TDRSS lightcurve for Trigger=518507

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 24 Mar 12 05:59:33 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     518507,   Seg_Num: 0
GRB_RA:          291.084d {+19h 24m 20s} (J2000),
                 291.212d {+19h 24m 51s} (current),
                 290.560d {+19h 22m 14s} (1950)
GRB_DEC:         +24.145d {+24d 08' 43"} (J2000),
                 +24.170d {+24d 10' 11"} (current),
                 +24.046d {+24d 02' 46"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       8094 [cnts]    Image_Peak=820 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   155     E_range: 50-350 keV
BKG_INTEN:       22802 [cnts]
BKG_TIME:        21535.97 SOD {05:58:55.97} UT
BKG_DUR:         8 [sec]
GRB_DATE:        16010 TJD;    84 DOY;   12/03/24
GRB_TIME:        21551.33 SOD {05:59:11.33} UT
GRB_PHI:         -160.94 [deg]
GRB_THETA:        30.92 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     89.93 [sigma]
IMAGE_SIGNIF:    19.05 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +3  +6  +0  +1 -28  +0 
SUN_POSTN:         3.67d {+00h 14m 42s}   +1.59d {+01d 35' 26"}
SUN_DIST:         73.37 [deg]   Sun_angle= 4.8 [hr] (West of Sun)
MOON_POSTN:       19.09d {+01h 16m 22s}  +11.85d {+11d 50' 47"}
MOON_DIST:        83.28 [deg]
MOON_ILLUM:      2 [%]
GAL_COORDS:       58.06,  4.03 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      297.96, 45.56 [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 = 359.12,-0.83 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 24 Mar 12 06:03:24 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     518507,   Seg_Num: 0
GRB_RA:          291.084d {+19h 24m 20s} (J2000),
                 291.212d {+19h 24m 51s} (current),
                 290.560d {+19h 22m 14s} (1950)
GRB_DEC:         +24.145d {+24d 08' 43"} (J2000),
                 +24.170d {+24d 10' 11"} (current),
                 +24.046d {+24d 02' 46"} (1950)
GRB_DATE:        16010 TJD;    84 DOY;   12/03/24
GRB_TIME:        21551.33 SOD {05:59:11.33} UT
TRIGGER_INDEX:   155
GRB_PHI:         -160.94 [deg]
GRB_THETA:        30.92 [deg]
DELTA_TIME:      64.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     89.93 [sigma]
IMAGE_SIGNIF:    19.05 [sigma]
LC_URL:          sw00518507000msb.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

Plot creation:
Sat Mar 24 02:04:29 EDT 2012