TDRSS lightcurve for Trigger=852903

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 12 Aug 18 08:23:03 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     852903,   Seg_Num: 0
GRB_RA:          245.886d {+16h 23m 33s} (J2000),
                 245.780d {+16h 23m 07s} (current),
                 246.177d {+16h 24m 42s} (1950)
GRB_DEC:         +74.670d {+74d 40' 11"} (J2000),
                 +74.627d {+74d 37' 38"} (current),
                 +74.783d {+74d 46' 58"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       6160 [cnts]    Image_Peak=173 [image_cnts]
TRIGGER_DUR:     2.048 [sec] 
TRIGGER_INDEX:   263     E_range: 25-100 keV
BKG_INTEN:       62765 [cnts]
BKG_TIME:        30114.58 SOD {08:21:54.58} UT
BKG_DUR:         24 [sec]
GRB_DATE:        18342 TJD;   224 DOY;   18/08/12
GRB_TIME:        30150.23 SOD {08:22:30.23} UT
GRB_PHI:         139.05 [deg]
GRB_THETA:        38.36 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     11.22 [sigma]
IMAGE_SIGNIF:    7.57 [sigma]
MERIT_PARAMS:     +1  +0  +0  +1  +2  -2  +0  +0 -18  +0 
SUN_POSTN:       142.01d {+09h 28m 03s}  +14.94d {+14d 56' 22"}
SUN_DIST:         79.19 [deg]   Sun_angle= -6.9 [hr] (East of Sun)
MOON_POSTN:      155.49d {+10h 21m 57s}  +12.71d {+12d 42' 53"}
MOON_DIST:        77.82 [deg]
MOON_ILLUM:      1 [%]
GAL_COORDS:      107.89, 35.54 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      123.66, 78.76 [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 = 50.07,19.16 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(0.0<100sec) coincident with the FERMI_GBM event (trignum=555754955).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 12 Aug 18 08:39:15 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     852903,   Seg_Num: 0
GRB_RA:          245.886d {+16h 23m 33s} (J2000),
                 245.780d {+16h 23m 07s} (current),
                 246.177d {+16h 24m 42s} (1950)
GRB_DEC:         +74.670d {+74d 40' 11"} (J2000),
                 +74.627d {+74d 37' 38"} (current),
                 +74.783d {+74d 46' 58"} (1950)
GRB_DATE:        18342 TJD;   224 DOY;   18/08/12
GRB_TIME:        30150.23 SOD {08:22:30.23} UT
TRIGGER_INDEX:   263
GRB_PHI:         139.05 [deg]
GRB_THETA:        38.36 [deg]
DELTA_TIME:      -43.00 [sec]
TRIGGER_DUR:     2.048 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     11.22 [sigma]
IMAGE_SIGNIF:    7.57 [sigma]
LC_URL:          sw00852903000msb.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 12 04:39:43 EDT 2018