TDRSS lightcurve for Trigger=160640

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 21 Oct 05 14:51:12 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     160640,   Seg_Num: 0
GRB_RA:          248.555d {+16h 34m 13s} (J2000),
                 248.642d {+16h 34m 34s} (current),
                 247.800d {+16h 31m 12s} (1950)
GRB_DEC:         -23.823d {-23d 49' 21"} (J2000),
                 -23.835d {-23d 50' 04"} (current),
                 -23.719d {-23d 43' 09"} (1950)
GRB_ERROR:       4.00 [arcmin radius, statistical only]
GRB_INTEN:       5305 [cnts]    Image_Peak=154 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   222     E_range: 15-50 keV
BKG_INTEN:       41307 [cnts]
BKG_TIME:        53088.00 SOD {14:44:48.00} UT
BKG_DUR:         8 [sec]
GRB_DATE:        13664 TJD;   294 DOY;   05/10/21
GRB_TIME:        53103.82 SOD {14:45:03.82} UT
GRB_PHI:         -44.90 [deg]
GRB_THETA:        33.40 [deg]
SOLN_STATUS:     0x83
RATE_SIGNIF:     49.68 [sigma]
IMAGE_SIGNIF:    6.48 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +1 +16 -100  +1 -73  +1 
SUN_POSTN:       206.29d {+13h 45m 11s}  -10.87d {-10d 52' 14"}
SUN_DIST:         42.26 [deg]
MOON_POSTN:       78.20d {+05h 12m 48s}  +27.82d {+27d 49' 30"}
MOON_DIST:       170.52 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:      354.74, 15.94 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      250.45, -1.83 [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 does not match any source in the ground catalog.  
COMMENTS:        This is a GRB.  
COMMENTS:        Since the IMAGE_SIGNIF is less than 7 sigma, this is a questionable detection.  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 21 Oct 05 14:51:31 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     160640,   Seg_Num: 0
GRB_RA:          248.555d {+16h 34m 13s} (J2000),
                 248.642d {+16h 34m 34s} (current),
                 247.800d {+16h 31m 12s} (1950)
GRB_DEC:         -23.823d {-23d 49' 21"} (J2000),
                 -23.835d {-23d 50' 04"} (current),
                 -23.719d {-23d 43' 09"} (1950)
GRB_DATE:        13664 TJD;   294 DOY;   05/10/21
GRB_TIME:        53103.82 SOD {14:45:03.82} UT
TRIGGER_INDEX:   222
GRB_PHI:         -44.90 [deg]
GRB_THETA:        33.40 [deg]
DELTA_TIME:      39.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
LC_URL:          sw00160640000msb.lc
SUN_POSTN:       206.29d {+13h 45m 11s}  -10.87d {-10d 52' 14"}
SUN_DIST:         42.26 [deg]
MOON_POSTN:       78.20d {+05h 12m 48s}  +27.82d {+27d 49' 30"}

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:
Fri Oct 21 10:53:03 EDT 2005