TDRSS lightcurve for Trigger=502415

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 05 Sep 11 06:16:15 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     502415,   Seg_Num: 0
GRB_RA:          278.954d {+18h 35m 49s} (J2000),
                 279.126d {+18h 36m 30s} (current),
                 278.217d {+18h 32m 52s} (1950)
GRB_DEC:         -19.318d {-19d 19' 03"} (J2000),
                 -19.308d {-19d 18' 27"} (current),
                 -19.359d {-19d 21' 33"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=18890 [image_cnts]
TRIGGER_DUR:     1600.000 [sec]   (=26.7 [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:        15809 TJD;   248 DOY;   11/09/05
GRB_TIME:        20920.66 SOD {05:48:40.66} UT
GRB_PHI:         165.12 [deg]
GRB_THETA:        10.55 [deg]
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    8.29 [sigma]
MERIT_PARAMS:     +1  +0  +0  +5  +1  -1  -5  +1 +43  +0 
SUN_POSTN:       163.73d {+10h 54m 55s}   +6.92d {+06d 55' 29"}
SUN_DIST:        116.21 [deg]   Sun_angle= -7.7 [hr] (East of Sun)
MOON_POSTN:      258.12d {+17h 12m 28s}  -23.15d {-23d 08' 54"}
MOON_DIST:        19.94 [deg]
MOON_ILLUM:      56 [%]
GAL_COORDS:       13.96, -5.37 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      278.47,  3.86 [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 = 232.35,-20.42 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 05 Sep 11 06:24:00 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     502415,   Seg_Num: 0
GRB_RA:          278.954d {+18h 35m 49s} (J2000),
                 279.126d {+18h 36m 30s} (current),
                 278.217d {+18h 32m 52s} (1950)
GRB_DEC:         -19.318d {-19d 19' 03"} (J2000),
                 -19.308d {-19d 18' 27"} (current),
                 -19.359d {-19d 21' 33"} (1950)
GRB_DATE:        15809 TJD;   248 DOY;   11/09/05
GRB_TIME:        20920.66 SOD {05:48:40.66} UT
TRIGGER_INDEX:   20000
GRB_PHI:         165.12 [deg]
GRB_THETA:        10.55 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     1600.000 [sec]   (=26.7 [min])
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    8.29 [sigma]
LC_URL:          sw00502415000msb.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:
Mon Sep  5 02:24:03 EDT 2011