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Tomographic Imaging of Stellar Surfaces and Interacting Binary Systems

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Astronomy at High Angular Resolution

Part of the book series: Astrophysics and Space Science Library ((ASSL,volume 439))

Abstract

In this chapter we provide an overview of tomographic techniques used to map the surfaces of single and binary stars. Brightness and magnetic field maps allow us to study surface activity, spot and magnetic field variability and map irradiation patterns on secondaries of cataclysmic variable systems (CVs). During the past few years, magnetic fields have been detected and studied on stars throughout the Hertzsprung-Russell diagram. Spectropolarimetric analyses using the technique of Zeeman Doppler Imaging have played a key role in this exploration. We briefly summarise the theoretical puzzles addressed in the field of stellar magnetic activity, discuss issues specific to spectropolarimetry and Zeeman Doppler Imaging, and present recent results. We also discuss how future instruments operating in the near infrared will contribute to the next advances, especially for M type dwarfs, brown dwarfs and young stars.

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Notes

  1. 1.

    The only exception recorded here being the chromospherically active star ξ Boo [10].

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  1. LUPM, Université de Montpellier & CNRS, Place Eugène Bataillon, 34095, Montpellier Cedex 05, France

    Julien Morin

  2. Astrophysics Research Centre, Queen’s University Belfast, BT7 1NN, Belfast, UK

    Colin Alastair Hill & Christopher Allan Watson

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  1. Julien Morin
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  1. ESO Vitacura, Santiago de Chile, Chile

    Henri M. J. Boffin

  2. ESO, Garching, Germany

    Gaitee Hussain

  3. ESO Vitacura, Santiago de Chile, Chile

    Jean-Philippe Berger

  4. ESO Vitacura, Santiago de Chile, Chile

    Linda Schmidtobreick

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Morin, J., Hill, C.A., Watson, C.A. (2016). Tomographic Imaging of Stellar Surfaces and Interacting Binary Systems. In: Boffin, H., Hussain, G., Berger, JP., Schmidtobreick, L. (eds) Astronomy at High Angular Resolution. Astrophysics and Space Science Library, vol 439. Springer, Cham. https://doi.org/10.1007/978-3-319-39739-9_12

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