Detection of the compressed primary stellar wind in eta Carinae

M. Teodoro; T. I. Madura; T. R. Gull; M. F. Corcoran; K. Hamaguchi

doi:10.1088/2041-8205/773/1/L16

Detection of the compressed primary stellar wind in eta Carinae

Solar and Stellar Astrophysics 2015-06-16 v2

Authors: M. Teodoro , T. I. Madura , T. R. Gull , M. F. Corcoran , K. Hamaguchi

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Abstract

A series of three HST/STIS spectroscopic mappings, spaced approximately one year apart, reveal three partial arcs in [Fe II] and [Ni II] emissions moving outward from eta Carinae. We identify these arcs with the shell-like structures, seen in the 3D hydrodynamical simulations, formed by compression of the primary wind by the secondary wind during periastron passages.

Keywords

stellar wind eta Carinae HST/STIS spectroscopy hydrodynamical simulation periastron passage

Cite

@article{arxiv.1307.3244,
  title  = {Detection of the compressed primary stellar wind in eta Carinae},
  author = {M. Teodoro and T. I. Madura and T. R. Gull and M. F. Corcoran and K. Hamaguchi},
  journal= {arXiv preprint arXiv:1307.3244},
  year   = {2015}
}

Comments

Accepted for publication in the Astrophysical Journal Letters

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