TDRSS lightcurve for Trigger=230341

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 21 Sep 06 01:35:03 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     230341,   Seg_Num: 0
GRB_RA:          251.756d {+16h 47m 01s} (J2000),
                 251.878d {+16h 47m 31s} (current),
                 250.843d {+16h 43m 22s} (1950)
GRB_DEC:         -45.891d {-45d 53' 28"} (J2000),
                 -45.903d {-45d 54' 10"} (current),
                 -45.802d {-45d 48' 07"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       147 [cnts]    Image_Peak=26 [image_cnts]
TRIGGER_DUR:     0.008 [sec] 
TRIGGER_INDEX:   10109     E_range: 15-50 keV
BKG_INTEN:       39370 [cnts]
BKG_TIME:        5678.54 SOD {01:34:38.54} UT
BKG_DUR:         8 [sec]
GRB_DATE:        13999 TJD;   264 DOY;   06/09/21
GRB_TIME:        5691.02 SOD {01:34:51.02} UT
GRB_PHI:         -68.43 [deg]
GRB_THETA:        17.37 [deg]
SOLN_STATUS:     0x8D
RATE_SIGNIF:     16.91 [sigma]
IMAGE_SIGNIF:    5.89 [sigma]
MERIT_PARAMS:     +0  +0 +100  -7  +1  +5  +0  +1 -18  +1 
SUN_POSTN:       178.11d {+11h 52m 27s}   +0.82d {+00d 49' 07"}
SUN_DIST:         79.38 [deg]   Sun_angle= -4.9 [hr] (East of Sun)
MOON_POSTN:      164.42d {+10h 57m 42s}   +7.93d {+07d 55' 54"}
MOON_DIST:        93.93 [deg]
MOON_ILLUM:      2 [%]
GAL_COORDS:      339.51, -0.42 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      256.27,-23.32 [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 matches a source in the on-board catalog.  
COMMENTS:        This does not match any source in the ground catalog.  
COMMENTS:        This is not a GRB.  
COMMENTS:        This is an interesting source.  
COMMENTS:        Since the IMAGE_SIGNIF is less than 7 sigma, this is a questionable detection.  
COMMENTS:        This trigger occurred at longitude,latitude = 213.95,3.22 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 21 Sep 06 01:38:30 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     230341,   Seg_Num: 0
GRB_RA:          251.756d {+16h 47m 01s} (J2000),
                 251.878d {+16h 47m 31s} (current),
                 250.843d {+16h 43m 22s} (1950)
GRB_DEC:         -45.891d {-45d 53' 28"} (J2000),
                 -45.903d {-45d 54' 10"} (current),
                 -45.802d {-45d 48' 07"} (1950)
GRB_DATE:        13999 TJD;   264 DOY;   06/09/21
GRB_TIME:        5691.08 SOD {01:34:51.08} UT
TRIGGER_INDEX:   10109
GRB_PHI:         -68.43 [deg]
GRB_THETA:        17.37 [deg]
DELTA_TIME:      26.00 [sec]
TRIGGER_DUR:     0.008 [sec] 
SOLN_STATUS:     0x8D
RATE_SIGNIF:     16.91 [sigma]
IMAGE_SIGNIF:    5.89 [sigma]
LC_URL:          sw00230341000msb.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:
Wed Sep 20 21:39:07 EDT 2006