TDRSS lightcurve for Trigger=879909

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 28 Dec 18 02:53:37 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     879909,   Seg_Num: 0
GRB_RA:           49.831d {+03h 19m 19s} (J2000),
                  50.093d {+03h 20m 22s} (current),
                  49.141d {+03h 16m 34s} (1950)
GRB_DEC:         +13.195d {+13d 11' 42"} (J2000),
                 +13.263d {+13d 15' 46"} (current),
                 +13.014d {+13d 00' 51"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       5189 [cnts]    Image_Peak=443 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   147     E_range: 25-100 keV
BKG_INTEN:       21663 [cnts]
BKG_TIME:        10385.84 SOD {02:53:05.84} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18480 TJD;   362 DOY;   18/12/28
GRB_TIME:        10397.62 SOD {02:53:17.62} UT
GRB_PHI:         114.59 [deg]
GRB_THETA:        32.85 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     53.74 [sigma]
IMAGE_SIGNIF:    15.47 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  +4  +0  +0 +69  +0 
SUN_POSTN:       276.87d {+18h 27m 29s}  -23.29d {-23d 17' 08"}
SUN_DIST:        134.67 [deg]   Sun_angle= -8.9 [hr] (East of Sun)
MOON_POSTN:      172.05d {+11h 28m 13s}   +7.90d {+07d 54' 08"}
MOON_DIST:       118.60 [deg]
MOON_ILLUM:      64 [%]
GAL_COORDS:      169.32,-36.03 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       50.92, -4.96 [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 = 194.20,10.87 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(3.0<100sec) coincident with the FERMI_GBM event (trignum=567658399).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 28 Dec 18 03:14:05 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     879909,   Seg_Num: 0
GRB_RA:           49.831d {+03h 19m 19s} (J2000),
                  50.093d {+03h 20m 22s} (current),
                  49.141d {+03h 16m 34s} (1950)
GRB_DEC:         +13.195d {+13d 11' 42"} (J2000),
                 +13.263d {+13d 15' 46"} (current),
                 +13.014d {+13d 00' 51"} (1950)
GRB_DATE:        18480 TJD;   362 DOY;   18/12/28
GRB_TIME:        10397.62 SOD {02:53:17.62} UT
TRIGGER_INDEX:   147
GRB_PHI:         114.59 [deg]
GRB_THETA:        32.85 [deg]
DELTA_TIME:      -56.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     53.74 [sigma]
IMAGE_SIGNIF:    15.47 [sigma]
LC_URL:          sw00879909000msb.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:
Thu Dec 27 22:14:23 EST 2018