Spectroscopic Tomography of a Wind-Collision Region

Conference paper
Part of the Astrophysics and Space Science Proceedings book series (ASSSP, volume 37)

Abstract

Changes in the P Cygni profile of the 1.083-μm He I line in the spectrum of the colliding-wind Wolf-Rayet system WR140 as it passes through periastron passage allow us to map the region where the fast winds of the WC7 and O5 stars collide.

Keywords

Stellar Wind Orbital Phase Fast Wind Broad Emission Line Kinetic Power 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  • Peredur Williams
    • 1
  • Watson Varricatt
    • 2
  • Andy Adamson
    • 2
  1. 1.Institute for astronomyUniversity of EdinburghEdinburghUK
  2. 2.Joint Astronomy CentreHiloUSA

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