On the relation of changes of the period and brightness in the close binaries SW Cygni and U Sagittae

Details On the relation of changes of the period and brightness in the close binaries SW Cygni and U Sagittae On the relation of changes of the period and brightness in the close binaries SW Cygni and U Sagittae

Nov 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997a%26a...327.1087s&link_type=abstract

Astronomy and Astrophysics, v.327, p.1087-1093 (1997)

Astronomy and Astrophysics

Astrophysics

14

Binaries: Eclipsing, Stars: Late-Type, Stars: Individual: Sw Cyg, U Sge

Scientific paper

The analysis of the available data allows to conclude that changes of
the orbital periods in both Algol-type systems, SW Cyg and U Sge, are
correlated with the brightness variations of the late-type loser. The
episodes of decrease of the orbital period are accompanied by minimum of
brightness of the loser in both cases.

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