TDRSS lightcurve for Trigger=446674

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 23 Feb 11 20:59:19 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     446674,   Seg_Num: 0
GRB_RA:          345.599d {+23h 02m 24s} (J2000),
                 345.371d {+23h 01m 29s} (current),
                 346.451d {+23h 05m 48s} (1950)
GRB_DEC:         +87.567d {+87d 34' 03"} (J2000),
                 +87.628d {+87d 37' 39"} (current),
                 +87.297d {+87d 17' 50"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       8536 [cnts]    Image_Peak=229 [image_cnts]
TRIGGER_DUR:     2.048 [sec] 
TRIGGER_INDEX:   473     E_range: 25-100 keV
BKG_INTEN:       88584 [cnts]
BKG_TIME:        75385.30 SOD {20:56:25.30} UT
BKG_DUR:         24 [sec]
GRB_DATE:        15615 TJD;    54 DOY;   11/02/23
GRB_TIME:        75419.22 SOD {20:56:59.22} UT
GRB_PHI:          66.09 [deg]
GRB_THETA:        23.58 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     9.89 [sigma]
IMAGE_SIGNIF:    7.37 [sigma]
MERIT_PARAMS:     +1  +0  +0  +1  +2  -3  +0  +0 +12  +0 
SUN_POSTN:       336.73d {+22h 26m 56s}   -9.72d {-09d 42' 58"}
SUN_DIST:         97.37 [deg]   Sun_angle= -0.6 [hr] (East of Sun)
MOON_POSTN:      227.45d {+15h 09m 49s}  -21.20d {-21d 12' 17"}
MOON_DIST:       112.30 [deg]
MOON_ILLUM:      62 [%]
GAL_COORDS:      121.70, 24.96 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       83.95, 67.05 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This Notice was delayed by more than 60 sec past the end of the trigger integration interval;  
COMMENTS:        probably due to it occurring during a Malindi downlink session.  
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 = 258.35,20.22 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 23 Feb 11 21:13:59 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     446674,   Seg_Num: 0
GRB_RA:          345.599d {+23h 02m 24s} (J2000),
                 345.371d {+23h 01m 29s} (current),
                 346.451d {+23h 05m 48s} (1950)
GRB_DEC:         +87.567d {+87d 34' 03"} (J2000),
                 +87.628d {+87d 37' 39"} (current),
                 +87.297d {+87d 17' 50"} (1950)
GRB_DATE:        15615 TJD;    54 DOY;   11/02/23
GRB_TIME:        75419.22 SOD {20:56:59.22} UT
TRIGGER_INDEX:   473
GRB_PHI:          66.09 [deg]
GRB_THETA:        23.58 [deg]
DELTA_TIME:      -31.00 [sec]
TRIGGER_DUR:     2.048 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     9.89 [sigma]
IMAGE_SIGNIF:    7.37 [sigma]
LC_URL:          sw00446674000msb.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 Feb 23 16:14:03 EST 2011