TDRSS lightcurve for Trigger=554996

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 02 May 13 17:53:59 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     554996,   Seg_Num: 0
GRB_RA:          138.578d {+09h 14m 19s} (J2000),
                 138.748d {+09h 15m 00s} (current),
                 137.937d {+09h 11m 45s} (1950)
GRB_DEC:          -0.143d {-00d 08' 35"} (J2000),
                  -0.199d {-00d 11' 55"} (current),
                  +0.065d {+00d 03' 52"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       391 [cnts]    Image_Peak=49 [image_cnts]
TRIGGER_DUR:     0.064 [sec] 
TRIGGER_INDEX:   10418     E_range: 25-100 keV
BKG_INTEN:       25581 [cnts]
BKG_TIME:        64221.49 SOD {17:50:21.49} UT
BKG_DUR:         8 [sec]
GRB_DATE:        16414 TJD;   122 DOY;   13/05/02
GRB_TIME:        64230.45 SOD {17:50:30.45} UT
GRB_PHI:         -171.56 [deg]
GRB_THETA:        43.27 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     13.07 [sigma]
IMAGE_SIGNIF:    7.75 [sigma]
MERIT_PARAMS:     +1  +0  +0  -4  +2  -2  +0  +0 +14  +0 
SUN_POSTN:        40.04d {+02h 40m 09s}  +15.58d {+15d 34' 59"}
SUN_DIST:         98.44 [deg]   Sun_angle= -6.6 [hr] (East of Sun)
MOON_POSTN:      316.80d {+21h 07m 12s}  -10.98d {-10d 58' 50"}
MOON_DIST:       168.65 [deg]
MOON_ILLUM:      47 [%]
GAL_COORDS:      231.23, 31.23 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      141.06,-15.39 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This Notice was delayed by more than 60 sec past the end of the trigger integration interval;  
COMMENTS:        probably due to it occurring during a Malindi downlink session.  
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 = 12.77,-13.50 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 02 May 13 18:08:42 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     554996,   Seg_Num: 0
GRB_RA:          138.578d {+09h 14m 19s} (J2000),
                 138.748d {+09h 15m 00s} (current),
                 137.937d {+09h 11m 45s} (1950)
GRB_DEC:          -0.143d {-00d 08' 35"} (J2000),
                  -0.199d {-00d 11' 55"} (current),
                  +0.065d {+00d 03' 52"} (1950)
GRB_DATE:        16414 TJD;   122 DOY;   13/05/02
GRB_TIME:        64230.64 SOD {17:50:30.64} UT
TRIGGER_INDEX:   10418
GRB_PHI:         -171.56 [deg]
GRB_THETA:        43.27 [deg]
DELTA_TIME:      44.00 [sec]
TRIGGER_DUR:     0.064 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     13.07 [sigma]
IMAGE_SIGNIF:    7.75 [sigma]
LC_URL:          sw00554996000msb.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

Plot creation:
Thu May  2 14:09:26 EDT 2013