In between β Lyrae and Algol: The Case Of V356 Sgr

Details In between β Lyrae and Algol: The Case Of V356 Sgr In between β Lyrae and Algol: The Case Of V356 Sgr

Apr 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005ap%26ss.296..189d&link_type=abstract

Astrophysics and Space Science, Volume 296, Issue 1-4, pp. 189-192

Astronomy and Astrophysics

Astrophysics

Binary Stars, Accretion Disk, V356 Sgr

Scientific paper

The eclipsing binary system V356 Sgr is of considerable interest, since it is probably at the very end of its mass transfer phase, i.e. between β Lyrae and Algol. Hence, the binary provides an opportunity to directly examine the exposed core of a star for signatures of nuclear burning, and to test stellar evolution models. The system is composed of an early B star accreting matter from a Roche-lobe filling A2 II star. Recently, with progress in the UV spectral region, significant revision of previous values for absolute parameters has been made. Therefore, we find it justified and important to present a new photometric solution. Our model is compared to an early disk model, and is discussed in the framework of mass transfer processes in this binary system.

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