2010•AIP conference proceedingsRequires access

Accretion of clumpy wind in supergiant HMXBs

Lorenzo Ducci, L. Sidoli, Sandro Mereghetti, Patrizia Romano, Adamantia Paizis, A. Comastri, L. Angelini, M. Cappi

Abstract

We have developed a clumpy wind model for OB supergiants with both a spherical and a non spherical symmetry. We have explored the resulting effects of the accretion of such a wind onto a neutron star. We have applied this model to explain the observed X‐ray faring activity in both persistent and transient sources (Supergiant Fast X‐ray Transients).

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Key concepts: Supergiant, Physics, Astrophysics, Accretion (finance), Neutron star, Astronomy, Transient (computer programming), Stars