X-rays from magnetically channeled winds of OB stars
David H. Cohen (Swarthmore College)
TL;DR
This paper discusses how magnetic fields in OB stars channel stellar winds to produce strong X-ray emissions, using diagnostics applied to the young O star theta-1 Ori C.
Contribution
It introduces four X-ray diagnostics for the Magnetically Channeled Wind Shock mechanism in OB stars, with specific application to theta-1 Ori C.
Findings
X-ray emissions are linked to magnetic wind channeling in OB stars.
Diagnostics confirm the MCWS mechanism in theta-1 Ori C.
Strong, hard X-ray emission observed in magnetic OB stars.
Abstract
OB stars with strong radiation-driven stellar winds and large-scale magnetic fields generate strong and hard X-ray emission via the Magnetically Channeled Wind Shock (MCWS) mechanism. In this brief paper, I describe four separate X-ray diagnostics of the MCWS mechanism in OB stars, with applications to the prototype young O star, theta-1 Ori C.
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Taxonomy
TopicsStellar, planetary, and galactic studies · Astrophysical Phenomena and Observations · Astrophysics and Star Formation Studies