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Języki publikacji
Abstrakty
The field of the globular cluster NGC 6362 was monitored between 1995 and 2009 in a search for variable stars. BV light curves were obtained for 69 periodic variable stars including 34 known RR Lyr stars, 10 known objects of other types and 25 newly detected variable stars. Among the latter we identified 18 proper-motion members of the cluster: seven detached eclipsing binaries (DEBs), six SX Phe stars, two W UMa binaries, two spotted red giants, and a very interesting eclipsing binary composed of two red giants - the first example of such a system found in a globular cluster. Five of the DEBs are located at the turnoff region, and the remaining two are redward of the lower main sequence. Eighty-four objects from the central 9×9 arcmin2 of the cluster were found in the region of cluster blue stragglers. Of these 70 are proper motion (PM) members of NGC 6362 (including all SX Phe and two W UMa stars), and five are field stars. The remaining nine objects lacking PM information are located at the very core of the cluster, and as such they are likely genuine blue stragglers.
Czasopismo
Rocznik
Tom
Strony
309--322
Opis fizyczny
Bibliogr. 22 poz., rys., tab., wykr.
Twórcy
autor
- Nicolaus Copernicus Astronomical Center, ul. Bartycka 18, 00-716 Warsaw, Poland
autor
- he Observatories of the Carnegie Institution for Science, 813 Santa Barbara Street, Pasadena, CA 91101, USA
autor
- Nicolaus Copernicus Astronomical Center, ul. Bartycka 18, 00-716 Warsaw, Poland
autor
- Nicolaus Copernicus Astronomical Center, ul. Bartycka 18, 00-716 Warsaw, Poland
autor
- Nicolaus Copernicus Astronomical Center, ul. Bartycka 18, 00-716 Warsaw, Poland
Bibliografia
- Alard, C. 2000, A&AS, 144, 363.
- Clement, C.M., et al. 2001, AJ, 122, 2587.
- Harris, W.E. 1996, AJ, 112, 1487.
- Kaluzny, J., et al. 2005, AIP Conf. Proc., 752, 70.
- Kaluzny, J., and Thompson, I.B. 2009, Acta Astron., 59, 273.
- Kaluzny, J., Thompson, I.B., Krzeminski, W., and Zloczewski, K. 2010, Acta Astron., 60, 245.
- Kaluzny, J., Thompson, I. B., Rozyczka, M., and Krzeminski, W. 2013, Acta Astron., 63, 181.
- Landolt, A. 1992, AJ, 104, 372.
- Mathieu, R.D., Meibom, S., and Dolan, C.J. 2004, ApJ, 602, L121.
- Mazeh, T. 2008, EAS Publications Series, 29, 1.
- Mazur, B., Kaluzny, J., and Krzeminski, W. 1999, MNRAS, 306, 727.
- Olech, A., Kaluzny, J., Thompson, I.B., Pych, W., Krzeminski, W., and Schwarzenberg-Czerny, A. 2001, MNRAS, 321, 421.
- Prša, A., and Zwitter, T. 2005, ApJ, 628, 426.
- Rucinski, S.M. 2000, AJ, 120, 319.
- Schwarzenberg-Czerny, A. 1996, ApJ, 460, L107.
- Schwarzenberg-Czerny, A., and Beaulieu, J.-Ph. 2006, MNRAS, 365, 165.
- Stępień, K., and Gazeas, K. 2012, Acta Astron., 62, 153.
- Stetson, P.B. 1987, PASP, 99, 191.
- Stetson, P.B. 1990, PASP, 102, 932.
- Tokovinin, A., Thomas, S., Sterzik, M., and Udry, S. 2006, A&A, 450, 681.
- Zacharias, N., Finch, C.T., Girard, T.M., Henden, A., Bartlett, J.L., Monet, D.G., and Zacharias, M.I. 2013, AJ, 145, 44.
- Zloczewski, K., Kaluzny, J., Rozyczka, M., Krzeminski, W., and Mazur, B. 2012, Acta Astron., 62, 357.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-407f86e6-1c8f-443f-9346-7c2097488d84