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CVs: Open Issues
This has been an extremely active field in the last 3 decades. Many scientists addressing the issues, large amount of time devoted on observational facilities, large and small, on ground and in-orbit
Much is now understood about these systems, and many of the fundamental issues in these systems have been addressed (energy balance in Polars, disk-instabilities in non-magnetics, accretion curtains in IPs)
Mature field, which is developing around its boundaries:
ultra-compact systems are an important and exciting
new development
However: the effect of new facilities, particularly in the X-rays (XMM-Newton and Chandra) and UV (FUSE, XMM-OM) is only now beginning to be felt, also greater access to 8m telescopes on the ground
Þ we can still expect to learn a great deal