The magnetic maw of 2A 0311-227

Details The magnetic maw of 2A 0311-227 The magnetic maw of 2A 0311-227

Jun 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...238..946s&link_type=abstract

Astrophysical Journal, Part 1, vol. 238, June 15, 1980, p. 946-954.

Astronomy and Astrophysics

Astrophysics

279

Binary Stars, Magnetic Stars, Stellar Magnetic Fields, Stellar Spectra, White Dwarf Stars, X Ray Sources, Emission Spectra, Line Spectra, Linear Polarization, Magnetic Dipoles, Polarization Characteristics, Radial Velocity

Scientific paper

A radial velocity study of the AM Herculis-type X-ray binary 2A 0311-227 was performed. Phase-dependent changes in profile were observed; the line bases have K = 430 km/s and the peaks have K = 240 km/s. The peaks have a phase lag of 25 deg relative to the bases, and the Balmer lines exhibit drastic changes in strength through the cycle in the sense that they are weak for large velocity displacements of the lines. It is suggested that the emission lines may arise from material in a magnetic funnel dropping onto the magnetic pole of a white dwarf.

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