TDRSS lightcurve for Trigger=501368

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 25 Aug 11 00:54:23 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     501368,   Seg_Num: 0
GRB_RA:          130.191d {+08h 40m 46s} (J2000),
                 130.291d {+08h 41m 10s} (current),
                 129.764d {+08h 39m 03s} (1950)
GRB_DEC:         -45.083d {-45d 04' 59"} (J2000),
                 -45.125d {-45d 07' 29"} (current),
                 -44.904d {-44d 54' 15"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1488 [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:        15798 TJD;   237 DOY;   11/08/25
GRB_TIME:        3184.70 SOD {00:53:04.70} UT
GRB_PHI:         -36.91 [deg]
GRB_THETA:        33.49 [deg]
SOLN_STATUS:     0x211D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.28 [sigma]
MERIT_PARAMS:     +0  +0 +123  +6  +1  -3  +0  +1 -50  +0 
SUN_POSTN:       153.52d {+10h 14m 06s}  +10.94d {+10d 56' 19"}
SUN_DIST:         59.86 [deg]   Sun_angle= 1.5 [hr] (West of Sun)
MOON_POSTN:       98.26d {+06h 33m 02s}  +21.72d {+21d 43' 06"}
MOON_DIST:        72.93 [deg]
MOON_ILLUM:      20 [%]
GAL_COORDS:      264.06, -1.97 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      154.93,-59.80 [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=10681=IGR_J08408-4503,   delta=0.034 [deg].  
COMMENTS:        This matches a source in the ground catalog: IGR_J08408-4503,   delta=0.034 [deg].  
COMMENTS:        There is a bright star (mag=5.71) 6.75 arcmin from this position.  
COMMENTS:        This is not a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 41.44,-20.42 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 25 Aug 11 01:12:31 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     501368,   Seg_Num: 0
GRB_RA:          130.191d {+08h 40m 46s} (J2000),
                 130.291d {+08h 41m 10s} (current),
                 129.764d {+08h 39m 03s} (1950)
GRB_DEC:         -45.083d {-45d 04' 59"} (J2000),
                 -45.125d {-45d 07' 29"} (current),
                 -44.904d {-44d 54' 15"} (1950)
GRB_DATE:        15798 TJD;   237 DOY;   11/08/25
GRB_TIME:        3184.70 SOD {00:53:04.70} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -36.91 [deg]
GRB_THETA:        33.49 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x211D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.28 [sigma]
LC_URL:          sw00501368000msb.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 Aug 24 21:12:43 EDT 2011