Variable Stars in the Old Open Cluster Berkeley 39

• Autorzy: Mazur, B. , Krzemiński, W. , Kaluzny, J.
• Języki publikacji: EN

Abstrakty

EN

We present the results of a CCD photometric survey of the old open cluster Berkeley 39. We discovered 5 new variables, one of which is a W UMa-type system, one is probable δ Scuti pulsating blue straggler, and three are stars for which the eclipse-like events were observed - most likely they are detached binaries. V-band light curves of the previously identified binaries, as well as the improved periods and colors at maximum are given.

Słowa kluczowe

EN

binaries: close; binaries: eclipsing; stars: variables: other; open clusters and associations: individual: Berkeley 39

• Czasopismo: Acta Astronomica
• Rocznik: 1999
• Tom: Vol. 49, No. 4
• Strony: 551--560
• Opis fizyczny: Bibliogr. 25 poz., tab., wykr.

Twórcy

autor

Mazur, B.

• Copernicus Astronomical Center, Bartycka 18, 00-716 Warsaw, Poland,

autor

Krzemiński, W.

• The Observatories of the Carnegie Institution of Washington, Las Campanas Observatory, Casilla 601, La Serena, Chile,

autor

Kaluzny, J.

• Warsaw University Observatory, Al. Ujazdowskie 4, 00-478 Warsaw, Poland,
• Copernicus Astronomical Center, Bartycka 18, 00-716 Warsaw, Poland

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