TDRSS lightcurve for Trigger=255685

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 11 Jan 07 20:49:59 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     255685,   Seg_Num: 0
GRB_RA:           99.939d {+06h 39m 45s} (J2000),
                  99.972d {+06h 39m 53s} (current),
                  99.707d {+06h 38m 50s} (1950)
GRB_DEC:         -56.099d {-56d 05' 57"} (J2000),
                 -56.106d {-56d 06' 22"} (current),
                 -56.052d {-56d 03' 06"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       175 [cnts]    Image_Peak=28 [image_cnts]
TRIGGER_DUR:     0.032 [sec] 
TRIGGER_INDEX:   10331     E_range: 50-350 keV
BKG_INTEN:       23234 [cnts]
BKG_TIME:        74974.30 SOD {20:49:34.30} UT
BKG_DUR:         8 [sec]
GRB_DATE:        14111 TJD;    11 DOY;   07/01/11
GRB_TIME:        74985.18 SOD {20:49:45.18} UT
GRB_PHI:           5.13 [deg]
GRB_THETA:        33.40 [deg]
SOLN_STATUS:     0x83
RATE_SIGNIF:     8.30 [sigma]
IMAGE_SIGNIF:    6.50 [sigma]
MERIT_PARAMS:     +1  +0  +0  -5  +3  -1  +0  +0 +19  +1 
SUN_POSTN:       292.97d {+19h 31m 52s}  -21.76d {-21d 45' 34"}
SUN_DIST:        101.36 [deg]   Sun_angle= -11.1 [hr] (East of Sun)
MOON_POSTN:      201.83d {+13h 27m 18s}  -12.49d {-12d 29' 06"}
MOON_DIST:        86.12 [deg]
MOON_ILLUM:      47 [%]
GAL_COORDS:      265.42,-23.81 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      118.97,-78.54 [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:        Since the IMAGE_SIGNIF is less than 7 sigma, this is a questionable detection.  
COMMENTS:        This trigger occurred at longitude,latitude = 114.13,1.17 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 11 Jan 07 21:06:36 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     255685,   Seg_Num: 0
GRB_RA:           99.939d {+06h 39m 45s} (J2000),
                  99.972d {+06h 39m 53s} (current),
                  99.707d {+06h 38m 50s} (1950)
GRB_DEC:         -56.099d {-56d 05' 57"} (J2000),
                 -56.106d {-56d 06' 22"} (current),
                 -56.052d {-56d 03' 06"} (1950)
GRB_DATE:        14111 TJD;    11 DOY;   07/01/11
GRB_TIME:        74985.22 SOD {20:49:45.22} UT
TRIGGER_INDEX:   10331
GRB_PHI:           5.13 [deg]
GRB_THETA:        33.40 [deg]
DELTA_TIME:      29.00 [sec]
TRIGGER_DUR:     0.032 [sec] 
SOLN_STATUS:     0x83
RATE_SIGNIF:     8.30 [sigma]
IMAGE_SIGNIF:    6.50 [sigma]
LC_URL:          sw00255685000msb.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

Extended TDRSS light curve and spacecraft attitude plot(s)

Extended TDRSS lc No.1

Extended TDRSS lc No.2

Extended TDRSS lc No.3

Extended TDRSS lc No.4

Plot creation:
Thu Jan 11 16:07:06 EST 2007