TDRSS lightcurve for Trigger=863186

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 24 Sep 18 15:23:01 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     863186,   Seg_Num: 0
GRB_RA:           49.161d {+03h 16m 39s} (J2000),
                  49.272d {+03h 17m 05s} (current),
                  48.865d {+03h 15m 28s} (1950)
GRB_DEC:         -58.505d {-58d 30' 19"} (J2000),
                 -58.437d {-58d 26' 14"} (current),
                 -58.688d {-58d 41' 16"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       11890 [cnts]    Image_Peak=305 [image_cnts]
TRIGGER_DUR:     4.096 [sec] 
TRIGGER_INDEX:   289     E_range: 15-50 keV
BKG_INTEN:       105139 [cnts]
BKG_TIME:        55282.35 SOD {15:21:22.35} UT
BKG_DUR:         40 [sec]
GRB_DATE:        18385 TJD;   267 DOY;   18/09/24
GRB_TIME:        55342.38 SOD {15:22:22.38} UT
GRB_PHI:         145.70 [deg]
GRB_THETA:         8.21 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     10.48 [sigma]
IMAGE_SIGNIF:    7.17 [sigma]
MERIT_PARAMS:     +1  +0  +0  +2  +1  -3  +0  +0 +34  +0 
SUN_POSTN:       181.41d {+12h 05m 38s}   -0.61d {-00d 36' 33"}
SUN_DIST:        110.00 [deg]   Sun_angle= 8.8 [hr] (West of Sun)
MOON_POSTN:      357.99d {+23h 51m 58s}   -5.13d {-05d 07' 54"}
MOON_DIST:        66.28 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:      274.32,-49.78 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:        3.92,-69.97 [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 = 216.57,-12.29 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 24 Sep 18 15:40:10 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     863186,   Seg_Num: 0
GRB_RA:           49.161d {+03h 16m 39s} (J2000),
                  49.272d {+03h 17m 05s} (current),
                  48.865d {+03h 15m 28s} (1950)
GRB_DEC:         -58.505d {-58d 30' 19"} (J2000),
                 -58.437d {-58d 26' 14"} (current),
                 -58.688d {-58d 41' 16"} (1950)
GRB_DATE:        18385 TJD;   267 DOY;   18/09/24
GRB_TIME:        55342.38 SOD {15:22:22.38} UT
TRIGGER_INDEX:   289
GRB_PHI:         145.70 [deg]
GRB_THETA:         8.21 [deg]
DELTA_TIME:      76.00 [sec]
TRIGGER_DUR:     4.096 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     10.48 [sigma]
IMAGE_SIGNIF:    7.17 [sigma]
LC_URL:          sw00863186000msb.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:
Mon Sep 24 11:40:23 EDT 2018