Asterossismologia e espectroscopia de estrelas gigantes do Clump
The pulsation of the stars has become, from decades to now, one of the main mechanisms to obtain information about their interiors. With the advent of the missions, to understand how global parameters of star behaved in relation to the modes is crucial to the entire study of stellar evolution, es...
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| Formato: | doctoralThesis |
| Idioma: | pt_BR |
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Brasil
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| Endereço do item: | https://repositorio.ufrn.br/jspui/handle/123456789/27952 |
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| Resumo: | The pulsation of the stars has become, from decades to now, one of the main mechanisms
to obtain information about their interiors. With the advent of the missions, to understand
how global parameters of star behaved in relation to the modes is crucial to the entire
study of stellar evolution, especially in the Red Giant Branch. Many computational codes
use inferential statistics for gather information, all very peculiar to evolutionary states
since the main sequence until the asymptotic giant branch. Our work was to develop a tool
which will serve as a basis for new trials and works, within the Asteroseismology of Clump
stars, which obtain the values of maximum oscillation frequency and the separations
between these frequencies are pillars for stellar physical understanding. Herein to this, the
correct modeling associated with the inclusion of metallicity obtained from spectroscopy,
may generate changes, not yet fully understood in the seismic scales relations for mass and
radius. In this way, the study of seismology of Clump stars may be the key to a promising
scenario for Archeology Galactic and for the complete understanding of processes in the
stellar interior. |
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