Accretion-powered symbiotic binaries: EG And and CQ Dra

Details Accretion-powered symbiotic binaries: EG And and CQ Dra Accretion-powered symbiotic binaries: EG And and CQ Dra

Aug 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aspc..330..463s&link_type=abstract

The Astrophysics of Cataclysmic Variables and Related Objects, Proceedings of ASP Conference Vol. 330. Edited by J.-M. Hameury a

Astronomy and Astrophysics

Astrophysics

5

Scientific paper

We present the 0.12 - 0.45 μ SED of two quiet symbiotic binaries, EG And and CQ Dra. We reconstructed the observed SED by a three-component-model of radiation to isolate the stellar and nebular contributions. This analysis showed that CQ Dra can definitely be considered as the symbiotic binary and not a CV in a wide binary. Our solution suggests that the sole energy source in both binaries is accretion from the giant's wind at the rate of a few × 10-8 M&sun; yr-1 for EG And and a few × 10-9 M&sun; yr-1 for CQ Dra.

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