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1997A&A...327.1087S - Astronomy and Astrophysics, volume 327, 1087-1093 (1997/11-3)
On the relation of changes of the period and brightness in the close binaries SW Cygni and U Sagittae.
SIMON V.
Abstract (from CDS):
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.
Abstract Copyright: ∼
Journal keyword(s): binaries: eclipsing - stars: late-type - stars: individual: SW Cyg, U Sge
Simbad objects: 5
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