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The Method of Spectra Disentangling and Its Links to Doppler Tomography

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Astrotomography

Part of the book series: Lecture Notes in Physics ((LNP,volume 573))

Abstract

The method of spectra disentangling fits time series of spectra of multiple stellar systems by a superposition of a priori unknown spectra of component stars with Doppler shifts due to orbital motion with orbital parameters not known in advance. The first part of this general problem - the decomposition of spectra using known radial velocities - was previously solved by the method of tomographic separation. The other part - the measurement of radial velocities for known component spectra - was best solved by the cross-correlation technique. The method of Fourier disentangling solves simultaneously both parts of this problem in a very effective way. It is shown here that its principle can also be used for Doppler tomography.

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Author information

Authors and Affiliations

  1. Physics Institute, NTNU, Trondheim, Norway

    P. Hadrava

  2. Astronomical Institute of the Academy of Sciences of the Czech Republic, 251 65, Ondřejov, Czech Republic

    P. Hadrava

Authors
  1. P. Hadrava
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Editor information

Editors and Affiliations

  1. Royal Observatory of Belgium, Avenue Circulaire, 3, 1180, Brussels, Belgium

    Henri M.J. Boffin  & Jan Cuypers  & 

  2. Department of Physics and Astronomy, University of Southampton, Highfield, SO17 1BJ, Southampton, UK

    Danny Steeghs

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© 2001 Springer-Verlag Berlin Heidelberg

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Hadrava, P. (2001). The Method of Spectra Disentangling and Its Links to Doppler Tomography. In: Boffin, H.M., Cuypers, J., Steeghs, D. (eds) Astrotomography. Lecture Notes in Physics, vol 573. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45339-3_19

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  • DOI: https://doi.org/10.1007/3-540-45339-3_19

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-42213-6

  • Online ISBN: 978-3-540-45339-0

  • eBook Packages: Springer Book Archive

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