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American Association for the Advancement of Science, Science, 6510(369), p. 1497-1500, 2020

DOI: 10.1126/science.abb1229

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(Sub)stellar companions shape the winds of evolved stars

Journal article published in 2020 by L. Decin ORCID, M. Montargès ORCID, A. M. S. Richards ORCID, C. A. Gottlieb, W. Homan ORCID, I. McDonald ORCID, I. El Mellah ORCID, T. Danilovich ORCID, S. H. J. Wallström ORCID, A. Zijlstra ORCID, A. Baudry ORCID, J. Bolte ORCID, E. Cannon ORCID, E. De Beck, F. De Ceuster ORCID and other authors.
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

Complex stellar winds from evolved stars Stars less than eight times the mass of the Sun end their lives as planetary nebulae, structures of ionized gas thrown off by the star and heated by the exposed stellar core. Planetary nebulae are often bipolar in shape or contain complex morphological features such as rings or spirals. Decin et al. observed the stellar winds of 14 stars during their asymptotic giant branch (AGB) phase of stellar evolution, which immediately precedes the planetary nebula phase. They found morphologies in the AGB winds similar to planetary nebulae and demonstrated that they are produced by the influence of a binary companion on the AGB wind. Science , this issue p. 1497