High-dispersion spectroscopy of the symbiotic star AX Per - A binary model with rapid mass accretion

Details High-dispersion spectroscopy of the symbiotic star AX Per - A binary model with rapid mass accretion High-dispersion spectroscopy of the symbiotic star AX Per - A binary model with rapid mass accretion

Dec 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.150..235i&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 150, no. 2, Dec. 1988, p. 235-250.

Astronomy and Astrophysics

Astrophysics

8

M Stars, Stellar Mass Accretion, Stellar Spectra, Symbiotic Stars, Absorption Spectra, Emission Spectra, Iron, Radial Velocity, Stellar Orbits

Scientific paper

Results of high-dispersion spectroscopy (≡10 Å mm-1) of the symbiotic star AX Per carried out in the years from 1979 to 1987 are reported. The observed results support a binary model of AX Per consisting of a rather massive (≡3 M_sun;) M-type giant and a Main-Sequence star (≡0.6 M_sun;). AX Per seems to be in an early stage of the Case C mass transfer, and the estimated very high mass accretion rate (≡10-4M_sun;yr-1) is consistent with the theoretical models.

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