Oscillatory convective modes in red giants: A possible explanation of the long secondary periods
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Saio, H; Wood, Peter R; Takayama, Kazuyoshi; Ita, Yoshifusa
Description
We discuss properties of oscillatory convective modes in low-mass red giants, and compare them with observed properties of the long secondary periods (LSPs) of semiregular red giant variables. Oscillatory convective modes are very non-adiabatic g− modes and they are present in luminous stars, such as red giants with log L/L⊙ ≳ 3. Finite amplitudes for these modes are confined to the outermost non-adiabatic layers, where the radiative energy flux is more important than the convective energy...[Show more]
Collections | ANU Research Publications |
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Date published: | 2015 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/103430 |
Source: | Monthly Notices of the Royal Astronomical Society |
DOI: | 10.1093/mnras/stv1587 |
Access Rights: | Open Access |
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01_Saio_Oscillatory_convective_modes_2015.pdf | 2.49 MB | Adobe PDF |
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