Low-state spectroscopy of V834 CEN (E1405-451)

Details Low-state spectroscopy of V834 CEN (E1405-451) Low-state spectroscopy of V834 CEN (E1405-451)

May 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mnras.244p..20p&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 244, May 15, 1990, p. 20P-25P. Research supported by th

Astronomy and Astrophysics

Astronomy

16

Absorption Spectra, Astronomical Spectroscopy, Cataclysmic Variables, Stellar Mass Accretion, Companion Stars, Light Curve, Photosphere, Red Dwarf Stars, Stellar Magnetic Fields, White Dwarf Stars

Scientific paper

Zeeman absorption components are detected in the spectrum of the polar system V834 Cen during a low state. Their wavelengths indicate that they are formed in a region with a mean magnetic field strength of 22MG. The data can be fitted with a uniform effective temperature photospheric model which suggests a field strength at the magnetic pole of between 26 and 28MG. The spectral signature of the mass-donating companion star is detected in the red, and it has a spectral type of approximately dM6.5. The distance of the system is found to be greater than about 70 pc.

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