Spectroscopic Tomography of a Wind-Collision Region

  • Peredur Williams
  • Watson Varricatt
  • Andy Adamson
Conference paper
Part of the Astrophysics and Space Science Proceedings book series (ASSSP, volume 37)


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.


Stellar Wind Orbital Phase Fast Wind Broad Emission Line Kinetic Power 
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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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