TDRSS lightcurve for Trigger=458918

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 08 Aug 11 06:19:52 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     458918,   Seg_Num: 0
GRB_RA:           57.264d {+03h 49m 03s} (J2000),
                  57.360d {+03h 49m 26s} (current),
                  56.851d {+03h 47m 24s} (1950)
GRB_DEC:         -44.179d {-44d 10' 42"} (J2000),
                 -44.144d {-44d 08' 36"} (current),
                 -44.330d {-44d 19' 47"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       23572 [cnts]    Image_Peak=426 [image_cnts]
TRIGGER_DUR:     8.192 [sec] 
TRIGGER_INDEX:   477     E_range: 25-100 keV
BKG_INTEN:       170331 [cnts]
BKG_TIME:        22640.76 SOD {06:17:20.76} UT
BKG_DUR:         64 [sec]
GRB_DATE:        15781 TJD;   220 DOY;   11/08/08
GRB_TIME:        22734.20 SOD {06:18:54.20} UT
GRB_PHI:         170.26 [deg]
GRB_THETA:        29.28 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     10.00 [sigma]
IMAGE_SIGNIF:    7.19 [sigma]
MERIT_PARAMS:     +1  +0  +0  +3  +2  -3  +0  +0  +8  +0 
SUN_POSTN:       137.85d {+09h 11m 23s}  +16.22d {+16d 13' 20"}
SUN_DIST:         94.63 [deg]   Sun_angle= 5.4 [hr] (West of Sun)
MOON_POSTN:      246.65d {+16h 26m 37s}  -22.96d {-22d 57' 41"}
MOON_DIST:       112.36 [deg]
MOON_ILLUM:      70 [%]
GAL_COORDS:      250.54,-50.69 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       35.47,-61.56 [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 = 62.92,-19.23 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 08 Aug 11 06:37:11 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     458918,   Seg_Num: 0
GRB_RA:           57.264d {+03h 49m 03s} (J2000),
                  57.360d {+03h 49m 26s} (current),
                  56.851d {+03h 47m 24s} (1950)
GRB_DEC:         -44.179d {-44d 10' 42"} (J2000),
                 -44.144d {-44d 08' 36"} (current),
                 -44.330d {-44d 19' 47"} (1950)
GRB_DATE:        15781 TJD;   220 DOY;   11/08/08
GRB_TIME:        22734.20 SOD {06:18:54.20} UT
TRIGGER_INDEX:   477
GRB_PHI:         170.26 [deg]
GRB_THETA:        29.28 [deg]
DELTA_TIME:      -63.00 [sec]
TRIGGER_DUR:     8.192 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     10.00 [sigma]
IMAGE_SIGNIF:    7.19 [sigma]
LC_URL:          sw00458918000msb.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 Aug  8 02:39:08 EDT 2011