TDRSS lightcurve for Trigger=817345

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 24 Mar 18 04:37:25 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     817345,   Seg_Num: 0
GRB_RA:           76.585d {+05h 06m 20s} (J2000),
                  76.969d {+05h 07m 52s} (current),
                  75.533d {+05h 02m 08s} (1950)
GRB_DEC:         +56.725d {+56d 43' 29"} (J2000),
                 +56.748d {+56d 44' 52"} (current),
                 +56.658d {+56d 39' 27"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       3665 [cnts]    Image_Peak=526 [image_cnts]
TRIGGER_DUR:     0.512 [sec] 
TRIGGER_INDEX:   124     E_range: 25-100 keV
BKG_INTEN:       17389 [cnts]
BKG_TIME:        16619.32 SOD {04:36:59.32} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18201 TJD;    83 DOY;   18/03/24
GRB_TIME:        16629.63 SOD {04:37:09.63} UT
GRB_PHI:         121.83 [deg]
GRB_THETA:        18.04 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     73.98 [sigma]
IMAGE_SIGNIF:    18.63 [sigma]
MERIT_PARAMS:     +1  +0  +0  -1  +2  +6  +0  +1 -17  +0 
SUN_POSTN:         3.21d {+00h 12m 50s}   +1.39d {+01d 23' 22"}
SUN_DIST:         80.00 [deg]   Sun_angle= -4.9 [hr] (East of Sun)
MOON_POSTN:       87.33d {+05h 49m 19s}  +19.70d {+19d 42' 17"}
MOON_DIST:        37.84 [deg]
MOON_ILLUM:      45 [%]
GAL_COORDS:      152.85,  9.50 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       81.20, 33.69 [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 = 111.01,9.01 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 24 Mar 18 04:58:02 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     817345,   Seg_Num: 0
GRB_RA:           76.585d {+05h 06m 20s} (J2000),
                  76.969d {+05h 07m 52s} (current),
                  75.533d {+05h 02m 08s} (1950)
GRB_DEC:         +56.725d {+56d 43' 29"} (J2000),
                 +56.748d {+56d 44' 52"} (current),
                 +56.658d {+56d 39' 27"} (1950)
GRB_DATE:        18201 TJD;    83 DOY;   18/03/24
GRB_TIME:        16629.63 SOD {04:37:09.63} UT
TRIGGER_INDEX:   124
GRB_PHI:         121.83 [deg]
GRB_THETA:        18.04 [deg]
DELTA_TIME:      -70.00 [sec]
TRIGGER_DUR:     0.512 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     73.98 [sigma]
IMAGE_SIGNIF:    18.63 [sigma]
LC_URL:          sw00817345000msb.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:
Sat Mar 24 00:58:44 EDT 2018