Determining distances using asteroseismic methods

TL;DR

This paper introduces a new asteroseismic technique combining seismic data with the InfraRed Flux Method to accurately determine stellar properties and distances, validated against Hipparcos parallaxes.

Contribution

The paper presents a novel method that couples asteroseismic analysis with the InfraRed Flux Method for precise stellar parameter and distance estimation.

Findings

Distances agree within 5% with Hipparcos measurements

Method works for stars beyond the main-sequence

Validates against spectroscopic and interferometric data

Abstract

Asteroseismology has been extremely successful in determining the properties of stars in different evolutionary stages with a remarkable level of precision. However, to fully exploit its potential, robust methods for estimating stellar parameters are required and independent verification of the results is needed. In this talk, I present a new technique developed to obtain stellar properties by coupling asteroseismic analysis with the InfraRed Flux Method. Using two global seismic observables and multi-band photometry, the technique determines masses, radii, effective temperatures, bolometric fluxes, and thus distances for field stars in a self-consistent manner. Applying our method to a sample of solar-like oscillators in the {\it Kepler} field that have accurate {\it Hipparcos} parallaxes, we find agreement in our distance determinations to better than 5%. Comparison with measurements of spectroscopic effective temperatures and interferometric radii also validate our results, and show that our technique can be applied to stars evolved beyond the main-sequence phase.