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ASCA BWAR Lac deconvolution

These images show the results of a deconvolution of the ASCA lightcurve taken of the 2 day RS CVn binary AR Lac and compared with a similar deconvolution of an EXOSAT lightcurve taken 9 yr earlier. The distribution of coronal material in the system can be seen. A large structure seems to join the two stars in the ASCA observation, which was less obvious 9 yr earlier.
 
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