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  Asteroseismic modelling of the Binary HD 176465

Nsamba, B., Monteiro, M. J. P. F. G., Campante, T. L., Reese, D. R., White, T. R., Hernández, A. G., et al. (2017). Asteroseismic modelling of the Binary HD 176465. In EPJ Web of Conferences: Seismology of the Sun and the Distant Stars 2016 – Using Today’s Successes to Prepare the Future. doi:10.1051/epjconf/201716005010.

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 Urheber:
Nsamba, B., Autor
Monteiro, M. J. P. F. G., Autor
Campante, T. L., Autor
Reese, D. R., Autor
White, T. R.1, Autor           
Hernández, A. García, Autor
Jiang, C., Autor
Affiliations:
1Department Solar and Stellar Interiors, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832287              

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Schlagwörter: Asteroseismology – Stars / fundamental parameters – Stars / individual / HD 176465
 Zusammenfassung: The detection and analysis of oscillations in binary star systems is critical in understanding stellar structure and evolution. This is partly because such systems have the same initial chemical composition and age. Solar-like oscillations have been detected by Kepler in both components of the asteroseismic binary HD 176465. We present an independent modelling of each star in this binary system. Stellar models generated using MESA (Modules for Experiments in Stellar Astrophysics) were fitted to both the observed individual frequencies and complementary spectroscopic parameters. The individual theoretical oscillation frequencies for the corresponding stellar models were obtained using GYRE as the pulsation code. A Bayesian approach was applied to find the probability distribution functions of the stellar parameters using AIMS (Asteroseismic Inference on a Massive Scale) as the optimisation code. The ages of HD 176465 A and HD 176465 B were found to be 2.81 ± 0.48 Gyr and 2.52 ± 0.80 Gyr, respectively. These results are in agreement when compared to previous studies carried out using other asteroseismic modelling techniques and gyrochronology.

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Sprache(n): eng - English
 Datum: 2018-05-072017
 Publikationsstatus: Online veröffentlicht
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1051/epjconf/201716005010
 Art des Abschluß: -

Veranstaltung

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Titel: TASC2 & KASC9 Workshop – SPACEINN & HELAS8 Conference
Veranstaltungsort: Açores Islands, Portugal
Start-/Enddatum: 2016-07-11 - 2016-07-15

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Titel: EPJ Web of Conferences: Seismology of the Sun and the Distant Stars 2016 – Using Today’s Successes to Prepare the Future
Genre der Quelle: Konferenzband
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 160 Artikelnummer: UNSP 05010 Start- / Endseite: - Identifikator: -