Modeling the Corona of Ab Doradus

We present a model for the coronal topology of the active, rapidly rotating K0 dwarf, AB Doradus. Surface magnetic field maps obtained using a technique based on Zeeman Doppler imaging indicate the presence of a strong non-potential component near the pole of the star. The coronal topology is obtained by extrapolating these surface maps. The temperature and density in the corona are evaluated using an energy balance model. Emission measure distributions computed using our models compare favorably with observations. However, the density observed by EUVE, n e ≈ 10 13 cm −3 , at the emission measure peak temperature of 8 × 10 6 K remains difficult to explain satisfactorily.