TDRSS lightcurve for Trigger=458448

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 31 Jul 11 11:09:53 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     458448,   Seg_Num: 0
GRB_RA:          280.521d {+18h 42m 05s} (J2000),
                 280.704d {+18h 42m 49s} (current),
                 279.731d {+18h 38m 56s} (1950)
GRB_DEC:         -28.546d {-28d 32' 44"} (J2000),
                 -28.534d {-28d 32' 02"} (current),
                 -28.595d {-28d 35' 40"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       12883 [cnts]    Image_Peak=2317 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   146     E_range: 25-100 keV
BKG_INTEN:       21612 [cnts]
BKG_TIME:        40152.78 SOD {11:09:12.78} UT
BKG_DUR:         8 [sec]
GRB_DATE:        15773 TJD;   212 DOY;   11/07/31
GRB_TIME:        40170.45 SOD {11:09:30.45} UT
GRB_PHI:         175.32 [deg]
GRB_THETA:        16.25 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     180.74 [sigma]
IMAGE_SIGNIF:    24.57 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  +8  +0  +1 +87  +0 
SUN_POSTN:       130.33d {+08h 41m 20s}  +18.29d {+18d 17' 15"}
SUN_DIST:        151.04 [deg]   Sun_angle= -10.0 [hr] (East of Sun)
MOON_POSTN:      138.25d {+09h 13m 01s}  +11.80d {+11d 48' 12"}
MOON_DIST:       141.22 [deg]
MOON_ILLUM:      1 [%]
GAL_COORDS:        6.22,-10.72 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      279.27, -5.44 [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 = 150.61,-4.56 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 31 Jul 11 11:29:10 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     458448,   Seg_Num: 0
GRB_RA:          280.521d {+18h 42m 05s} (J2000),
                 280.704d {+18h 42m 49s} (current),
                 279.731d {+18h 38m 56s} (1950)
GRB_DEC:         -28.546d {-28d 32' 44"} (J2000),
                 -28.534d {-28d 32' 02"} (current),
                 -28.595d {-28d 35' 40"} (1950)
GRB_DATE:        15773 TJD;   212 DOY;   11/07/31
GRB_TIME:        40170.45 SOD {11:09:30.45} UT
TRIGGER_INDEX:   146
GRB_PHI:         175.32 [deg]
GRB_THETA:        16.25 [deg]
DELTA_TIME:      -5.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     180.74 [sigma]
IMAGE_SIGNIF:    24.57 [sigma]
LC_URL:          sw00458448000msb.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:
Sun Jul 31 07:29:44 EDT 2011