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X-ray emission in wind instability simulations (1994)

Cooper, R. G. ; Owocki, S. P.

Springer

Astrophysics and space science 221 (1994), S. 427-435

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Details

ISSN: 1572-946X

Schlagwort(e): X-rays ; Winds ; Hot Stars

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract We estimate X-ray emission by shock-heated regions in hot star winds, using temperature and density profiles calculated by time-dependent dynamical models; the shocks result from the instability of the line scattering force that drives the wind. For main sequence late O and early B stars, the model X-ray flux is generally well below the observed flux, though the shape of the model spectrum is approximately consistent with observations. For the early O supergiantζ Pup, the model spectral shape again agrees with observation; the total flux predicted by models is well above the observed flux, though significant uncertainties remain.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01091172

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