Free Access
Issue
A&A
Volume 434, Number 2, May I 2005
Page(s) 665 - 669
Section Stellar structure and evolution
DOI https://doi.org/10.1051/0004-6361:20041957


A&A 434, 665-669 (2005)
DOI: 10.1051/0004-6361:20041957

The ratio of small to large separations of stellar p-modes

I. W. Roxburgh1, 2

1  Astronomy Unit, Queen Mary, University of London, Mile End Road, London E1 4NS, UK
    e-mail: i.w.roxburgh@qmul.ac.uk
2  LESIA, Observatoire de Paris, Place Jules Janssen, 92195 Meudon, France

(Received 6 September 2004 / Accepted 23 December 2004)

Abstract
In previous papers we showed that the ratios of the small to large separations of acoustic oscillations in solar-like stars are approximately independent of the structure of the outer layers, and are therefore diagnostics of the interior structure alone. Here we present similar results for a range stellar models of mass $0.8, 1.0, 1.2, 1.5, 2, 10~ M_\odot$, all of which show this same property.


Key words: stars: oscillations -- stars: interiors




© ESO 2005

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