TDRSS lightcurve for Trigger=450884

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 07 Apr 11 14:07:59 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     450884,   Seg_Num: 0
GRB_RA:          185.997d {+12h 23m 59s} (J2000),
                 186.139d {+12h 24m 33s} (current),
                 185.364d {+12h 21m 27s} (1950)
GRB_DEC:         +15.718d {+15d 43' 04"} (J2000),
                 +15.655d {+15d 39' 20"} (current),
                 +15.995d {+15d 59' 41"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=3064 [image_cnts]
TRIGGER_DUR:     64.000 [sec] 
TRIGGER_INDEX:   20000     E_range: 15-50 keV
BKG_INTEN:       0 [cnts]
BKG_TIME:        0.00 SOD {00:00:00.00} UT
BKG_DUR:         0 [sec]
GRB_DATE:        15658 TJD;    97 DOY;   11/04/07
GRB_TIME:        50801.16 SOD {14:06:41.16} UT
GRB_PHI:         135.41 [deg]
GRB_THETA:        20.02 [deg]
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    14.72 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  +3  +0  +0 +90  +0 
SUN_POSTN:        16.05d {+01h 04m 13s}   +6.84d {+06d 50' 09"}
SUN_DIST:        155.46 [deg]   Sun_angle= -11.3 [hr] (East of Sun)
MOON_POSTN:       58.78d {+03h 55m 08s}  +22.48d {+22d 28' 49"}
MOON_DIST:       115.89 [deg]
MOON_ILLUM:      14 [%]
GAL_COORDS:      272.36, 76.93 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      179.07, 16.77 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This is an image trigger.  (The RATE_SIGNIF & BKG_{INTEN, TIME, DUR} are undefined.)  
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 = 149.86,-9.97 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 07 Apr 11 14:23:46 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     450884,   Seg_Num: 0
GRB_RA:          185.997d {+12h 23m 59s} (J2000),
                 186.139d {+12h 24m 33s} (current),
                 185.364d {+12h 21m 27s} (1950)
GRB_DEC:         +15.718d {+15d 43' 04"} (J2000),
                 +15.655d {+15d 39' 20"} (current),
                 +15.995d {+15d 59' 41"} (1950)
GRB_DATE:        15658 TJD;    97 DOY;   11/04/07
GRB_TIME:        50801.16 SOD {14:06:41.16} UT
TRIGGER_INDEX:   20000
GRB_PHI:         135.41 [deg]
GRB_THETA:        20.02 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x13
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    14.72 [sigma]
LC_URL:          sw00450884000msb.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:
Thu Apr  7 10:24:03 EDT 2011