Mass transfer in AR Lacertae

Details Mass transfer in AR Lacertae Mass transfer in AR Lacertae

Mar 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984basi...12...52s&link_type=abstract

Astronomical Society of India, Bulletin, vol. 12, March 1984, p. 52-60.

Astronomy and Astrophysics

Astronomy

3

Eclipsing Binary Stars, Orbital Elements, Stellar Evolution, Stellar Mass Ejection, Stellar Structure, Variable Stars, Mass Transfer, Minima, Radii, Stellar Motions, Stellar Spectrophotometry

Scientific paper

Evolutionary discussion shows that the possibility of AR Lac being in a semi-detached state of evolution cannot be ruled out. The period variations of AR Lac have been analysed using Biermann and Hall's (1973) model for a system undergoing mass transfer. The yearly rates of period change and mass transfer are found to be respectively 1.7×10-6 d and 6.2×10-7 M_sun;.

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