TDRSS lightcurve for Trigger=174738

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 27 Dec 05 18:07:37 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     174738,   Seg_Num: 0
GRB_RA:          125.270d {+08h 21m 05s} (J2000),
                 125.364d {+08h 21m 27s} (current),
                 124.487d {+08h 17m 57s} (1950)
GRB_DEC:         +31.929d {+31d 55' 44"} (J2000),
                 +31.910d {+31d 54' 35"} (current),
                 +32.088d {+32d 05' 18"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       6018 [cnts]    Image_Peak=323 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   146     E_range: 25-100 keV
BKG_INTEN:       34422 [cnts]
BKG_TIME:        65224.00 SOD {18:07:04.00} UT
BKG_DUR:         8 [sec]
GRB_DATE:        13731 TJD;   361 DOY;   05/12/27
GRB_TIME:        65236.04 SOD {18:07:16.04} UT
GRB_PHI:         -27.73 [deg]
GRB_THETA:        20.99 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     22.82 [sigma]
IMAGE_SIGNIF:    10.59 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  +8  +0  +0 +89  +1 
SUN_POSTN:       276.64d {+18h 26m 33s}  -23.30d {-23d 17' 51"}
SUN_DIST:        153.22 [deg]
MOON_POSTN:      228.36d {+15h 13m 26s}  -21.46d {-21d 27' 38"}
MOON_DIST:       111.78 [deg]
MOON_ILLUM:      14 [%]
GAL_COORDS:      190.55, 31.95 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      120.08, 12.10 [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 = 150.20,-19.85 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 27 Dec 05 18:10:49 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     174738,   Seg_Num: 0
GRB_RA:          125.270d {+08h 21m 05s} (J2000),
                 125.364d {+08h 21m 27s} (current),
                 124.487d {+08h 17m 57s} (1950)
GRB_DEC:         +31.929d {+31d 55' 44"} (J2000),
                 +31.910d {+31d 54' 35"} (current),
                 +32.088d {+32d 05' 18"} (1950)
GRB_DATE:        13731 TJD;   361 DOY;   05/12/27
GRB_TIME:        65236.04 SOD {18:07:16.04} UT
TRIGGER_INDEX:   146
GRB_PHI:         -27.73 [deg]
GRB_THETA:        20.99 [deg]
DELTA_TIME:      65460.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
LC_URL:          sw00174738000msb.lc
SUN_POSTN:       276.64d {+18h 26m 33s}  -23.30d {-23d 17' 51"}
SUN_DIST:        153.22 [deg]
MOON_POSTN:      228.39d {+15h 13m 33s}  -21.47d {-21d 28' 13"}

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 27 13:13:02 EST 2005