TDRSS lightcurve for Trigger=873178

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 23 Nov 18 04:20:37 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     873178,   Seg_Num: 0
GRB_RA:          284.651d {+18h 58m 36s} (J2000),
                 284.907d {+18h 59m 38s} (current),
                 283.971d {+18h 55m 53s} (1950)
GRB_DEC:          -8.237d {-08d 14' 13"} (J2000),
                  -8.210d {-08d 12' 36"} (current),
                  -8.306d {-08d 18' 21"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1153 [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:        18445 TJD;   327 DOY;   18/11/23
GRB_TIME:        15562.03 SOD {04:19:22.03} UT
GRB_PHI:         -21.63 [deg]
GRB_THETA:         9.68 [deg]
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.73 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  -2  +0  +1 -69  +0 
SUN_POSTN:       238.67d {+15h 54m 41s}  -20.32d {-20d 19' 08"}
SUN_DIST:         46.24 [deg]   Sun_angle= -3.1 [hr] (East of Sun)
MOON_POSTN:       58.73d {+03h 54m 55s}  +15.88d {+15d 52' 42"}
MOON_DIST:       134.29 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:       26.39, -5.33 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      284.98, 14.44 [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 = 156.53,-11.87 [deg].  

GCN BAT Lightcurve Notice

   TITLE:           GCN/SWIFT NOTICE
   NOTICE_DATE:     Fri 23 Nov 18 04:23:51 UT
   NOTICE_TYPE:     Swift-BAT GRB Lightcurve
   TRIGGER_NUM:     873178,   Seg_Num: 0
   GRB_RA:          284.651d {+18h 58m 36s} (J2000),
                   284.907d {+18h 59m 38s} (current),
                   283.971d {+18h 55m 53s} (1950)
   GRB_DEC:          -8.237d {-08d 14' 13"} (J2000),
                    -8.210d {-08d 12' 36"} (current),
                    -8.306d {-08d 18' 21"} (1950)
   GRB_DATE:        18445 TJD;   327 DOY;   18/11/23
   GRB_TIME:        15562.03 SOD {04:19:22.03} UT
   TRIGGER_INDEX:   20000
   GRB_PHI:         -21.63 [deg]
   GRB_THETA:         9.68 [deg]
   DELTA_TIME:      0.00 [sec]
   TRIGGER_DUR:     64.000 [sec]
   SOLN_STATUS:     0x13
   RATE_SIGNIF:     0.00 [sigma]
   IMAGE_SIGNIF:    7.73 [sigma]
   LC_URL:          sw00873178000msb.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 Nov 24 14:38:44 EST 2018