Photometric and spectroscopic observations of V834 CEN

Details Photometric and spectroscopic observations of V834 CEN Photometric and spectroscopic observations of V834 CEN

Apr 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aca....43..149k&link_type=abstract

Acta Astronomica (ISSN 0001-5237), vol. 43, no. 2, p. 149-160.

Astronomy and Astrophysics

Astronomy

Cataclysmic Variables, Magnetic Stars, Stellar Spectrophotometry, Emission Spectra, H Alpha Line, Radial Velocity, Spectral Line Width, Stellar Luminosity

Scientific paper

Presented are photometric and spectroscopic (on two nights simultaneous) observations of V834 Cen, obtained during a period when the system was passing from low to high state. Observed variations of brightness, radial velocities, and emission line shapes are consistent with formerly proposed models of the system. In observed low state, characterized by particularly faint luminosity, no orbital modulation of brightness was present. The hydrogen, helium, and ionized calcium emission lines show very similar radial velocity curves, and most are probably produced in the same region of the binary.

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