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Asteroseismic Data AnalysisFoundations and Techniques$
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Sarbani Basu and William J. Chaplin

Print publication date: 2017

Print ISBN-13: 9780691162928

Published to Princeton Scholarship Online: May 2018

DOI: 10.23943/princeton/9780691162928.001.0001

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Drawing Inferences from Average Seismic Parameters

Drawing Inferences from Average Seismic Parameters

(p.223) 7 Drawing Inferences from Average Seismic Parameters
Asteroseismic Data Analysis

Sarbani Basu

William J. Chaplin

Princeton University Press

This chapter determines stellar properties from seismic data. It discusses how the average seismic properties discussed in the previous chapters are used in determining the mass and radius of a star. The chapter provides two ways of determining stellar properties: the “direct method” and grid-based modeling. The first method produces a set of model-independent results derived from a set of equations. On the other hand, the grid-based model, which can make up for the shortcomings of the direct method, derives its results from a fairly dense grid of stellar models of different metallicities that cover a wide range of masses and evolutionary stages.

Keywords:   direct method, grid-based modeling, stellar properties, seismic properties, star mass, star radius

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