TDRSS lightcurve for Trigger=250908

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 14 Dec 06 12:17:05 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     250908,   Seg_Num: 0
GRB_RA:            7.777d {+00h 31m 06s} (J2000),
                   7.863d {+00h 31m 27s} (current),
                   7.157d {+00h 28m 38s} (1950)
GRB_DEC:         -29.640d {-29d 38' 23"} (J2000),
                 -29.602d {-29d 36' 05"} (current),
                 -29.916d {-29d 54' 57"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       47 [cnts]    Image_Peak=13 [image_cnts]
TRIGGER_DUR:     0.004 [sec] 
TRIGGER_INDEX:   10030     E_range: 50-350 keV
BKG_INTEN:       29103 [cnts]
BKG_TIME:        44198.36 SOD {12:16:38.36} UT
BKG_DUR:         8 [sec]
GRB_DATE:        14083 TJD;   348 DOY;   06/12/14
GRB_TIME:        44213.40 SOD {12:16:53.40} UT
GRB_PHI:         -25.11 [deg]
GRB_THETA:        36.24 [deg]
SOLN_STATUS:     0x83
RATE_SIGNIF:     10.48 [sigma]
IMAGE_SIGNIF:    6.03 [sigma]
MERIT_PARAMS:     +1  +0  +0  -8  +3  +0  +0  +0  +2  +1 
SUN_POSTN:       261.69d {+17h 26m 45s}  -23.22d {-23d 13' 03"}
SUN_DIST:         91.60 [deg]   Sun_angle= -7.1 [hr] (East of Sun)
MOON_POSTN:      191.12d {+12h 44m 28s}   -6.81d {-06d 48' 37"}
MOON_DIST:       143.45 [deg]
MOON_ILLUM:      33 [%]
GAL_COORDS:        2.42,-84.87 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      354.11,-30.03 [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 = 75.88,-9.38 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 14 Dec 06 12:22:31 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     250908,   Seg_Num: 0
GRB_RA:            7.777d {+00h 31m 06s} (J2000),
                   7.863d {+00h 31m 27s} (current),
                   7.157d {+00h 28m 38s} (1950)
GRB_DEC:         -29.640d {-29d 38' 23"} (J2000),
                 -29.602d {-29d 36' 05"} (current),
                 -29.916d {-29d 54' 57"} (1950)
GRB_DATE:        14083 TJD;   348 DOY;   06/12/14
GRB_TIME:        44213.67 SOD {12:16:53.67} UT
TRIGGER_INDEX:   10030
GRB_PHI:         -25.11 [deg]
GRB_THETA:        36.24 [deg]
DELTA_TIME:      70.00 [sec]
TRIGGER_DUR:     0.004 [sec] 
SOLN_STATUS:     0x83
RATE_SIGNIF:     10.48 [sigma]
IMAGE_SIGNIF:    6.03 [sigma]
LC_URL:          sw00250908000msb.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:
Thu Dec 14 07:23:15 EST 2006