TDRSS lightcurve for Trigger=853882

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 18 Aug 18 12:32:40 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     853882,   Seg_Num: 0
GRB_RA:          104.235d {+06h 56m 56s} (J2000),
                 104.556d {+06h 58m 13s} (current),
                 103.373d {+06h 53m 29s} (1950)
GRB_DEC:         +39.329d {+39d 19' 43"} (J2000),
                 +39.303d {+39d 18' 10"} (current),
                 +39.395d {+39d 23' 42"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=2460 [image_cnts]
TRIGGER_DUR:     128.000 [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:        18348 TJD;   230 DOY;   18/08/18
GRB_TIME:        45018.55 SOD {12:30:18.55} UT
GRB_PHI:          -8.70 [deg]
GRB_THETA:        29.40 [deg]
SOLN_STATUS:     0x20000013
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    10.17 [sigma]
MERIT_PARAMS:     +1  +0  +0  +7  +1  +0  +0  +0 -68  +0 
SUN_POSTN:       147.79d {+09h 51m 10s}  +13.01d {+13d 00' 36"}
SUN_DIST:         46.22 [deg]   Sun_angle= 2.9 [hr] (West of Sun)
MOON_POSTN:      236.92d {+15h 47m 40s}  -14.91d {-14d 54' 41"}
MOON_DIST:       131.82 [deg]
MOON_ILLUM:      52 [%]
GAL_COORDS:      177.24, 17.79 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      101.44, 16.45 [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:        This is a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 327.42,20.48 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(81.0<100sec) coincident with the FERMI_GBM event (trignum=556288142).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 18 Aug 18 13:01:44 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     853882,   Seg_Num: 0
GRB_RA:          104.235d {+06h 56m 56s} (J2000),
                 104.556d {+06h 58m 13s} (current),
                 103.373d {+06h 53m 29s} (1950)
GRB_DEC:         +39.329d {+39d 19' 43"} (J2000),
                 +39.303d {+39d 18' 10"} (current),
                 +39.395d {+39d 23' 42"} (1950)
GRB_DATE:        18348 TJD;   230 DOY;   18/08/18
GRB_TIME:        45018.55 SOD {12:30:18.55} UT
TRIGGER_INDEX:   20000
GRB_PHI:          -8.70 [deg]
GRB_THETA:        29.40 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     128.000 [sec] 
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    10.17 [sigma]
LC_URL:          sw00853882000msb.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 Aug 18 09:02:03 EDT 2018