The emission line profiles of 2A 0311 - 227

Details The emission line profiles of 2A 0311 - 227 The emission line profiles of 2A 0311 - 227

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985mnras.212..609m&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 212, Feb. 1, 1985, p. 609-621.

Astronomy and Astrophysics

Astronomy

18

Eclipsing Binary Stars, Emission Spectra, Line Shape, Stellar Spectra, Astronomical Maps, Light Curve, Line Spectra, Radial Velocity, Stellar Spectrophotometry, Velocity Distribution

Scientific paper

The authors have obtained time resolved spectrophotometry of the AM Her-type system 2A 0311-227 (=EF Eri) in 1983 February. The velocities of the complex emission-line profiles are deduced from multicomponent fits and three distinct emitting regions are identified, although their location within the system is unclear. The overall behaviour of 2A 0311-227 is compared with the observations of Bailey and Ward in 1979 indicating that much of the structure is highly stable and therefore a permanent feature of the mass-transfer process.

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