TDRSS lightcurve for Trigger=553132

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 08 Apr 13 21:57:54 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     553132,   Seg_Num: 0
GRB_RA:          134.401d {+08h 57m 36s} (J2000),
                 134.538d {+08h 58m 09s} (current),
                 133.887d {+08h 55m 33s} (1950)
GRB_DEC:         -32.361d {-32d 21' 37"} (J2000),
                 -32.412d {-32d 24' 43"} (current),
                 -32.167d {-32d 10' 00"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       17050 [cnts]    Image_Peak=187 [image_cnts]
TRIGGER_DUR:     4.096 [sec] 
TRIGGER_INDEX:   488     E_range: 50-350 keV
BKG_INTEN:       94875 [cnts]
BKG_TIME:        78645.58 SOD {21:50:45.58} UT
BKG_DUR:         40 [sec]
GRB_DATE:        16390 TJD;    98 DOY;   13/04/08
GRB_TIME:        78698.82 SOD {21:51:38.82} UT
GRB_PHI:         -173.44 [deg]
GRB_THETA:        58.32 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     69.57 [sigma]
IMAGE_SIGNIF:    7.51 [sigma]
MERIT_PARAMS:     +1  +0  +0  +2  +3  -2  +0  +1 +44  +0 
SUN_POSTN:        17.74d {+01h 10m 58s}   +7.52d {+07d 31' 30"}
SUN_DIST:        116.58 [deg]   Sun_angle= -7.8 [hr] (East of Sun)
MOON_POSTN:      359.87d {+23h 59m 28s}   +3.93d {+03d 55' 33"}
MOON_DIST:       128.96 [deg]
MOON_ILLUM:      2 [%]
GAL_COORDS:      256.21,  8.58 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      150.03,-46.98 [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 = 11.78,-4.41 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 08 Apr 13 22:10:16 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     553132,   Seg_Num: 0
GRB_RA:          134.401d {+08h 57m 36s} (J2000),
                 134.538d {+08h 58m 09s} (current),
                 133.887d {+08h 55m 33s} (1950)
GRB_DEC:         -32.361d {-32d 21' 37"} (J2000),
                 -32.412d {-32d 24' 43"} (current),
                 -32.167d {-32d 10' 00"} (1950)
GRB_DATE:        16390 TJD;    98 DOY;   13/04/08
GRB_TIME:        78698.82 SOD {21:51:38.82} UT
TRIGGER_INDEX:   488
GRB_PHI:         -173.44 [deg]
GRB_THETA:        58.32 [deg]
DELTA_TIME:      -44.00 [sec]
TRIGGER_DUR:     4.096 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     69.57 [sigma]
IMAGE_SIGNIF:    7.51 [sigma]
LC_URL:          sw00553132000msb.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:
Mon Apr  8 18:10:52 EDT 2013