The mysterious high-latitude O-star HD 93521: new results from XMM-Newton observations

Details The mysterious high-latitude O-star HD 93521: new results from XMM-Newton observations The mysterious high-latitude O-star HD 93521: new results from XMM-Newton observations

Jul 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011iaus..272..612r&link_type=abstract

Active OB stars: structure, evolution, mass loss, and critical limits, Proceedings of the International Astronomical Union, IAU

Astronomy and Astrophysics

Astronomy

Stars: Early-Type, Stars: Individual (Hd 93521), X-Rays: Stars

Scientific paper

The O9.5 Vp star HD 93521 is a well known non-radial pulsator located at
a high Galactic latitude. The nature (Population I vs. II) of this star
has been the subject of controversy for many years. We report on an
XMM-Newton observation of the star that sheds new light on its nature.

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