SIMBAD references

2019MNRAS.482.1231J - Mon. Not. R. Astron. Soc., 482, 1231-1246 (2019/January-1)

Binary asteroseismic modelling: isochrone-cloud methodology and application to Kepler gravity mode pulsators.

JOHNSTON C., TKACHENKO A., AERTS C., MOLENBERGHS G., BOWMAN D.M., PEDERSEN M.G., BUYSSCHAERT B. and PAPICS P.I.

Abstract (from CDS):

The simultaneous presence of variability due to both pulsations and binarity is no rare phenomenon. Unfortunately, the complexities of dealing with even one of these sources of variability individually means that the other signal is often treated as a nuisance and discarded. However, both types of variability offer means to probe fundamental stellar properties in robust ways through asteroseismic and binary modelling. We present an efficient methodology that includes both binary and asteroseismic information to estimate fundamental stellar properties based on a grid-based modelling approach. We report parameters for three gravity mode pulsating Kepler binaries, such as mass, radius, age, as well the mass of the convective core and location of the overshoot region. We discuss the presence of parameter degeneracies and the way our methodology deals with them. We provide asteroseismically calibrated isochrone-clouds to the community; these are a generalization of isochrones when allowing for different values of the core overshooting in the two components of the binary.

Abstract Copyright: © 2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): asteroseismology - binaries: eclipsing - binaries: spectroscopic - stars: fundamental parameters - stars: interiors - stars: oscillations

Simbad objects: 7

goto Full paper

goto View the reference in ADS

To bookmark this query, right click on this link: simbad:2019MNRAS.482.1231J and select 'bookmark this link' or equivalent in the popup menu


2019.10.14-21:14:40

© Université de Strasbourg/CNRS

    • Contact