TDRSS lightcurve for Trigger=683383

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 19 Apr 16 15:16:56 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     683383,   Seg_Num: 0
GRB_RA:           16.424d {+01h 05m 42s} (J2000),
                  16.620d {+01h 06m 29s} (current),
                  15.824d {+01h 03m 18s} (1950)
GRB_DEC:         -27.343d {-27d 20' 32"} (J2000),
                 -27.256d {-27d 15' 19"} (current),
                 -27.610d {-27d 36' 35"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       5794 [cnts]    Image_Peak=418 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   148     E_range: 25-100 keV
BKG_INTEN:       24720 [cnts]
BKG_TIME:        54983.85 SOD {15:16:23.85} UT
BKG_DUR:         8 [sec]
GRB_DATE:        17497 TJD;   110 DOY;   16/04/19
GRB_TIME:        54997.41 SOD {15:16:37.41} UT
GRB_PHI:         -144.59 [deg]
GRB_THETA:        48.69 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     48.07 [sigma]
IMAGE_SIGNIF:    16.19 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  +4 -100  +0 -76  +0 
SUN_POSTN:        27.91d {+01h 51m 37s}  +11.47d {+11d 28' 07"}
SUN_DIST:         40.24 [deg]   Sun_angle= 0.8 [hr] (West of Sun)
MOON_POSTN:      182.03d {+12h 08m 06s}   +0.14d {+00d 08' 39"}
MOON_DIST:       149.48 [deg]
MOON_ILLUM:      94 [%]
GAL_COORDS:      217.61,-86.82 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:        3.21,-31.42 [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 = 359.76,-14.32 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(2.0<100sec) coincident with the FERMI_GBM event (trignum=482771799).  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 19 Apr 16 15:33:20 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     683383,   Seg_Num: 0
GRB_RA:           16.424d {+01h 05m 42s} (J2000),
                  16.620d {+01h 06m 29s} (current),
                  15.824d {+01h 03m 18s} (1950)
GRB_DEC:         -27.343d {-27d 20' 32"} (J2000),
                 -27.256d {-27d 15' 19"} (current),
                 -27.610d {-27d 36' 35"} (1950)
GRB_DATE:        17497 TJD;   110 DOY;   16/04/19
GRB_TIME:        54997.41 SOD {15:16:37.41} UT
TRIGGER_INDEX:   148
GRB_PHI:         -144.59 [deg]
GRB_THETA:        48.69 [deg]
DELTA_TIME:      -76.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     48.07 [sigma]
IMAGE_SIGNIF:    16.19 [sigma]
LC_URL:          sw00683383000msb.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:
Tue Apr 19 11:33:42 EDT 2016