Effective Temperatures of Cataclysmic Variable White Dwarfs as a Probe of their Evolution

A. F. Pala, B. T. Gänsicke, D. Townsley +29

We present HST spectroscopy for 45 cataclysmic variables (CVs), observed with HST/COS and HST/STIS. For 36 CVs, the white dwarf is recognisable through its broad Ly$\alpha$ absorption p…