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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

Chapter:
(p.223) 7 Drawing Inferences from Average Seismic Parameters
Source:
Asteroseismic Data Analysis
Author(s):

Sarbani Basu

William J. Chaplin

Publisher:
Princeton University Press
DOI:10.23943/princeton/9780691162928.003.0007

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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