TDRSS lightcurve for Trigger=350853

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 29 Apr 09 05:16:20 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     350853,   Seg_Num: 0
GRB_RA:           90.559d {+06h 02m 14s} (J2000),
                  90.611d {+06h 02m 27s} (current),
                  90.280d {+06h 01m 07s} (1950)
GRB_DEC:         -52.386d {-52d 23' 09"} (J2000),
                 -52.387d {-52d 23' 11"} (current),
                 -52.384d {-52d 23' 01"} (1950)
GRB_ERROR:       4.00 [arcmin radius, statistical only]
GRB_INTEN:       4250 [cnts]    Image_Peak=140 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   146     E_range: 25-100 keV
BKG_INTEN:       28961 [cnts]
BKG_TIME:        17603.30 SOD {04:53:23.30} UT
BKG_DUR:         8 [sec]
GRB_DATE:        14950 TJD;   119 DOY;   09/04/29
GRB_TIME:        17619.87 SOD {04:53:39.87} UT
GRB_PHI:         -26.67 [deg]
GRB_THETA:        14.52 [deg]
SOLN_STATUS:     0x4083
RATE_SIGNIF:     8.30 [sigma]
IMAGE_SIGNIF:    5.64 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  -5  +0  +0 -14  +1 
SUN_POSTN:        36.64d {+02h 26m 34s}  +14.51d {+14d 30' 20"}
SUN_DIST:         81.42 [deg]   Sun_angle= -3.6 [hr] (East of Sun)
MOON_POSTN:       94.40d {+06h 17m 35s}  +26.02d {+26d 01' 03"}
MOON_DIST:        78.47 [deg]
MOON_ILLUM:      21 [%]
GAL_COORDS:      260.21,-28.48 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       91.39,-75.82 [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 was originally a SubThreshold, but now has been converted to a real GRB Position.  
COMMENTS:        This trigger occurred at longitude,latitude = 176.16,-19.41 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 29 Apr 09 05:16:41 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     350853,   Seg_Num: 0
GRB_RA:           90.559d {+06h 02m 14s} (J2000),
                  90.611d {+06h 02m 27s} (current),
                  90.280d {+06h 01m 07s} (1950)
GRB_DEC:         -52.386d {-52d 23' 09"} (J2000),
                 -52.387d {-52d 23' 11"} (current),
                 -52.384d {-52d 23' 01"} (1950)
GRB_DATE:        14950 TJD;   119 DOY;   09/04/29
GRB_TIME:        17619.87 SOD {04:53:39.87} UT
TRIGGER_INDEX:   146
GRB_PHI:         -26.67 [deg]
GRB_THETA:        14.52 [deg]
DELTA_TIME:      -56.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x883
RATE_SIGNIF:     8.30 [sigma]
IMAGE_SIGNIF:    5.64 [sigma]
LC_URL:          sw00350853000msb.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

Plot creation:
Wed Apr 29 01:18:32 EDT 2009