TDRSS lightcurve for Trigger=517489

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 11 Mar 12 15:08:41 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     517489,   Seg_Num: 0
GRB_RA:          258.501d {+17h 14m 00s} (J2000),
                 258.673d {+17h 14m 42s} (current),
                 257.798d {+17h 11m 11s} (1950)
GRB_DEC:         -13.060d {-13d 03' 34"} (J2000),
                 -13.073d {-13d 04' 22"} (current),
                 -13.003d {-13d 00' 08"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       5253 [cnts]    Image_Peak=192 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   146     E_range: 25-100 keV
BKG_INTEN:       32312 [cnts]
BKG_TIME:        54472.01 SOD {15:07:52.01} UT
BKG_DUR:         8 [sec]
GRB_DATE:        15997 TJD;    71 DOY;   12/03/11
GRB_TIME:        54490.83 SOD {15:08:10.83} UT
GRB_PHI:          22.42 [deg]
GRB_THETA:        30.90 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     16.18 [sigma]
IMAGE_SIGNIF:    7.22 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  -3  +0  +1  +4  +0 
SUN_POSTN:       352.14d {+23h 28m 34s}   -3.39d {-03d 23' 26"}
SUN_DIST:         92.61 [deg]   Sun_angle= 6.2 [hr] (West of Sun)
MOON_POSTN:      212.53d {+14h 10m 08s}  -16.12d {-16d 06' 57"}
MOON_DIST:        44.67 [deg]
MOON_ILLUM:      86 [%]
GAL_COORDS:        9.52, 14.75 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      258.63,  9.93 [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 = 313.65,1.94 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 11 Mar 12 15:25:05 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     517489,   Seg_Num: 0
GRB_RA:          258.501d {+17h 14m 00s} (J2000),
                 258.673d {+17h 14m 42s} (current),
                 257.798d {+17h 11m 11s} (1950)
GRB_DEC:         -13.060d {-13d 03' 34"} (J2000),
                 -13.073d {-13d 04' 22"} (current),
                 -13.003d {-13d 00' 08"} (1950)
GRB_DATE:        15997 TJD;    71 DOY;   12/03/11
GRB_TIME:        54490.83 SOD {15:08:10.83} UT
TRIGGER_INDEX:   146
GRB_PHI:          22.42 [deg]
GRB_THETA:        30.90 [deg]
DELTA_TIME:      39.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     16.18 [sigma]
IMAGE_SIGNIF:    7.22 [sigma]
LC_URL:          sw00517489000msb.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 Mar 11 11:25:29 EDT 2012