TDRSS lightcurve for Trigger=176620

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 09 Jan 06 16:55:37 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     176620,   Seg_Num: 0
GRB_RA:          282.710d {+18h 50m 50s} (J2000),
                 282.767d {+18h 51m 04s} (current),
                 282.239d {+18h 48m 57s} (1950)
GRB_DEC:         +31.989d {+31d 59' 22"} (J2000),
                 +31.997d {+31d 59' 49"} (current),
                 +31.929d {+31d 55' 46"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       40638 [cnts]    Image_Peak=545 [image_cnts]
TRIGGER_DUR:     8.192 [sec] 
TRIGGER_INDEX:   453     E_range: 15-50 keV
BKG_INTEN:       297718 [cnts]
BKG_TIME:        60791.05 SOD {16:53:11.05} UT
BKG_DUR:         64 [sec]
GRB_DATE:        13744 TJD;     9 DOY;   06/01/09
GRB_TIME:        60881.23 SOD {16:54:41.23} UT
GRB_PHI:         -44.24 [deg]
GRB_THETA:        18.27 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     10.90 [sigma]
IMAGE_SIGNIF:    7.10 [sigma]
MERIT_PARAMS:     +1  +0  +0  +3  +1  +1  +0  +0 -57  +1 
SUN_POSTN:       290.88d {+19h 23m 32s}  -22.05d {-22d 03' 00"}
SUN_DIST:         54.60 [deg]
MOON_POSTN:       51.80d {+03h 27m 13s}  +22.64d {+22d 38' 07"}
MOON_DIST:       106.80 [deg]
MOON_ILLUM:      79 [%]
GAL_COORDS:       61.95, 14.10 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      288.79, 54.60 [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 = 299.31,16.51 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 09 Jan 06 16:58:36 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     176620,   Seg_Num: 0
GRB_RA:          282.710d {+18h 50m 50s} (J2000),
                 282.767d {+18h 51m 04s} (current),
                 282.239d {+18h 48m 57s} (1950)
GRB_DEC:         +31.989d {+31d 59' 22"} (J2000),
                 +31.997d {+31d 59' 49"} (current),
                 +31.929d {+31d 55' 46"} (1950)
GRB_DATE:        13744 TJD;     9 DOY;   06/01/09
GRB_TIME:        60881.23 SOD {16:54:41.23} UT
TRIGGER_INDEX:   453
GRB_PHI:         -44.24 [deg]
GRB_THETA:        18.27 [deg]
DELTA_TIME:      -60.00 [sec]
TRIGGER_DUR:     8.192 [sec] 
LC_URL:          sw00176620000msb.lc
SUN_POSTN:       290.88d {+19h 23m 32s}  -22.05d {-22d 03' 00"}
SUN_DIST:         54.60 [deg]
MOON_POSTN:       51.83d {+03h 27m 20s}  +22.64d {+22d 38' 36"}

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 Jan  9 12:00:03 EST 2006