TDRSS lightcurve for Trigger=859421

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 05 Sep 18 13:59:00 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     859421,   Seg_Num: 0
GRB_RA:           91.035d {+06h 04m 08s} (J2000),
                  91.266d {+06h 05m 04s} (current),
                  90.417d {+06h 01m 40s} (1950)
GRB_DEC:          -4.591d {-04d 35' 27"} (J2000),
                  -4.593d {-04d 35' 35"} (current),
                  -4.588d {-04d 35' 15"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1573 [image_cnts]
TRIGGER_DUR:     64.000 [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:        18366 TJD;   248 DOY;   18/09/05
GRB_TIME:        50266.45 SOD {13:57:46.45} UT
GRB_PHI:         162.21 [deg]
GRB_THETA:        42.86 [deg]
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    10.32 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  +0  +0  +0 -27  +0 
SUN_POSTN:       164.30d {+10h 57m 11s}   +6.69d {+06d 41' 30"}
SUN_DIST:         73.76 [deg]   Sun_angle= 4.9 [hr] (West of Sun)
MOON_POSTN:      106.56d {+07h 06m 13s}  +20.93d {+20d 55' 36"}
MOON_DIST:        29.60 [deg]
MOON_ILLUM:      23 [%]
GAL_COORDS:      211.65,-12.61 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       91.17,-28.03 [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 = 263.24,-6.55 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 05 Sep 18 14:15:13 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     859421,   Seg_Num: 0
GRB_RA:           91.035d {+06h 04m 08s} (J2000),
                  91.266d {+06h 05m 04s} (current),
                  90.417d {+06h 01m 40s} (1950)
GRB_DEC:          -4.591d {-04d 35' 27"} (J2000),
                  -4.593d {-04d 35' 35"} (current),
                  -4.588d {-04d 35' 15"} (1950)
GRB_DATE:        18366 TJD;   248 DOY;   18/09/05
GRB_TIME:        50266.45 SOD {13:57:46.45} UT
TRIGGER_INDEX:   20000
GRB_PHI:         162.21 [deg]
GRB_THETA:        42.86 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    10.32 [sigma]
LC_URL:          sw00859421000msb.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 Sep  5 10:15:43 EDT 2018