The optical light curve of the AM Herculis system 2A 0311-227

Details The optical light curve of the AM Herculis system 2A 0311-227 The optical light curve of the AM Herculis system 2A 0311-227

Sep 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980mnras.192..689w&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 192, Sept. 1980, p. 689-696. Research supported by the Science Research

Astronomy and Astrophysics

Astronomy

12

Astronomical Photometry, Binary Stars, Light Curve, White Dwarf Stars, X Ray Sources, Electrophotometers, Emission Spectra, Extremely High Frequencies, Line Spectra, Linear Polarization, Magnetic Stars

Scientific paper

Optical V-band light curves of the AM Herculis binary 2A0311-227 are presented. These show two equal minima and two unequal maxima in each binary cycle as well as strong flickering on a short time-scale. The light curves are interpreted in terms of a model involving a phase-locked white dwarf with two active magnetic poles; unusually, the system appears to undergo star-by-star eclipses.

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