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5 - A crash course on data analysis in asteroseismology

Published online by Cambridge University Press:  05 December 2013

By
Thierry Appourchaux
Edited by
Pere L. Pallé  and
César Esteban
Thierry Appourchaux
Affiliation:
Institut d'Astrophysique Spatiale
Pere L. Pallé
Affiliation:
Instituto de Astrofísica de Canarias, Tenerife
César Esteban
Affiliation:
Instituto de Astrofísica de Canarias, Tenerife
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Summary

“Throughout human history, as our species has faced the frightening, terrorizing fact that we do not know who we are or where we are going in this ocean of chaos, it has been the authorities – the political, the religious, the educational authorities – who have attempted to comfort us by giving us order, rules, regulations, informing – forming in our minds – their view of reality.

To think for yourself you must question authority and learn how to put yourself in a state of vulnerable open-mindedness, chaotic, confused vulnerability to inform yourself.”

Timothy Leary in Sound Bites from the Counter Culture (1989)

Introduction

This chapter attempts to provide a summary of the course I gave during the XXII Canary Island Winter School of Astrophysics. In no way should this chapter be perceived as the final answer to a problem. I hope that this chapter can serve as a basis for students and fellow scientists to go beyond what is written here. As in many approaches that I have pursued, this work is a snapshot of where I am and hopefully a possible starting point from which one can expand to other paths not yet ventured.

This chapter starts with a short historical introduction on signal processing and statistics or how our forefathers started doing data analysis more than 200 years ago. The second part is related to the sampling and acquisition of continuous physical signals for subsequent analysis in a digital world.

Type
Chapter
Information
Asteroseismology , pp. 123 - 162
Publisher: Cambridge University Press
Print publication year: 2014

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