TDRSS lightcurve for Trigger=556753

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 27 May 13 14:21:53 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     556753,   Seg_Num: 0
GRB_RA:          309.279d {+20h 37m 07s} (J2000),
                 309.477d {+20h 37m 54s} (current),
                 308.538d {+20h 34m 09s} (1950)
GRB_DEC:         -24.728d {-24d 43' 39"} (J2000),
                 -24.680d {-24d 40' 49"} (current),
                 -24.903d {-24d 54' 09"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       16007 [cnts]    Image_Peak=444 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   155     E_range: 50-350 keV
BKG_INTEN:       17295 [cnts]
BKG_TIME:        51677.39 SOD {14:21:17.39} UT
BKG_DUR:         8 [sec]
GRB_DATE:        16439 TJD;   147 DOY;   13/05/27
GRB_TIME:        51690.19 SOD {14:21:30.19} UT
GRB_PHI:         155.84 [deg]
GRB_THETA:        48.75 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     255.99 [sigma]
IMAGE_SIGNIF:    13.89 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +3  +3  +0  +0 +51  +0 
SUN_POSTN:        64.60d {+04h 18m 24s}  +21.38d {+21d 23' 06"}
SUN_DIST:        120.76 [deg]   Sun_angle= 7.7 [hr] (West of Sun)
MOON_POSTN:      281.18d {+18h 44m 43s}  -18.88d {-18d 52' 39"}
MOON_DIST:        26.86 [deg]
MOON_ILLUM:      91 [%]
GAL_COORDS:       19.92,-33.40 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      305.32, -5.98 [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 = 184.85,-20.31 [deg].  

GCN BAT Lightcurve Notice

     TITLE:           GCN/SWIFT NOTICE
     NOTICE_DATE:     Mon 27 May 13 14:25:27 UT
     NOTICE_TYPE:     Swift-BAT GRB Lightcurve
     TRIGGER_NUM:     556753,   Seg_Num: 0
     GRB_RA:          309.279d {+20h 37m 07s} (J2000),
                    309.477d {+20h 37m 54s} (current),
                    308.538d {+20h 34m 09s} (1950)
     GRB_DEC:         -24.728d {-24d 43' 39"} (J2000),
                    -24.680d {-24d 40' 49"} (current),
                    -24.903d {-24d 54' 09"} (1950)
     GRB_DATE:        16439 TJD;   147 DOY;   13/05/27
     GRB_TIME:        51690.19 SOD {14:21:30.19} UT
     TRIGGER_INDEX:   155
     GRB_PHI:         155.84 [deg]
     GRB_THETA:        48.75 [deg]
     DELTA_TIME:      0.00 [sec]
     TRIGGER_DUR:     1.024 [sec]
     SOLN_STATUS:     0x3
     RATE_SIGNIF:     255.99 [sigma]
     IMAGE_SIGNIF:    13.89 [sigma]
     LC_URL:          sw00556753000msb.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 Aug 12 15:18:35 EDT 2013