TDRSS lightcurve for Trigger=451165

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 11 Apr 11 19:34:32 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     451165,   Seg_Num: 0
GRB_RA:          291.437d {+19h 25m 45s} (J2000),
                 291.439d {+19h 25m 45s} (current),
                 291.428d {+19h 25m 43s} (1950)
GRB_DEC:         +67.732d {+67d 43' 55"} (J2000),
                 +67.755d {+67d 45' 18"} (current),
                 +67.630d {+67d 37' 49"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       4341 [cnts]    Image_Peak=169 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   137     E_range: 15-50 keV
BKG_INTEN:       27929 [cnts]
BKG_TIME:        70433.15 SOD {19:33:53.15} UT
BKG_DUR:         8 [sec]
GRB_DATE:        15662 TJD;   101 DOY;   11/04/11
GRB_TIME:        70451.84 SOD {19:34:11.84} UT
GRB_PHI:         -88.35 [deg]
GRB_THETA:        20.56 [deg]
SOLN_STATUS:     0x83
RATE_SIGNIF:     12.00 [sigma]
IMAGE_SIGNIF:    6.94 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +1  -3  +0  +0 -14  +0 
SUN_POSTN:        19.93d {+01h 19m 44s}   +8.41d {+08d 24' 23"}
SUN_DIST:         81.65 [deg]   Sun_angle= 5.9 [hr] (West of Sun)
MOON_POSTN:      116.89d {+07h 47m 32s}  +18.45d {+18d 26' 56"}
MOON_DIST:        93.70 [deg]
MOON_ILLUM:      54 [%]
GAL_COORDS:       99.13, 21.82 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       17.81, 81.64 [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:        Since the IMAGE_SIGNIF is less than 7 sigma, this is a questionable detection.  
COMMENTS:        This trigger occurred at longitude,latitude = 130.79,-17.27 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 11 Apr 11 19:54:37 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     451165,   Seg_Num: 0
GRB_RA:          291.437d {+19h 25m 45s} (J2000),
                 291.439d {+19h 25m 45s} (current),
                 291.428d {+19h 25m 43s} (1950)
GRB_DEC:         +67.732d {+67d 43' 55"} (J2000),
                 +67.755d {+67d 45' 18"} (current),
                 +67.630d {+67d 37' 49"} (1950)
GRB_DATE:        15662 TJD;   101 DOY;   11/04/11
GRB_TIME:        70451.84 SOD {19:34:11.84} UT
TRIGGER_INDEX:   137
GRB_PHI:         -88.35 [deg]
GRB_THETA:        20.56 [deg]
DELTA_TIME:      52.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x83
RATE_SIGNIF:     12.00 [sigma]
IMAGE_SIGNIF:    6.94 [sigma]
LC_URL:          sw00451165000msb.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:
Mon Apr 11 15:55:10 EDT 2011