TDRSS lightcurve for Trigger=869494

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 30 Oct 18 01:28:41 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     869494,   Seg_Num: 0
GRB_RA:          146.922d {+09h 47m 41s} (J2000),
                 147.178d {+09h 48m 43s} (current),
                 146.241d {+09h 44m 58s} (1950)
GRB_DEC:         +14.658d {+14d 39' 28"} (J2000),
                 +14.570d {+14d 34' 12"} (current),
                 +14.890d {+14d 53' 25"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=3135 [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:        18421 TJD;   303 DOY;   18/10/30
GRB_TIME:        5242.16 SOD {01:27:22.16} UT
GRB_PHI:          -6.49 [deg]
GRB_THETA:        35.76 [deg]
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    17.58 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  +5  +0  +0 -30  +0 
SUN_POSTN:       214.25d {+14h 16m 59s}  -13.71d {-13d 42' 33"}
SUN_DIST:         72.14 [deg]   Sun_angle= 4.5 [hr] (West of Sun)
MOON_POSTN:      106.27d {+07h 05m 06s}  +21.20d {+21d 11' 52"}
MOON_DIST:        39.38 [deg]
MOON_ILLUM:      68 [%]
GAL_COORDS:      219.63, 45.58 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      144.18,  1.27 [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 = 157.18,-7.51 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 30 Oct 18 01:44:11 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     869494,   Seg_Num: 0
GRB_RA:          146.922d {+09h 47m 41s} (J2000),
                 147.178d {+09h 48m 43s} (current),
                 146.241d {+09h 44m 58s} (1950)
GRB_DEC:         +14.658d {+14d 39' 28"} (J2000),
                 +14.570d {+14d 34' 12"} (current),
                 +14.890d {+14d 53' 25"} (1950)
GRB_DATE:        18421 TJD;   303 DOY;   18/10/30
GRB_TIME:        5242.16 SOD {01:27:22.16} UT
TRIGGER_INDEX:   20000
GRB_PHI:          -6.49 [deg]
GRB_THETA:        35.76 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    17.58 [sigma]
LC_URL:          sw00869494000msb.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 29 21:44:43 EDT 2018