TDRSS lightcurve for Trigger=840853

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 13 Jun 18 15:37:51 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     840853,   Seg_Num: 0
GRB_RA:          211.562d {+14h 06m 15s} (J2000),
                 211.849d {+14h 07m 24s} (current),
                 210.787d {+14h 03m 09s} (1950)
GRB_DEC:         -43.076d {-43d 04' 31"} (J2000),
                 -43.163d {-43d 09' 46"} (current),
                 -42.837d {-42d 50' 14"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=2788 [image_cnts]
TRIGGER_DUR:     80.000 [sec] 
TRIGGER_INDEX:   20000     E_range: 15-50 keV
BKG_INTEN:       0 [cnts]
BKG_TIME:        0.00 SOD {00:00:00.00} UT
BKG_DUR:         0 [sec]
GRB_DATE:        18282 TJD;   164 DOY;   18/06/13
GRB_TIME:        56178.90 SOD {15:36:18.90} UT
GRB_PHI:         165.83 [deg]
GRB_THETA:        17.88 [deg]
SOLN_STATUS:     0x2013
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    10.59 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  +0  +0  +0 +69  +0 
SUN_POSTN:        81.93d {+05h 27m 43s}  +23.23d {+23d 13' 43"}
SUN_DIST:        134.42 [deg]   Sun_angle= -8.7 [hr] (East of Sun)
MOON_POSTN:       79.61d {+05h 18m 27s}  +19.36d {+19d 21' 37"}
MOON_DIST:       133.58 [deg]
MOON_ILLUM:      0 [%]
GAL_COORDS:      317.17, 17.72 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      225.00,-28.33 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This is an image trigger.  (The RATE_SIGNIF & BKG_{INTEN, TIME, DUR} are undefined.)  
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=6.20) 1.22 arcmin from this position.  
COMMENTS:        This is a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 43.09,16.69 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 13 Jun 18 15:53:21 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     840853,   Seg_Num: 0
GRB_RA:          211.562d {+14h 06m 15s} (J2000),
                 211.849d {+14h 07m 24s} (current),
                 210.787d {+14h 03m 09s} (1950)
GRB_DEC:         -43.076d {-43d 04' 31"} (J2000),
                 -43.163d {-43d 09' 46"} (current),
                 -42.837d {-42d 50' 14"} (1950)
GRB_DATE:        18282 TJD;   164 DOY;   18/06/13
GRB_TIME:        56178.90 SOD {15:36:18.90} UT
TRIGGER_INDEX:   20000
GRB_PHI:         165.83 [deg]
GRB_THETA:        17.88 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     80.000 [sec] 
SOLN_STATUS:     0x2013
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    10.59 [sigma]
LC_URL:          sw00840853000msb.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:
Wed Jun 13 11:53:42 EDT 2018