TDRSS lightcurve for Trigger=508855

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 02 Dec 11 09:46:00 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     508855,   Seg_Num: 0
GRB_RA:          290.643d {+19h 22m 34s} (J2000),
                 290.815d {+19h 23m 16s} (current),
                 289.921d {+19h 19m 41s} (1950)
GRB_DEC:         -17.267d {-17d 16' 00"} (J2000),
                 -17.244d {-17d 14' 36"} (current),
                 -17.364d {-17d 21' 48"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       30849 [cnts]    Image_Peak=596 [image_cnts]
TRIGGER_DUR:     16.384 [sec] 
TRIGGER_INDEX:   418     E_range: 15-25 keV
BKG_INTEN:       109420 [cnts]
BKG_TIME:        34984.36 SOD {09:43:04.36} UT
BKG_DUR:         64 [sec]
GRB_DATE:        15897 TJD;   336 DOY;   11/12/02
GRB_TIME:        35081.83 SOD {09:44:41.83} UT
GRB_PHI:         -31.13 [deg]
GRB_THETA:        37.77 [deg]
SOLN_STATUS:     0x103
RATE_SIGNIF:     12.40 [sigma]
IMAGE_SIGNIF:    8.89 [sigma]
MERIT_PARAMS:     +1  +0  +0  +4  +0  -1 -100  +0 -76  +0 
SUN_POSTN:       248.21d {+16h 32m 49s}  -21.93d {-21d 55' 32"}
SUN_DIST:         40.29 [deg]   Sun_angle= -2.8 [hr] (East of Sun)
MOON_POSTN:      339.45d {+22h 37m 48s}   -2.94d {-02d 56' 40"}
MOON_DIST:        49.79 [deg]
MOON_ILLUM:      50 [%]
GAL_COORDS:       20.70,-14.50 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      289.74,  4.77 [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 matches a source in the ground catalog: SwJ1922.7-1716,   delta=0.019 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 79.13,10.50 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 02 Dec 11 10:01:57 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     508855,   Seg_Num: 0
GRB_RA:          290.643d {+19h 22m 34s} (J2000),
                 290.815d {+19h 23m 16s} (current),
                 289.921d {+19h 19m 41s} (1950)
GRB_DEC:         -17.267d {-17d 16' 00"} (J2000),
                 -17.244d {-17d 14' 36"} (current),
                 -17.364d {-17d 21' 48"} (1950)
GRB_DATE:        15897 TJD;   336 DOY;   11/12/02
GRB_TIME:        35081.83 SOD {09:44:41.83} UT
TRIGGER_INDEX:   418
GRB_PHI:         -31.13 [deg]
GRB_THETA:        37.77 [deg]
DELTA_TIME:      12.00 [sec]
TRIGGER_DUR:     16.384 [sec] 
SOLN_STATUS:     0x103
RATE_SIGNIF:     12.40 [sigma]
IMAGE_SIGNIF:    8.89 [sigma]
LC_URL:          sw00508855000msb.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:
Fri Dec  2 05:02:26 EST 2011