TDRSS lightcurve for Trigger=843122

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 20 Jun 18 08:35:17 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     843122,   Seg_Num: 0
GRB_RA:          279.883d {+18h 39m 32s} (J2000),
                 280.076d {+18h 40m 18s} (current),
                 279.360d {+18h 37m 26s} (1950)
GRB_DEC:         +23.265d {+23d 15' 55"} (J2000),
                 +23.283d {+23d 16' 59"} (current),
                 +23.219d {+23d 13' 08"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       4387 [cnts]    Image_Peak=214 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   138     E_range: 15-50 keV
BKG_INTEN:       27892 [cnts]
BKG_TIME:        30882.86 SOD {08:34:42.86} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18289 TJD;   171 DOY;   18/06/20
GRB_TIME:        30898.03 SOD {08:34:58.03} UT
GRB_PHI:          49.20 [deg]
GRB_THETA:        31.26 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     15.29 [sigma]
IMAGE_SIGNIF:    9.35 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +1  +0  +0  +0 +67  +0 
SUN_POSTN:        88.90d {+05h 55m 35s}  +23.43d {+23d 25' 57"}
SUN_DIST:        132.04 [deg]   Sun_angle= 11.3 [hr] (West of Sun)
MOON_POSTN:      179.65d {+11h 58m 37s}   +4.52d {+04d 31' 07"}
MOON_DIST:        97.73 [deg]
MOON_ILLUM:      49 [%]
GAL_COORDS:       52.70, 12.86 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      283.18, 46.25 [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 = 136.36,20.60 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 20 Jun 18 08:53:59 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     843122,   Seg_Num: 0
GRB_RA:          279.883d {+18h 39m 32s} (J2000),
                 280.076d {+18h 40m 18s} (current),
                 279.360d {+18h 37m 26s} (1950)
GRB_DEC:         +23.265d {+23d 15' 55"} (J2000),
                 +23.283d {+23d 16' 59"} (current),
                 +23.219d {+23d 13' 08"} (1950)
GRB_DATE:        18289 TJD;   171 DOY;   18/06/20
GRB_TIME:        30898.03 SOD {08:34:58.03} UT
TRIGGER_INDEX:   138
GRB_PHI:          49.20 [deg]
GRB_THETA:        31.26 [deg]
DELTA_TIME:      -76.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     15.29 [sigma]
IMAGE_SIGNIF:    9.35 [sigma]
LC_URL:          sw00843122000msb.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:
Wed Jun 20 04:54:42 EDT 2018