TDRSS lightcurve for Trigger=813721

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 11 Mar 18 18:04:40 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     813721,   Seg_Num: 0
GRB_RA:            3.433d {+00h 13m 44s} (J2000),
                   3.658d {+00h 14m 38s} (current),
                   2.814d {+00h 11m 15s} (1950)
GRB_DEC:         -54.479d {-54d 28' 43"} (J2000),
                 -54.378d {-54d 22' 39"} (current),
                 -54.757d {-54d 45' 24"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       22617 [cnts]    Image_Peak=495 [image_cnts]
TRIGGER_DUR:     8.192 [sec] 
TRIGGER_INDEX:   453     E_range: 15-50 keV
BKG_INTEN:       160119 [cnts]
BKG_TIME:        64939.39 SOD {18:02:19.39} UT
BKG_DUR:         64 [sec]
GRB_DATE:        18188 TJD;    70 DOY;   18/03/11
GRB_TIME:        65029.24 SOD {18:03:49.24} UT
GRB_PHI:         -24.81 [deg]
GRB_THETA:        22.47 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     10.00 [sigma]
IMAGE_SIGNIF:    8.58 [sigma]
MERIT_PARAMS:     +1  +0  +0  +3  +1  -1  +0  +0 -61  +0 
SUN_POSTN:       351.84d {+23h 27m 21s}   -3.52d {-03d 31' 15"}
SUN_DIST:         51.76 [deg]   Sun_angle= -0.8 [hr] (East of Sun)
MOON_POSTN:      286.82d {+19h 07m 18s}  -19.96d {-19d 57' 52"}
MOON_DIST:        66.28 [deg]
MOON_ILLUM:      29 [%]
GAL_COORDS:      314.54,-61.79 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      333.29,-49.52 [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 = 178.26,-5.60 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 11 Mar 18 18:20:32 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     813721,   Seg_Num: 0
GRB_RA:            3.433d {+00h 13m 44s} (J2000),
                   3.658d {+00h 14m 38s} (current),
                   2.814d {+00h 11m 15s} (1950)
GRB_DEC:         -54.479d {-54d 28' 43"} (J2000),
                 -54.378d {-54d 22' 39"} (current),
                 -54.757d {-54d 45' 24"} (1950)
GRB_DATE:        18188 TJD;    70 DOY;   18/03/11
GRB_TIME:        65029.24 SOD {18:03:49.24} UT
TRIGGER_INDEX:   453
GRB_PHI:         -24.81 [deg]
GRB_THETA:        22.47 [deg]
DELTA_TIME:      -24.00 [sec]
TRIGGER_DUR:     8.192 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     10.00 [sigma]
IMAGE_SIGNIF:    8.58 [sigma]
LC_URL:          sw00813721000msb.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:
Sun Mar 11 14:20:46 EDT 2018