TDRSS lightcurve for Trigger=450257

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 29 Mar 11 18:32:04 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     450257,   Seg_Num: 0
GRB_RA:          251.177d {+16h 44m 42s} (J2000),
                 251.228d {+16h 44m 55s} (current),
                 250.952d {+16h 43m 48s} (1950)
GRB_DEC:         +57.594d {+57d 35' 40"} (J2000),
                 +57.574d {+57d 34' 27"} (current),
                 +57.685d {+57d 41' 05"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=4981 [image_cnts]
TRIGGER_DUR:     320.000 [sec]   (=5.3 [min])
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:        15649 TJD;    88 DOY;   11/03/29
GRB_TIME:        66385.19 SOD {18:26:25.19} UT
GRB_PHI:         -152.19 [deg]
GRB_THETA:         0.02 [deg]
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    10.73 [sigma]
MERIT_PARAMS:     +0  +0 +123  +6  +1  +0  +0  +0 +19  +0 
SUN_POSTN:         8.01d {+00h 32m 02s}   +3.46d {+03d 27' 24"}
SUN_DIST:        100.97 [deg]   Sun_angle= 7.8 [hr] (West of Sun)
MOON_POSTN:      317.13d {+21h 08m 32s}  -12.50d {-12d 30' 00"}
MOON_DIST:        88.22 [deg]
MOON_ILLUM:      20 [%]
GAL_COORDS:       86.73, 39.46 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      216.84, 77.52 [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 matches a source in the on-board catalog: Num=10701=IGRJ10043-8702,   delta=147.996 [deg].  
COMMENTS:        This matches a source in the ground catalog: sw1644p5734,   delta=0.020 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 172.58,-15.48 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 29 Mar 11 18:43:26 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     450257,   Seg_Num: 0
GRB_RA:          251.177d {+16h 44m 42s} (J2000),
                 251.228d {+16h 44m 55s} (current),
                 250.952d {+16h 43m 48s} (1950)
GRB_DEC:         +57.594d {+57d 35' 40"} (J2000),
                 +57.574d {+57d 34' 27"} (current),
                 +57.685d {+57d 41' 05"} (1950)
GRB_DATE:        15649 TJD;    88 DOY;   11/03/29
GRB_TIME:        66385.19 SOD {18:26:25.19} UT
TRIGGER_INDEX:   20000
GRB_PHI:         -152.19 [deg]
GRB_THETA:         0.02 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     320.000 [sec]   (=5.3 [min])
SOLN_STATUS:     0x11D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    10.73 [sigma]
LC_URL:          sw00450257000msb.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:
Tue Mar 29 14:43:47 EDT 2011