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"Stellar magnetism"

International Conference Proceedings,

1992 ,

127-132 .

M.Yu.

SKULSKI J

Lvi v Polytechnica l Institute, 290013 , L'viv, Ukrain e

ABSTRACT .

Brief results

of high

spectral

resolution observations

of

Lyr

and S/N ratio in the region of sented. The observations

and He I

7065 emission lines are prewith the CCD-2000 and CCD-580

were carried out

cameras at neration of

the 2.6 m Shain telescope. these line profiles of are

The main factors influencing the gerevealed. In particular, an evident

correlation of Doppler shifts

emission line centres upon phase variaintensity mass is detected. component accretion The structure of does in influence the close

tions of effective magnetic field magnetic field of the bright

and

losing

essentially binary system

the

pattern of matter

transfer

and

Lyr.

127