TDRSS lightcurve for Trigger=552380

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 30 Mar 13 17:38:18 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     552380,   Seg_Num: 0
GRB_RA:           83.588d {+05h 34m 21s} (J2000),
                  83.787d {+05h 35m 09s} (current),
                  82.839d {+05h 31m 21s} (1950)
GRB_DEC:         +21.464d {+21d 27' 49"} (J2000),
                 +21.472d {+21d 28' 19"} (current),
                 +21.431d {+21d 25' 51"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1820 [image_cnts]
TRIGGER_DUR:     64.000 [sec] 
TRIGGER_INDEX:   20000     E_range: 15-50 keV
BKG_INTEN:       0 [cnts]
BKG_TIME:        0.00 SOD {00:00:00.00} UT
BKG_DUR:         0 [sec]
GRB_DATE:        16381 TJD;    89 DOY;   13/03/30
GRB_TIME:        63421.61 SOD {17:37:01.61} UT
GRB_PHI:          47.71 [deg]
GRB_THETA:        34.30 [deg]
SOLN_STATUS:     0x413
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    10.88 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  +0  +0  +1 -27  +0 
SUN_POSTN:         9.36d {+00h 37m 26s}   +4.03d {+04d 01' 51"}
SUN_DIST:         74.04 [deg]   Sun_angle= -5.0 [hr] (East of Sun)
MOON_POSTN:      231.95d {+15h 27m 47s}  -18.31d {-18d 18' 28"}
MOON_DIST:       149.94 [deg]
MOON_ILLUM:      86 [%]
GAL_COORDS:      185.00, -6.11 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       84.03, -1.84 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This is an image trigger.  (The RATE_SIGNIF & BKG_{INTEN, TIME, DUR} are undefined.)  
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 = 325.24,4.46 [deg].  
COMMENTS:           
COMMENTS:        This trigger occured while the StarTracker had lost lock, so it is possibly bogus.  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 30 Mar 13 17:41:03 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     552380,   Seg_Num: 0
GRB_RA:           83.588d {+05h 34m 21s} (J2000),
                  83.787d {+05h 35m 09s} (current),
                  82.839d {+05h 31m 21s} (1950)
GRB_DEC:         +21.464d {+21d 27' 49"} (J2000),
                 +21.472d {+21d 28' 19"} (current),
                 +21.431d {+21d 25' 51"} (1950)
GRB_DATE:        16381 TJD;    89 DOY;   13/03/30
GRB_TIME:        63421.61 SOD {17:37:01.61} UT
TRIGGER_INDEX:   20000
GRB_PHI:          47.71 [deg]
GRB_THETA:        34.30 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x413
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    10.88 [sigma]
LC_URL:          sw00552380000msb.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

Plot creation:
Sat Mar 30 13:42:45 EDT 2013