TDRSS lightcurve for Trigger=855434

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 23 Aug 18 19:05:10 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     855434,   Seg_Num: 0
GRB_RA:          210.349d {+14h 01m 24s} (J2000),
                 210.574d {+14h 02m 18s} (current),
                 209.746d {+13h 58m 59s} (1950)
GRB_DEC:         +14.884d {+14d 53' 03"} (J2000),
                 +14.795d {+14d 47' 41"} (current),
                 +15.125d {+15d 07' 31"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       15854 [cnts]    Image_Peak=444 [image_cnts]
TRIGGER_DUR:     2.048 [sec] 
TRIGGER_INDEX:   262     E_range: 25-100 keV
BKG_INTEN:       174093 [cnts]
BKG_TIME:        68642.52 SOD {19:04:02.52} UT
BKG_DUR:         24 [sec]
GRB_DATE:        18353 TJD;   235 DOY;   18/08/23
GRB_TIME:        68672.98 SOD {19:04:32.98} UT
GRB_PHI:         -24.35 [deg]
GRB_THETA:        25.02 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     11.74 [sigma]
IMAGE_SIGNIF:    8.89 [sigma]
MERIT_PARAMS:     +1  +0  +0  +1  +2  -1  +0  +0 -55  +0 
SUN_POSTN:       152.66d {+10h 10m 40s}  +11.26d {+11d 15' 28"}
SUN_DIST:         56.38 [deg]   Sun_angle= -3.9 [hr] (East of Sun)
MOON_POSTN:      303.27d {+20h 13m 04s}  -19.41d {-19d 24' 48"}
MOON_DIST:        97.34 [deg]
MOON_ILLUM:      94 [%]
GAL_COORDS:      359.51, 69.63 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      202.52, 25.46 [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 = 4.44,-20.50 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 23 Aug 18 19:27:57 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     855434,   Seg_Num: 0
GRB_RA:          210.349d {+14h 01m 24s} (J2000),
                 210.574d {+14h 02m 18s} (current),
                 209.746d {+13h 58m 59s} (1950)
GRB_DEC:         +14.884d {+14d 53' 03"} (J2000),
                 +14.795d {+14d 47' 41"} (current),
                 +15.125d {+15d 07' 31"} (1950)
GRB_DATE:        18353 TJD;   235 DOY;   18/08/23
GRB_TIME:        68672.98 SOD {19:04:32.98} UT
TRIGGER_INDEX:   262
GRB_PHI:         -24.35 [deg]
GRB_THETA:        25.02 [deg]
DELTA_TIME:      -5.00 [sec]
TRIGGER_DUR:     2.048 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     11.74 [sigma]
IMAGE_SIGNIF:    8.89 [sigma]
LC_URL:          sw00855434000msb.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

Plot creation:
Thu Aug 23 15:29:04 EDT 2018