TDRSS lightcurve for Trigger=821103

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 02 Apr 18 09:45:14 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     821103,   Seg_Num: 0
GRB_RA:          251.905d {+16h 47m 37s} (J2000),
                 252.164d {+16h 48m 39s} (current),
                 251.194d {+16h 44m 47s} (1950)
GRB_DEC:         -14.963d {-14d 57' 48"} (J2000),
                 -14.995d {-14d 59' 40"} (current),
                 -14.875d {-14d 52' 30"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       2312 [cnts]    Image_Peak=143 [image_cnts]
TRIGGER_DUR:     0.256 [sec] 
TRIGGER_INDEX:   126     E_range: 50-350 keV
BKG_INTEN:       25924 [cnts]
BKG_TIME:        35083.27 SOD {09:44:43.27} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18210 TJD;    92 DOY;   18/04/02
GRB_TIME:        35099.27 SOD {09:44:59.27} UT
GRB_PHI:          58.40 [deg]
GRB_THETA:        31.95 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     50.50 [sigma]
IMAGE_SIGNIF:    9.19 [sigma]
MERIT_PARAMS:     +1  +0  +0  -2  +3  +0  +0  +1 +49  +0 
SUN_POSTN:        11.60d {+00h 46m 24s}   +4.98d {+04d 58' 50"}
SUN_DIST:        119.69 [deg]   Sun_angle= 8.0 [hr] (West of Sun)
MOON_POSTN:      215.34d {+14h 21m 22s}   -8.76d {-08d 45' 28"}
MOON_DIST:        36.52 [deg]
MOON_ILLUM:      96 [%]
GAL_COORDS:        4.08, 18.94 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      252.39,  7.38 [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 = 288.93,-2.30 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(0.0<100sec) coincident with the FERMI_GBM event (trignum=544355104).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 02 Apr 18 10:05:20 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     821103,   Seg_Num: 0
GRB_RA:          251.905d {+16h 47m 37s} (J2000),
                 252.164d {+16h 48m 39s} (current),
                 251.194d {+16h 44m 47s} (1950)
GRB_DEC:         -14.963d {-14d 57' 48"} (J2000),
                 -14.995d {-14d 59' 40"} (current),
                 -14.875d {-14d 52' 30"} (1950)
GRB_DATE:        18210 TJD;    92 DOY;   18/04/02
GRB_TIME:        35099.27 SOD {09:44:59.27} UT
TRIGGER_INDEX:   126
GRB_PHI:          58.40 [deg]
GRB_THETA:        31.95 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     0.256 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     50.50 [sigma]
IMAGE_SIGNIF:    9.19 [sigma]
LC_URL:          sw00821103000msb.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:
Mon Apr  2 06:05:44 EDT 2018