Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977ap%26ss..52..169c&link_type=abstract
Astrophysics and Space Science, vol. 52, no. 1, Nov. 1977, p. 169-176. NASA-supported research.
Astronomy and Astrophysics
Astronomy
9
Algol, Binary Stars, Gas Streams, Mass Transfer, Stellar Mass Accretion, Stellar Mass Ejection, Absorption Spectra, Oao 3, Spaceborne Astronomy, Stellar Models
Scientific paper
Additional absorption features in the red wings of the Mg II resonance lines near 2800 A are found in observations of Algol made from the Copernicus satellite. The absorption features were clearly seen only during a part of the primary eclipse, in the phase interval 0.90-0.03. The observations are interpreted as being produced by a stream of matter flowing from Algol B in the direction of Algol A. The measured Doppler shifts of the features give the value of 150 km/s as the characteristic velocity of matter in the stream. The mass transfer connected with the stream is estimated to be of the order of 10 to the -13th power solar mass per year.
Chen Kuang Yao
Cugier H.
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