Solar-like Oscillations of the Red Giant ɛ Ophiuchi

Details Solar-like Oscillations of the Red Giant ɛ Ophiuchi Solar-like Oscillations of the Red Giant ɛ Ophiuchi

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008cha%26a..32..380l&link_type=abstract

Chinese Astronomy and Astrophysics, Volume 32, Issue 4, p. 380-387.

Astronomy and Astrophysics

Astrophysics

Scientific paper

Solar-like oscillations have recently been observed in the red giant ɛ Ophiuchi (G9.5III). The large frequency separation is found to be 4.8 μHz, non-radial oscillation mode has been shown to exist. Based on the observed frequency of oscillations and the position of ɛ Ophiuchi on the Hertzsprung-Russell diagram and by adopting a method of combined calculation of stellar evolution and oscillations, some preliminary constraints on the mass, metal abundance, age and radius of this star have been obtained.

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