TDRSS lightcurve for Trigger=451794

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 20 Apr 11 22:42:24 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     451794,   Seg_Num: 0
GRB_RA:          320.049d {+21h 20m 12s} (J2000),
                 320.229d {+21h 20m 55s} (current),
                 319.250d {+21h 17m 00s} (1950)
GRB_DEC:         -41.264d {-41d 15' 51"} (J2000),
                 -41.216d {-41d 12' 57"} (current),
                 -41.477d {-41d 28' 35"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       422 [cnts]    Image_Peak=56 [image_cnts]
TRIGGER_DUR:     0.032 [sec] 
TRIGGER_INDEX:   10319     E_range: 25-100 keV
BKG_INTEN:       25324 [cnts]
BKG_TIME:        81721.12 SOD {22:42:01.12} UT
BKG_DUR:         8 [sec]
GRB_DATE:        15671 TJD;   110 DOY;   11/04/20
GRB_TIME:        81731.68 SOD {22:42:11.68} UT
GRB_PHI:         129.28 [deg]
GRB_THETA:        32.37 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     34.19 [sigma]
IMAGE_SIGNIF:    8.11 [sigma]
MERIT_PARAMS:     +1  +0  +0  -5  +2  -2  +0  +0 -14  +0 
SUN_POSTN:        28.39d {+01h 53m 34s}  +11.65d {+11d 38' 48"}
SUN_DIST:         81.89 [deg]   Sun_angle= 4.5 [hr] (West of Sun)
MOON_POSTN:      247.63d {+16h 30m 30s}  -23.28d {-23d 16' 32"}
MOON_DIST:        62.16 [deg]
MOON_ILLUM:      89 [%]
GAL_COORDS:        0.55,-44.84 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      309.25,-24.40 [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 = 245.19,1.04 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 20 Apr 11 22:59:00 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     451794,   Seg_Num: 0
GRB_RA:          320.049d {+21h 20m 12s} (J2000),
                 320.229d {+21h 20m 55s} (current),
                 319.250d {+21h 17m 00s} (1950)
GRB_DEC:         -41.264d {-41d 15' 51"} (J2000),
                 -41.216d {-41d 12' 57"} (current),
                 -41.477d {-41d 28' 35"} (1950)
GRB_DATE:        15671 TJD;   110 DOY;   11/04/20
GRB_TIME:        81731.71 SOD {22:42:11.71} UT
TRIGGER_INDEX:   10319
GRB_PHI:         129.28 [deg]
GRB_THETA:        32.37 [deg]
DELTA_TIME:      61.00 [sec]
TRIGGER_DUR:     0.032 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     34.19 [sigma]
IMAGE_SIGNIF:    8.11 [sigma]
LC_URL:          sw00451794000msb.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

Extended TDRSS lc No.3

Extended TDRSS lc No.4

Plot creation:
Wed Apr 20 18:59:26 EDT 2011