The surprising X-ray emission of Oe stars

Yael Nazé, Gregor Rauw, Asif Ud-Doula

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Oe stars are thought to represent an extension of the Be phenomenon to higher temperatures. Dedicated XMM observations of HD155806 revealed a surprising X-ray spectrum: soft character, absence of overluminosity, broad X-ray lines. These properties are fully compatible with the wind-shock model, which usually explains the X-rays from "normal", single O-type stars. In contrast, some other Oe/Be stars display a completely different behaviour at high energies.

Original languageEnglish (US)
Title of host publicationActive OB stars
Subtitle of host publicationstructure, evolution, mass loss, and critical limits
PublisherCambridge University Press
Number of pages2
ISBN (Print)9780521198400
StatePublished - Jul 2010

Publication series

NameProceedings of the International Astronomical Union
ISSN (Print)1743-9213
ISSN (Electronic)1743-9221

All Science Journal Classification (ASJC) codes

  • Medicine (miscellaneous)
  • Astronomy and Astrophysics
  • Nutrition and Dietetics
  • Public Health, Environmental and Occupational Health
  • Space and Planetary Science


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