TDRSS lightcurve for Trigger=640584

Notes:

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

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 13 May 15 20:31:53 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     640584,   Seg_Num: 0
GRB_RA:           49.058d {+03h 16m 14s} (J2000),
                  49.227d {+03h 16m 55s} (current),
                  48.506d {+03h 14m 02s} (1950)
GRB_DEC:         -22.913d {-22d 54' 45"} (J2000),
                 -22.857d {-22d 51' 24"} (current),
                 -23.096d {-23d 05' 45"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       6437 [cnts]    Image_Peak=213 [image_cnts]
TRIGGER_DUR:     2.048 [sec] 
TRIGGER_INDEX:   262     E_range: 25-100 keV
BKG_INTEN:       65867 [cnts]
BKG_TIME:        73842.42 SOD {20:30:42.42} UT
BKG_DUR:         24 [sec]
GRB_DATE:        17155 TJD;   133 DOY;   15/05/13
GRB_TIME:        73879.73 SOD {20:31:19.73} UT
GRB_PHI:         -28.46 [deg]
GRB_THETA:        35.23 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     14.24 [sigma]
IMAGE_SIGNIF:    7.43 [sigma]
MERIT_PARAMS:     +1  +0  +0  +1  +2  -2 -100  +0 -75  +0 
SUN_POSTN:        50.36d {+03h 21m 27s}  +18.46d {+18d 27' 41"}
SUN_DIST:         41.33 [deg]   Sun_angle= 0.1 [hr] (West of Sun)
MOON_POSTN:      354.73d {+23h 38m 56s}   -1.00d {-00d 59' 58"}
MOON_DIST:        57.19 [deg]
MOON_ILLUM:      24 [%]
GAL_COORDS:      213.73,-57.04 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       38.70,-39.34 [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 = 213.12,-15.17 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 13 May 15 20:48:05 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     640584,   Seg_Num: 0
GRB_RA:           49.058d {+03h 16m 14s} (J2000),
                  49.227d {+03h 16m 55s} (current),
                  48.506d {+03h 14m 02s} (1950)
GRB_DEC:         -22.913d {-22d 54' 45"} (J2000),
                 -22.857d {-22d 51' 24"} (current),
                 -23.096d {-23d 05' 45"} (1950)
GRB_DATE:        17155 TJD;   133 DOY;   15/05/13
GRB_TIME:        73879.73 SOD {20:31:19.73} UT
TRIGGER_INDEX:   262
GRB_PHI:         -28.46 [deg]
GRB_THETA:        35.23 [deg]
DELTA_TIME:      -51.00 [sec]
TRIGGER_DUR:     2.048 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     14.24 [sigma]
IMAGE_SIGNIF:    7.43 [sigma]
LC_URL:          sw00640584000msb.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 May 13 16:48:24 EDT 2015