TDRSS lightcurve for Trigger=550906

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 13 Mar 13 16:08:29 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     550906,   Seg_Num: 0
GRB_RA:          236.423d {+15h 45m 42s} (J2000),
                 236.592d {+15h 46m 22s} (current),
                 235.781d {+15h 43m 08s} (1950)
GRB_DEC:          -0.362d {-00d 21' 41"} (J2000),
                  -0.402d {-00d 24' 07"} (current),
                  -0.206d {-00d 12' 22"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       622 [cnts]    Image_Peak=68 [image_cnts]
TRIGGER_DUR:     0.128 [sec] 
TRIGGER_INDEX:   122     E_range: 25-100 keV
BKG_INTEN:       23164 [cnts]
BKG_TIME:        58077.68 SOD {16:07:57.68} UT
BKG_DUR:         8 [sec]
GRB_DATE:        16364 TJD;    72 DOY;   13/03/13
GRB_TIME:        58091.05 SOD {16:08:11.05} UT
GRB_PHI:         -50.54 [deg]
GRB_THETA:        20.79 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     12.92 [sigma]
IMAGE_SIGNIF:    7.95 [sigma]
MERIT_PARAMS:     +1  +0  +0  -3  +2  -2  +0  +0 +45  +0 
SUN_POSTN:       353.80d {+23h 35m 11s}   -2.68d {-02d 40' 54"}
SUN_DIST:        117.15 [deg]   Sun_angle= 7.8 [hr] (West of Sun)
MOON_POSTN:       13.45d {+00h 53m 47s}   +8.63d {+08d 37' 58"}
MOON_DIST:       136.25 [deg]
MOON_ILLUM:      4 [%]
GAL_COORDS:        6.94, 39.94 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      234.20, 19.00 [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 = 179.64,19.36 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 13 Mar 13 16:25:22 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     550906,   Seg_Num: 0
GRB_RA:          236.423d {+15h 45m 42s} (J2000),
                 236.592d {+15h 46m 22s} (current),
                 235.781d {+15h 43m 08s} (1950)
GRB_DEC:          -0.362d {-00d 21' 41"} (J2000),
                  -0.402d {-00d 24' 07"} (current),
                  -0.206d {-00d 12' 22"} (1950)
GRB_DATE:        16364 TJD;    72 DOY;   13/03/13
GRB_TIME:        58091.05 SOD {16:08:11.05} UT
TRIGGER_INDEX:   122
GRB_PHI:         -50.54 [deg]
GRB_THETA:        20.79 [deg]
DELTA_TIME:      -57.00 [sec]
TRIGGER_DUR:     0.128 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     12.92 [sigma]
IMAGE_SIGNIF:    7.95 [sigma]
LC_URL:          sw00550906000msb.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:
Wed Mar 13 12:25:45 EDT 2013