000),
                 -38.242d {-38d 14' 31"} (current),
                 -37.890d {-37d 53' 23"} (1950)
GRB_DATE:        18838 TJD;   355 DOY;   19/12/21
GRB_TIME:        74353.15 SOD {20:39:13.15} UT
TRIGGER_INDEX:   155
GRB_PHI:         119.33 [deg]
GRB_THETA:        39.77 [deg]
DELTA_TIME:      32.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     145.16 [sigma]
IMAGE_SIGNIF:    11.67 [sigma]
LC_URL:          sw00945521000msb.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:
Sat Dec 21 15:56:43 EST 2019