TDRSS lightcurve for Trigger=173321

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 18 Dec 05 19:08:05 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     173321,   Seg_Num: 0
GRB_RA:          246.657d {+16h 26m 38s} (J2000),
                 246.773d {+16h 27m 05s} (current),
                 245.692d {+16h 22m 46s} (1950)
GRB_DEC:         -51.937d {-51d 56' 13"} (J2000),
                 -51.950d {-51d 57' 01"} (current),
                 -51.825d {-51d 49' 28"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1441 [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:        13722 TJD;   352 DOY;   05/12/18
GRB_TIME:        68808.09 SOD {19:06:48.09} UT
GRB_PHI:         -45.40 [deg]
GRB_THETA:        41.34 [deg]
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    8.22 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  -1 -100  +1 -84  +1 
SUN_POSTN:       266.70d {+17h 46m 48s}  -23.40d {-23d 24' 11"}
SUN_DIST:         32.37 [deg]
MOON_POSTN:      125.86d {+08h 23m 26s}  +24.08d {+24d 05' 01"}
MOON_DIST:       127.62 [deg]
MOON_ILLUM:      91 [%]
GAL_COORDS:      332.79, -2.00 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      253.65,-29.81 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This Notice was delayed by more than 60 sec; probably due to it occurring during a Malindi downlink session.  
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 = 226.13,-20.43 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 18 Dec 05 19:10:57 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     173321,   Seg_Num: 0
GRB_RA:          246.657d {+16h 26m 38s} (J2000),
                 246.773d {+16h 27m 05s} (current),
                 245.692d {+16h 22m 46s} (1950)
GRB_DEC:         -51.937d {-51d 56' 13"} (J2000),
                 -51.950d {-51d 57' 01"} (current),
                 -51.825d {-51d 49' 28"} (1950)
GRB_DATE:        13722 TJD;   352 DOY;   05/12/18
GRB_TIME:        68808.09 SOD {19:06:48.09} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -45.40 [deg]
GRB_THETA:        41.34 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
LC_URL:          sw00173321000msb.lc
SUN_POSTN:       266.70d {+17h 46m 48s}  -23.40d {-23d 24' 11"}
SUN_DIST:         32.38 [deg]
MOON_POSTN:      125.88d {+08h 23m 32s}  +24.08d {+24d 04' 38"}

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:
Sun Dec 18 14:12:02 EST 2005