TDRSS lightcurve for Trigger=173780

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Dec 05 01:51:32 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     173780,   Seg_Num: 0
GRB_RA:          328.711d {+21h 54m 51s} (J2000),
                 328.782d {+21h 55m 08s} (current),
                 328.114d {+21h 52m 27s} (1950)
GRB_DEC:         +16.896d {+16d 53' 45"} (J2000),
                 +16.924d {+16d 55' 27"} (current),
                 +16.659d {+16d 39' 31"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       1239 [cnts]    Image_Peak=220 [image_cnts]
TRIGGER_DUR:     0.064 [sec] 
TRIGGER_INDEX:   10418     E_range: 50-350 keV
BKG_INTEN:       35491 [cnts]
BKG_TIME:        6664.00 SOD {01:51:04.00} UT
BKG_DUR:         8 [sec]
GRB_DATE:        13725 TJD;   355 DOY;   05/12/21
GRB_TIME:        6675.61 SOD {01:51:15.61} UT
GRB_PHI:         -178.58 [deg]
GRB_THETA:        36.61 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     56.02 [sigma]
IMAGE_SIGNIF:    16.39 [sigma]
MERIT_PARAMS:     +1  +0  +0  -3  +3 +33  +0  +0 -33  +1 
SUN_POSTN:       269.23d {+17h 56m 55s}  -23.44d {-23d 26' 09"}
SUN_DIST:         70.79 [deg]
MOON_POSTN:      152.90d {+10h 11m 37s}  +14.60d {+14d 36' 10"}
MOON_DIST:       148.21 [deg]
MOON_ILLUM:      75 [%]
GAL_COORDS:       73.56,-28.59 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      337.40, 27.67 [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:        This trigger occurred at longitude,latitude = 142.81,-15.76 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Dec 05 01:54:45 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     173780,   Seg_Num: 0
GRB_RA:          328.711d {+21h 54m 51s} (J2000),
                 328.782d {+21h 55m 08s} (current),
                 328.114d {+21h 52m 27s} (1950)
GRB_DEC:         +16.896d {+16d 53' 45"} (J2000),
                 +16.924d {+16d 55' 27"} (current),
                 +16.659d {+16d 39' 31"} (1950)
GRB_DATE:        13725 TJD;   355 DOY;   05/12/21
GRB_TIME:        6675.86 SOD {01:51:15.86} UT
TRIGGER_INDEX:   10418
GRB_PHI:         -178.58 [deg]
GRB_THETA:        36.61 [deg]
DELTA_TIME:      65479.00 [sec]
TRIGGER_DUR:     0.064 [sec] 
LC_URL:          sw00173780000msb.lc
SUN_POSTN:       269.23d {+17h 56m 55s}  -23.44d {-23d 26' 09"}
SUN_DIST:         70.79 [deg]
MOON_POSTN:      152.93d {+10h 11m 43s}  +14.59d {+14d 35' 31"}

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:
Tue Dec 20 20:56:05 EST 2005