TDRSS lightcurve for Trigger=181323

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 12 Feb 06 23:43:57 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     181323,   Seg_Num: 0
GRB_RA:          260.996d {+17h 23m 59s} (J2000),
                 261.100d {+17h 24m 24s} (current),
                 260.144d {+17h 20m 35s} (1950)
GRB_DEC:         -37.611d {-37d 36' 40"} (J2000),
                 -37.617d {-37d 37' 00"} (current),
                 -37.566d {-37d 33' 56"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=984 [image_cnts]
TRIGGER_DUR:     64.000 [sec] 
TRIGGER_INDEX:   20000     E_range: 15-50 keV
BKG_INTEN:       0 [cnts]
BKG_TIME:        -1.01 SOD {00:00:-1.00} UT
BKG_DUR:         0 [sec]
GRB_DATE:        13778 TJD;    43 DOY;   06/02/12
GRB_TIME:        85358.98 SOD {23:42:38.98} UT
GRB_PHI:         -11.33 [deg]
GRB_THETA:        49.67 [deg]
SOLN_STATUS:     0x99D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    5.31 [sigma]
MERIT_PARAMS:     +0  +0 +100  +6  +1  -6  +0  +1 -45  +1 
SUN_POSTN:       326.43d {+21h 45m 44s}  -13.48d {-13d 28' 45"}
SUN_DIST:         62.37 [deg]   Sun_angle= 4.4 [hr] (West of Sun)
MOON_POSTN:      145.33d {+09h 41m 20s}  +17.55d {+17d 32' 54"}
MOON_DIST:       120.82 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:      350.26, -0.90 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      262.65,-14.40 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This is an image trigger.  (The RATE_SIGNIF & BKG_{INTEN, TIME, DUR} are undefined.)  
COMMENTS:        A point_source was found.  
COMMENTS:        This matches a source in the on-board catalog.  
COMMENTS:        This matches a source in the ground catalog: XTE J1723-376,   delta=0.085 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This is an interesting source.  
COMMENTS:        The IMAGE_SIGNIF is VERY LOW, this is almost certainly not real.  
COMMENTS:        This trigger occurred at longitude,latitude = 156.75,-1.43 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 12 Feb 06 23:46:40 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     181323,   Seg_Num: 0
GRB_RA:          260.996d {+17h 23m 59s} (J2000),
                 261.100d {+17h 24m 24s} (current),
                 260.144d {+17h 20m 35s} (1950)
GRB_DEC:         -37.611d {-37d 36' 40"} (J2000),
                 -37.617d {-37d 37' 00"} (current),
                 -37.566d {-37d 33' 56"} (1950)
GRB_DATE:        13778 TJD;    43 DOY;   06/02/12
GRB_TIME:        85358.98 SOD {23:42:38.98} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -11.33 [deg]
GRB_THETA:        49.67 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x99D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    5.31 [sigma]
LC_URL:          sw00181323000msb.lc

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:
Mon Feb 13 22:41:03 EST 2006