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Other literature type . 2025
License: CC BY
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Conference object . 2025
License: CC BY
Data sources: Datacite
ZENODO
Conference object . 2025
License: CC BY
Data sources: Datacite
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Modeling Procyon A as a benchmark for F-type

Authors: Moedas, Nuno; Di Mauro, Maria Pia; Deal, Morgan;

Modeling Procyon A as a benchmark for F-type

Abstract

Procyon A is an early subgiant F-type star. It has a faint white dwarf companion, allowing a precise determination of the dynamical mass from asteroseismic measurements, where the main component has a stellar mass of 1.478 Msun. Procyon A was also one of the first stars to have an observed oscillation power spectrum other than the Sun. This provides us with a benchmark F-type star that can be used as a laboratory to test and validate the tools we have for characterizing F-type stars, from their stellar physics to the optimization methods we use. In this work, taking into account all the available data, I characterize Procyon A with MESA stellar models that include chemical transport mechanisms (gravitational settling and radiative acceleration) that are usually neglected in F-type stars for extreme surface chemical variations that are not expected in non-chemically peculiar stars. To avoid these extreme variations, I also considered turbulent mixing prescriptions. I also tested the accuracy of using the different seismic surface corrections in evaluating the seismic constraints during the optimization process.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green