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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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Observational Data: Detailed Characteristics in the Frequency Domain

Observational Data: Detailed Characteristics in the Frequency Domain

(p.100) 5 Observational Data: Detailed Characteristics in the Frequency Domain
Asteroseismic Data Analysis

Sarbani Basu

William J. Chaplin

Princeton University Press

This chapter details the frequency-domain properties of observational data on stars. It is from the analysis of the frequency spectrum of the observations that the asteroseismic parameters are usually extracted. The chapter looks at each of the intrinsic stellar contributions in turn, always with an eye to how each must be handled in the asteroseismic analysis. It also considers the impact on the analysis of gaps in the data. In performing the analyses, this chapter begins by covering practical fundamentals associated with estimation of the frequency spectra, which underpin everything that follows. In addition, this chapter will be making use of Fourier transforms in studying the data.

Keywords:   frequency-domain properties, time-domain data, observational data, stars, frequency spectrum, asteroseismic analysis, power spectrum

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