TDRSS lightcurve for Trigger=552376

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 17:13:56 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     552376,   Seg_Num: 0
GRB_RA:          299.998d {+19h 59m 59s} (J2000),
                 300.122d {+20h 00m 29s} (current),
                 299.528d {+19h 58m 07s} (1950)
GRB_DEC:         +35.309d {+35d 18' 33"} (J2000),
                 +35.346d {+35d 20' 46"} (current),
                 +35.171d {+35d 10' 15"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1390 [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:        61957.61 SOD {17:12:37.61} UT
GRB_PHI:         -157.01 [deg]
GRB_THETA:        26.20 [deg]
SOLN_STATUS:     0x413
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.28 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  -3  +0  +1 -32  +0 
SUN_POSTN:         9.34d {+00h 37m 22s}   +4.02d {+04d 01' 27"}
SUN_DIST:         70.77 [deg]   Sun_angle= 4.6 [hr] (West of Sun)
MOON_POSTN:      231.69d {+15h 26m 47s}  -18.27d {-18d 16' 11"}
MOON_DIST:        84.06 [deg]
MOON_ILLUM:      86 [%]
GAL_COORDS:       71.60,  2.84 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      314.27, 54.23 [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 = 241.96,-20.15 [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 17:20:18 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     552376,   Seg_Num: 0
GRB_RA:          299.998d {+19h 59m 59s} (J2000),
                 300.122d {+20h 00m 29s} (current),
                 299.528d {+19h 58m 07s} (1950)
GRB_DEC:         +35.309d {+35d 18' 33"} (J2000),
                 +35.346d {+35d 20' 46"} (current),
                 +35.171d {+35d 10' 15"} (1950)
GRB_DATE:        16381 TJD;    89 DOY;   13/03/30
GRB_TIME:        61957.61 SOD {17:12:37.61} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -157.01 [deg]
GRB_THETA:        26.20 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x413
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.28 [sigma]
LC_URL:          sw00552376000msb.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

Plot creation:
Sat Mar 30 13:20:50 EDT 2013