TDRSS lightcurve for Trigger=504307

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 28 Sep 11 19:35:15 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     504307,   Seg_Num: 0
GRB_RA:          278.950d {+18h 35m 48s} (J2000),
                 279.124d {+18h 36m 30s} (current),
                 278.213d {+18h 32m 51s} (1950)
GRB_DEC:         -19.328d {-19d 19' 40"} (J2000),
                 -19.318d {-19d 19' 03"} (current),
                 -19.370d {-19d 22' 10"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=9673 [image_cnts]
TRIGGER_DUR:     1024.000 [sec]   (=17.1 [min])
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:        15832 TJD;   271 DOY;   11/09/28
GRB_TIME:        69440.58 SOD {19:17:20.58} UT
GRB_PHI:         -166.06 [deg]
GRB_THETA:        16.56 [deg]
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.79 [sigma]
MERIT_PARAMS:     +1  +0  +0  +8  +1  -2  +0  +1  +5  +0 
SUN_POSTN:       184.89d {+12h 19m 34s}   -2.12d {-02d 06' 57"}
SUN_DIST:         93.29 [deg]   Sun_angle= -6.3 [hr] (East of Sun)
MOON_POSTN:      201.02d {+13h 24m 05s}  -13.18d {-13d 10' 33"}
MOON_DIST:        74.64 [deg]
MOON_ILLUM:      3 [%]
GAL_COORDS:       13.95, -5.37 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      278.46,  3.85 [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 = 63.53,15.07 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 28 Sep 11 19:43:52 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     504307,   Seg_Num: 0
GRB_RA:          278.950d {+18h 35m 48s} (J2000),
                 279.124d {+18h 36m 30s} (current),
                 278.213d {+18h 32m 51s} (1950)
GRB_DEC:         -19.328d {-19d 19' 40"} (J2000),
                 -19.318d {-19d 19' 03"} (current),
                 -19.370d {-19d 22' 10"} (1950)
GRB_DATE:        15832 TJD;   271 DOY;   11/09/28
GRB_TIME:        69440.58 SOD {19:17:20.58} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -166.06 [deg]
GRB_THETA:        16.56 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     1024.000 [sec]   (=17.1 [min])
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.79 [sigma]
LC_URL:          sw00504307000msb.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

Plot creation:
Wed Sep 28 15:44:03 EDT 2011