Can different elements move with different velocities in a radiatively driven stellar wind?

Details Can different elements move with different velocities in a radiatively driven stellar wind? Can different elements move with different velocities in a radiatively driven stellar wind?

Sep 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007cxo..prop.2346o&link_type=abstract

Chandra Proposal ID #09200673

Computer Science

Chandra Proposal Id #09200673

Scientific paper

B-type stars of lower luminosity classes have relatively weak stellar winds. In this respect they resemble presumably the more massive, but metal-poor stars in the early Universe. Theory predicts that very thin stellar winds are multi-component fluids. The ions of iron group metals are accelerated by radiation pressure, but do not transfer their momentum to the bulk of material. This dynamical decoupling is not yet observationally confirmed. LETG HRC-S spectra of the X-ray brightest non-degenerate massive star alpha Cru will allow to detect different velocities of particle species in stellar wind. These observations will empirically confirm or disprove the effect of dynamical decoupling in a thin stellar wind.

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