The systematic detection of magnetic fields in the descendants of massive OB stars

Details The systematic detection of magnetic fields in the descendants of massive OB stars The systematic detection of magnetic fields in the descendants of massive OB stars

2010-12-10

arxiv.org/abs/1012.2362v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

4 pages, 3 figures, to appear in the proceedings of Magnetic Stars 2010

Scientific paper

We present the results of an ongoing survey of cool, late-type supergiants - the descendants of massive O- and B-type stars - that has systematically detected magnetic fields in these stars using spectropolarimetric observations obtained with ESPaDOnS at the Canada-France-Hawaii Telescope. Our observations reveal detectable, often complex, Stokes V Zeeman signatures in Least-Squares Deconvolved mean line profiles in a significant fraction of the observed sample of ~30 stars.

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