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 AR Lac light curve
An orbital lightcurve of the two-day eclipsing RS CVn system AR Lac from the
SISO and SIS1 detectors. The observation lasted for one orbital cycle. The
data are folded on the orbital period, and repeated for half a cycle. A
50 percent X-ray eclipse can be seen centered on the primary eclipse, and a
shallower, 20 percent X-ray minimum around the time of the secondary eclipse.
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