TDRSS lightcurve for Trigger=848890

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 20 Jul 18 14:22:02 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     848890,   Seg_Num: 0
GRB_RA:            0.530d {+00h 02m 07s} (J2000),
                   0.767d {+00h 03m 04s} (current),
                 359.889d {+23h 59m 33s} (1950)
GRB_DEC:          -2.933d {-02d 56' 00"} (J2000),
                  -2.830d {-02d 49' 47"} (current),
                  -3.212d {-03d 12' 41"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       9730 [cnts]    Image_Peak=304 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   155     E_range: 50-350 keV
BKG_INTEN:       19469 [cnts]
BKG_TIME:        51690.70 SOD {14:21:30.70} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18319 TJD;   201 DOY;   18/07/20
GRB_TIME:        51704.59 SOD {14:21:44.59} UT
GRB_PHI:          47.05 [deg]
GRB_THETA:        45.17 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     135.97 [sigma]
IMAGE_SIGNIF:    12.41 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +3  +2  +0  +0 +47  +0 
SUN_POSTN:       119.92d {+07h 59m 40s}  +20.59d {+20d 35' 34"}
SUN_DIST:        118.21 [deg]   Sun_angle= 7.9 [hr] (West of Sun)
MOON_POSTN:      216.66d {+14h 26m 37s}   -8.89d {-08d 53' 17"}
MOON_DIST:       142.36 [deg]
MOON_ILLUM:      58 [%]
GAL_COORDS:       94.83,-63.08 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      359.32, -2.90 [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 = 140.15,18.79 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(5.0<100sec) coincident with the FERMI_GBM event (trignum=553789304).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 20 Jul 18 14:38:35 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     848890,   Seg_Num: 0
GRB_RA:            0.530d {+00h 02m 07s} (J2000),
                   0.767d {+00h 03m 04s} (current),
                 359.889d {+23h 59m 33s} (1950)
GRB_DEC:          -2.933d {-02d 56' 00"} (J2000),
                  -2.830d {-02d 49' 47"} (current),
                  -3.212d {-03d 12' 41"} (1950)
GRB_DATE:        18319 TJD;   201 DOY;   18/07/20
GRB_TIME:        51704.59 SOD {14:21:44.59} UT
TRIGGER_INDEX:   155
GRB_PHI:          47.05 [deg]
GRB_THETA:        45.17 [deg]
DELTA_TIME:      52.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     135.97 [sigma]
IMAGE_SIGNIF:    12.41 [sigma]
LC_URL:          sw00848890000msb.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:
Fri Jul 20 10:39:03 EDT 2018