SIMBAD references

2004A&A...418..235G - Astronomy and Astrophysics, volume 418, 235-242 (2004/4-4)

Discovery of X-ray flaring on the magnetic Bp-star σ Ori E.

GROOTE D. and SCHMITT J.H.M.M.

Abstract (from CDS):

We report the detection of an X-ray flare on the Bp star σ Ori E with the ROSAT high resolution imager (HRI). The flare is shown to have likely occurred on the early-type star, rather than on an hypothesized late-type companion. We derive flare parameters such as total energy release, coarse estimates of size and density, and also present arguments for a magnetic origin of the flare. We place our observations in the context of a magnetic character of Bp-type stars and speculate on a common physical basis and connection between Bp and Be stars.

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Journal keyword(s): stars: chemically peculiar - stars: early-type - stars: flare - stars: individual: HD 37479 = σ Ori E - stars: magnetic fields - stars: winds, outflows

Simbad objects: 5

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