TDRSS lightcurve for Trigger=173904

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 20:06:48 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     173904,   Seg_Num: 0
GRB_RA:          312.395d {+20h 49m 35s} (J2000),
                 312.439d {+20h 49m 45s} (current),
                 312.028d {+20h 48m 07s} (1950)
GRB_DEC:         +53.054d {+53d 03' 14"} (J2000),
                 +53.076d {+53d 04' 34"} (current),
                 +52.867d {+52d 52' 00"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=2392 [image_cnts]
TRIGGER_DUR:     192.000 [sec]   (=3.2 [min])
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:        13725 TJD;   355 DOY;   05/12/21
GRB_TIME:        72200.09 SOD {20:03:20.09} UT
GRB_PHI:          17.40 [deg]
GRB_THETA:        38.33 [deg]
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    7.45 [sigma]
MERIT_PARAMS:     +1  +0  +0  +8  +1  -2  +0  +1  -8  +1 
SUN_POSTN:       270.07d {+18h 00m 17s}  -23.44d {-23d 26' 16"}
SUN_DIST:         84.88 [deg]
MOON_POSTN:      161.20d {+10h 44m 48s}  +10.73d {+10d 44' 02"}
MOON_DIST:       111.63 [deg]
MOON_ILLUM:      68 [%]
GAL_COORDS:       91.22,  5.78 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      347.57, 65.48 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This Notice was delayed by more than 90 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 = 355.22,20.38 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Dec 05 20:09:45 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     173904,   Seg_Num: 0
GRB_RA:          312.395d {+20h 49m 35s} (J2000),
                 312.439d {+20h 49m 45s} (current),
                 312.028d {+20h 48m 07s} (1950)
GRB_DEC:         +53.054d {+53d 03' 14"} (J2000),
                 +53.076d {+53d 04' 34"} (current),
                 +52.867d {+52d 52' 00"} (1950)
GRB_DATE:        13725 TJD;   355 DOY;   05/12/21
GRB_TIME:        72200.09 SOD {20:03:20.09} UT
TRIGGER_INDEX:   20000
GRB_PHI:          17.40 [deg]
GRB_THETA:        38.33 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     192.000 [sec]   (=8.0 [min])
LC_URL:          sw00173904000msb.lc
SUN_POSTN:       270.07d {+18h 00m 18s}  -23.44d {-23d 26' 16"}
SUN_DIST:         84.88 [deg]
MOON_POSTN:      161.22d {+10h 44m 53s}  +10.72d {+10d 43' 23"}

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:
Wed Dec 21 15:11:01 EST 2005