TDRSS lightcurve for Trigger=873433

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 25 Nov 18 08:54:59 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     873433,   Seg_Num: 0
GRB_RA:          268.413d {+17h 53m 39s} (J2000),
                 268.660d {+17h 54m 38s} (current),
                 267.760d {+17h 51m 02s} (1950)
GRB_DEC:          -2.613d {-02d 36' 47"} (J2000),
                  -2.616d {-02d 36' 56"} (current),
                  -2.604d {-02d 36' 13"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       2455 [cnts]    Image_Peak=150 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   146     E_range: 25-100 keV
BKG_INTEN:       14730 [cnts]
BKG_TIME:        32066.02 SOD {08:54:26.02} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18447 TJD;   329 DOY;   18/11/25
GRB_TIME:        32079.91 SOD {08:54:39.91} UT
GRB_PHI:         -63.04 [deg]
GRB_THETA:        23.91 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     12.28 [sigma]
IMAGE_SIGNIF:    8.18 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  -2 -100  +0 -84  +0 
SUN_POSTN:       240.99d {+16h 03m 58s}  -20.76d {-20d 45' 41"}
SUN_DIST:         32.49 [deg]   Sun_angle= -1.8 [hr] (East of Sun)
MOON_POSTN:       91.22d {+06h 04m 54s}  +21.02d {+21d 01' 26"}
MOON_DIST:       161.42 [deg]
MOON_ILLUM:      94 [%]
GAL_COORDS:       23.87, 11.60 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      268.30, 20.82 [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 = 79.97,-14.49 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(2.0<100sec) coincident with the FERMI_GBM event (trignum=564828886).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 25 Nov 18 09:12:12 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     873433,   Seg_Num: 0
GRB_RA:          268.413d {+17h 53m 39s} (J2000),
                 268.660d {+17h 54m 38s} (current),
                 267.760d {+17h 51m 02s} (1950)
GRB_DEC:          -2.613d {-02d 36' 47"} (J2000),
                  -2.616d {-02d 36' 56"} (current),
                  -2.604d {-02d 36' 13"} (1950)
GRB_DATE:        18447 TJD;   329 DOY;   18/11/25
GRB_TIME:        32079.91 SOD {08:54:39.91} UT
TRIGGER_INDEX:   146
GRB_PHI:         -63.04 [deg]
GRB_THETA:        23.91 [deg]
DELTA_TIME:      52.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     12.28 [sigma]
IMAGE_SIGNIF:    8.18 [sigma]
LC_URL:          sw00873433000msb.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:
Sun Nov 25 04:12:42 EST 2018