TDRSS lightcurve for Trigger=202746

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 25 Mar 06 20:16:52 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     202746,   Seg_Num: 0
GRB_RA:          286.828d {+19h 07m 19s} (J2000),
                 286.903d {+19h 07m 37s} (current),
                 286.231d {+19h 04m 55s} (1950)
GRB_DEC:          +9.270d {+09d 16' 11"} (J2000),
                  +9.280d {+09d 16' 47"} (current),
                  +9.190d {+09d 11' 26"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       117 [cnts]    Image_Peak=19 [image_cnts]
TRIGGER_DUR:     0.008 [sec] 
TRIGGER_INDEX:   10113     E_range: 15-50 keV
BKG_INTEN:       35959 [cnts]
BKG_TIME:        72990.90 SOD {20:16:30.90} UT
BKG_DUR:         8 [sec]
GRB_DATE:        13819 TJD;    84 DOY;   06/03/25
GRB_TIME:        73000.18 SOD {20:16:40.18} UT
GRB_PHI:         -167.91 [deg]
GRB_THETA:        47.48 [deg]
SOLN_STATUS:     0x98D
RATE_SIGNIF:     18.43 [sigma]
IMAGE_SIGNIF:    5.43 [sigma]
MERIT_PARAMS:     +0  +0 +100  -5  +1  +7  +0  +1 -21  +1 
SUN_POSTN:         4.63d {+00h 18m 31s}   +2.00d {+02d 00' 11"}
SUN_DIST:         77.57 [deg]   Sun_angle= 5.2 [hr] (West of Sun)
MOON_POSTN:      318.88d {+21h 15m 30s}  -19.99d {-19d 59' 16"}
MOON_DIST:        42.98 [deg]
MOON_ILLUM:      18 [%]
GAL_COORDS:       42.98,  0.73 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      289.59, 31.57 [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 matches a source in the ground catalog: SGR1900+14,   delta=0.055 [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 = 225.34,-9.45 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 25 Mar 06 20:20:43 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     202746,   Seg_Num: 0
GRB_RA:          286.828d {+19h 07m 19s} (J2000),
                 286.903d {+19h 07m 37s} (current),
                 286.231d {+19h 04m 55s} (1950)
GRB_DEC:          +9.270d {+09d 16' 11"} (J2000),
                  +9.280d {+09d 16' 47"} (current),
                  +9.190d {+09d 11' 26"} (1950)
GRB_DATE:        13819 TJD;    84 DOY;   06/03/25
GRB_TIME:        73000.49 SOD {20:16:40.49} UT
TRIGGER_INDEX:   10113
GRB_PHI:         -167.91 [deg]
GRB_THETA:        47.48 [deg]
DELTA_TIME:      1.00 [sec]
TRIGGER_DUR:     0.008 [sec] 
SOLN_STATUS:     0x98D
RATE_SIGNIF:     18.43 [sigma]
IMAGE_SIGNIF:    5.43 [sigma]
LC_URL:          sw00202746000msb.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:
Sat Mar 25 15:22:04 EST 2006