The Clusters AgeS Experiment (CASE): Variable Stars in the Globular Cluster 47 Tucanae

• Autorzy: Kaluzny J. , Rozyczka M. , Pych W. , Krzeminski W. , Zloczewski K. , Narloch W. , Thompson I. B.
• Języki publikacji: EN

Abstrakty

EN

Based on over 5400 BV images of 47 Tuc collected between 1998 and 2010 we obtained light curves of 65 variables, 19 of which are newly detected objects. New variables are located mostly just outside the core in a region poorly studied by earlier surveys of the cluster. Among them there are four detached eclipsing binaries and five likely optical counterparts of X-ray sources. Two detached systems are promising targets for follow-up observations. We briefly discuss properties of the most interesting new variables.

Słowa kluczowe

EN

globular clusters: individual: 47 Tuc; blue stragglers; binaries: eclipsing; stars: variables: general

• Wydawca: Copernicus Foundation for Polish Astronomy
• Czasopismo: Acta Astronomica
• Rocznik: 2013
• Tom: Vol. 63, No. 3
• Strony: 309--322
• Opis fizyczny: Bibliogr. 27 poz., rys., tab., wykr.

Twórcy

autor

Kaluzny J.

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

autor

Rozyczka M.

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

autor

Pych W.

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

autor

Krzeminski W.

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

autor

Zloczewski K.

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

autor

Narloch W.

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

autor

Thompson I. B.

• Carnegie Observatories, 813 Santa Barbara Street, Pasadena, CA 91101-1292, USA

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