Proof for a Wind from the Hot Component in the Symbiotic System Eg-Andromedae

Details Proof for a Wind from the Hot Component in the Symbiotic System Eg-Andromedae Proof for a Wind from the Hot Component in the Symbiotic System Eg-Andromedae

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26a...274l..21v&link_type=abstract

Astronomy and Astrophysics, Vol. 274, NO. 1/JUL(I), P. L21, 1993

Astronomy and Astrophysics

Astrophysics

32

Stellar Winds, Eg And, Symbiotic Stars

Scientific paper

One of the most debated issue in symbiotic research concerns the nature of the hot component. In this Letter we give observational evidence that in the symbiotic binary EG And the hot compact star loses mass through a stellar wind. The wind velocity is ≍ 500 km s -1, and the mass loss rate is Mṡ ≍ 5 × 10-9 Msun/yr. Since the cool giant companion also sheds a wind, the two winds must collide, creating some high energy phenomena with a luminosity of ≍ 0.1 Lsun.

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