TDRSS lightcurve for Trigger=851829

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 05 Aug 18 09:05:53 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     851829,   Seg_Num: 0
GRB_RA:          167.530d {+11h 10m 07s} (J2000),
                 167.746d {+11h 10m 59s} (current),
                 166.951d {+11h 07m 48s} (1950)
GRB_DEC:         -45.331d {-45d 19' 50"} (J2000),
                 -45.432d {-45d 25' 54"} (current),
                 -45.059d {-45d 03' 32"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       3639 [cnts]    Image_Peak=154 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   439     E_range: 15-50 keV
BKG_INTEN:       23560 [cnts]
BKG_TIME:        32674.62 SOD {09:04:34.62} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18335 TJD;   217 DOY;   18/08/05
GRB_TIME:        32689.02 SOD {09:04:49.02} UT
GRB_PHI:         102.48 [deg]
GRB_THETA:        21.59 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     11.83 [sigma]
IMAGE_SIGNIF:    7.46 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +1  -2  +0  +0 -36  +0 
SUN_POSTN:       135.38d {+09h 01m 31s}  +16.94d {+16d 56' 06"}
SUN_DIST:         68.93 [deg]   Sun_angle= -2.2 [hr] (East of Sun)
MOON_POSTN:       49.44d {+03h 17m 47s}  +12.95d {+12d 56' 50"}
MOON_DIST:       118.94 [deg]
MOON_ILLUM:      44 [%]
GAL_COORDS:      284.88, 13.96 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      191.82,-45.47 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This Notice was delayed by more than 60 sec past the end of the trigger integration interval;  
COMMENTS:        probably due to it occurring during a Malindi downlink session.  
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 = 11.28,-7.39 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 05 Aug 18 09:24:47 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     851829,   Seg_Num: 0
GRB_RA:          167.530d {+11h 10m 07s} (J2000),
                 167.746d {+11h 10m 59s} (current),
                 166.951d {+11h 07m 48s} (1950)
GRB_DEC:         -45.331d {-45d 19' 50"} (J2000),
                 -45.432d {-45d 25' 54"} (current),
                 -45.059d {-45d 03' 32"} (1950)
GRB_DATE:        18335 TJD;   217 DOY;   18/08/05
GRB_TIME:        32689.02 SOD {09:04:49.02} UT
TRIGGER_INDEX:   439
GRB_PHI:         102.48 [deg]
GRB_THETA:        21.59 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     11.83 [sigma]
IMAGE_SIGNIF:    7.46 [sigma]
LC_URL:          sw00851829000msb.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 Aug  5 05:25:02 EDT 2018