Circumstellar Matter in Direct Impact Algol Systems

Details Circumstellar Matter in Direct Impact Algol Systems Circumstellar Matter in Direct Impact Algol Systems

Feb 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ap%26ss.224..415a&link_type=abstract

Astrophysics and Space Science, Volume 224, Issue 1-2, pp. 415-416

Astronomy and Astrophysics

Astrophysics

2

Stars: Algol Variables

Scientific paper

Full-orbit Hα observations have been analyzed to determine the two-dimensional distribution of the circumstellar gas in the four short-period Algols, U Sge, U CrB, RS Vul, and SW Cyg. In these systems, the gas stream resulting from Roche-lobe overflow directly impacts the mass-gaining star and feeds material into a structure known as a ‘transient accretion disk’. The accretion regions observed in these systems include a transient accretion disk that at least partially surrounds the mass gainer, the gas stream, and possibly a chromospheric component associated with the magnetically active cool star.

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