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A first asteroseismological analysis on WD J1916+3938, the ZZ Ceti star discovered in the Kepler mission field
Alejandro H. Córsico, Alejandra D. Romero, Leandro G. Althaus +1
Asteroseismology of DAV stars (ZZ Ceti variables) can provide valuable clues about the origin, structure and evolution of DA (atmospheres rich in H) white dwarfs. Recently, a new D…
Toward ensemble asteroseismology of ZZ Ceti stars with fully evolutionary models
Alejandra D. Romero, Alejandro H. Córsico, Leandro G. Althaus +3
ZZ Ceti stars form the most numerous group of degenerate variable stars. They are otherwise normal DA (H-rich atmospheres) white dwarfs that exhibit pulsations. Here, we present an…
Constraining the axion mass through the asteroseismology of the ZZ Ceti star G117-B15A
A. H. Córsico, L. G. Althaus, A. D. Romero +3
We perform an asteroseismological study on the DAV star G117-B15A on the basis of a modern set of fully evolutionary DA white dwarf models that have consistent chemical profiles at…