TDRSS lightcurve for Trigger=502742

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 09 Sep 11 04:26:21 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     502742,   Seg_Num: 0
GRB_RA:          195.309d {+13h 01m 14s} (J2000),
                 195.491d {+13h 01m 58s} (current),
                 194.537d {+12h 58m 09s} (1950)
GRB_DEC:         -61.610d {-61d 36' 35"} (J2000),
                 -61.673d {-61d 40' 20"} (current),
                 -61.341d {-61d 20' 26"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=5165 [image_cnts]
TRIGGER_DUR:     64.000 [sec] 
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:        15813 TJD;   252 DOY;   11/09/09
GRB_TIME:        15904.65 SOD {04:25:04.65} UT
GRB_PHI:          15.38 [deg]
GRB_THETA:        15.90 [deg]
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    17.83 [sigma]
MERIT_PARAMS:     +0  +0 +95  +6  +1  +5  +0  +1 -33  +0 
SUN_POSTN:       167.26d {+11h 09m 03s}   +5.46d {+05d 27' 33"}
SUN_DIST:         70.58 [deg]   Sun_angle= -1.9 [hr] (East of Sun)
MOON_POSTN:      311.22d {+20h 44m 52s}  -14.02d {-14d 01' 28"}
MOON_DIST:        89.23 [deg]
MOON_ILLUM:      90 [%]
GAL_COORDS:      304.10,  1.24 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      225.40,-49.22 [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 matches a source in the on-board catalog: Num=10052=GX_304-1,   delta=0.011 [deg].  
COMMENTS:        This matches a source in the ground catalog: GX_304-1,   delta=0.011 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 133.42,-0.70 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 09 Sep 11 04:41:49 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     502742,   Seg_Num: 0
GRB_RA:          195.309d {+13h 01m 14s} (J2000),
                 195.491d {+13h 01m 58s} (current),
                 194.537d {+12h 58m 09s} (1950)
GRB_DEC:         -61.610d {-61d 36' 35"} (J2000),
                 -61.673d {-61d 40' 20"} (current),
                 -61.341d {-61d 20' 26"} (1950)
GRB_DATE:        15813 TJD;   252 DOY;   11/09/09
GRB_TIME:        15904.65 SOD {04:25:04.65} UT
TRIGGER_INDEX:   20000
GRB_PHI:          15.38 [deg]
GRB_THETA:        15.90 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    17.83 [sigma]
LC_URL:          sw00502742000msb.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 Sep  9 00:42:04 EDT 2011