TDRSS lightcurve for Trigger=867252

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 16 Oct 18 00:58:56 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     867252,   Seg_Num: 0
GRB_RA:          231.268d {+15h 25m 04s} (J2000),
                 231.567d {+15h 26m 16s} (current),
                 230.475d {+15h 21m 54s} (1950)
GRB_DEC:         -35.279d {-35d 16' 43"} (J2000),
                 -35.344d {-35d 20' 38"} (current),
                 -35.103d {-35d 06' 11"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       38189 [cnts]    Image_Peak=585 [image_cnts]
TRIGGER_DUR:     16.384 [sec] 
TRIGGER_INDEX:   479     E_range: 25-100 keV
BKG_INTEN:       138173 [cnts]
BKG_TIME:        3202.23 SOD {00:53:22.23} UT
BKG_DUR:         64 [sec]
GRB_DATE:        18407 TJD;   289 DOY;   18/10/16
GRB_TIME:        3300.92 SOD {00:55:00.92} UT
GRB_PHI:         -44.10 [deg]
GRB_THETA:        34.66 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     7.28 [sigma]
IMAGE_SIGNIF:    8.57 [sigma]
MERIT_PARAMS:     +1  +0  +0  +4  +2  -1 -100  +0 -78  +0 
SUN_POSTN:       200.92d {+13h 23m 41s}   -8.80d {-08d 47' 56"}
SUN_DIST:         38.55 [deg]   Sun_angle= -2.0 [hr] (East of Sun)
MOON_POSTN:      286.14d {+19h 04m 33s}  -21.12d {-21d 07' 01"}
MOON_DIST:        49.50 [deg]
MOON_ILLUM:      43 [%]
GAL_COORDS:      335.12, 17.82 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      237.89,-16.06 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This Notice was delayed by more than 60 sec past the end of the trigger integration interval;  
COMMENTS:        probably due to it occurring during a Malindi downlink session.  
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 = 75.59,15.15 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 16 Oct 18 01:12:14 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     867252,   Seg_Num: 0
GRB_RA:          231.268d {+15h 25m 04s} (J2000),
                 231.567d {+15h 26m 16s} (current),
                 230.475d {+15h 21m 54s} (1950)
GRB_DEC:         -35.279d {-35d 16' 43"} (J2000),
                 -35.344d {-35d 20' 38"} (current),
                 -35.103d {-35d 06' 11"} (1950)
GRB_DATE:        18407 TJD;   289 DOY;   18/10/16
GRB_TIME:        3300.92 SOD {00:55:00.92} UT
TRIGGER_INDEX:   479
GRB_PHI:         -44.10 [deg]
GRB_THETA:        34.66 [deg]
DELTA_TIME:      52.00 [sec]
TRIGGER_DUR:     16.384 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     7.28 [sigma]
IMAGE_SIGNIF:    8.57 [sigma]
LC_URL:          sw00867252000msb.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 Oct 15 21:12:42 EDT 2018