AM Herculis - A highly magnetized accreting white dwarf

Details AM Herculis - A highly magnetized accreting white dwarf AM Herculis - A highly magnetized accreting white dwarf

Apr 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977mnras.179p...9f&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 179, Apr. 1977, p. 9P-13P. Research supported by IBM.

Astronomy and Astrophysics

Astronomy

9

Magnetic Stars, Novae, Stellar Mass Accretion, Stellar Models, White Dwarf Stars, X Ray Sources, Circular Polarization, Light Curve, Polarized Light, Radial Velocity, Stellar Rotation

Scientific paper

The properties of the soft X-ray source AM Herculis are discussed in terms of a dwarf-novalike model. The soft X-rays are produced by accretion onto a white dwarf, and the optical circular polarization is due to cyclotron radiation in a magnetic field of the order of 100 million G. The relative phasing of the X-ray and optical light curves, the linear and circular polarization, and the radial velocity curve are explained in terms of a hot spot or 'scattering wall'. The white dwarf spins rapidly with a period of the order of one minute.

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