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The ages of stars: The horizontal branch

Published online by Cambridge University Press:  01 October 2008

M. Catelan
M. Catelan*
Affiliation:
Pontificia Universidad Católica de Chile, Departamento de Astronomía y Astrofísica, Av. Vicuña Mackenna 4860, 782-0436 Macul, Santiago, Chile email: [email protected]
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Abstract

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Horizontal branch (HB) stars play a particularly important role in the “age debate,” since they are at the very center of the long-standing “second parameter” problem. In this review, I discuss some recent progress in our understanding of the nature and origin of HB stars.

Keywords

stars: abundancesevolutionHertzsprung-Russell diagramhorizontal branchmass lossvariables: otherGalaxy: formationglobular clusters: generalglobular clusters: individual (M3, M13, NGC 1851)galaxies: dwarf
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 4 , Symposium S258: The Ages of Stars , October 2008 , pp. 209 - 220
Copyright
Copyright © International Astronomical Union 2009

References

Arp, H. C. & Johnson, H. L. 1955, ApJ, 122, 171CrossRefGoogle Scholar
Arp, H. C. & Melbourne, W. G. 1959, AJ, 64, 28CrossRefGoogle Scholar
Behr, B. B. 2003, ApJS, 149, 67CrossRefGoogle Scholar
Belokurov, V., et al. 2006, ApJ, 647, L111CrossRefGoogle Scholar
Belokurov, V., et al. 2007, ApJ, 654, 897CrossRefGoogle Scholar
Boyer, M. L., McDonald, I., van Loon, J. Th., Woodward, C. E., Gehrz, R. D., Evans, A., & Dupree, A. K. 2008, AJ, 135, 1395CrossRefGoogle Scholar
Caloi, V. & D'Antona, F. 2007, A&A, 463, 949Google Scholar
Caloi, V. & D'Antona, F. 2008, ApJ, 673, 847CrossRefGoogle Scholar
Cassisi, S., Salaris, M., Pietrinferni, A., Piotto, G., Milone, A. P., Bedin, L. R., & Anderson, J. 2008, ApJ, 672, L115CrossRefGoogle Scholar
Catelan, M. 2000, ApJ, 531, 826CrossRefGoogle Scholar
Catelan, M. 2007, in: New Quests in Stellar Astrophysics II: The Ultraviolet Properties of Evolved Stellar Populations, in press (astro-ph/0708.2445)Google Scholar
Catelan, M. 2008, to appear in Ap&SS (astro-ph/0507464)Google Scholar
Catelan, M., Bellazzini, M., Landsman, W. B., Ferraro, F. R., Fusi Pecci, F., & Galleti, S. 2001, AJ, 122, 3171CrossRefGoogle Scholar
Catelan, M., Borissova, J., Sweigart, A. V., & Spassova, N. 1998, ApJ, 494, 265CrossRefGoogle Scholar
Catelan, M., Stetson, P. B., Pritzl, B. J., Smith, H. A., Kinemuchi, K., Layden, A. C., Sweigart, A. V., & Rich, R. M. 2006, ApJ, 651, L133CrossRefGoogle Scholar
Dall'Ora, M., et al. 2006, ApJ, 653, L109CrossRefGoogle Scholar
D'Antona, F., Bellazzini, M., Caloi, V., Fusi Pecci, F., Galleti, S., & Rood, R. T. 2005, ApJ, 631, 868CrossRefGoogle Scholar
D'Antona, F. & Caloi, V. 2008, MNRAS, 390, 693CrossRefGoogle Scholar
Greco, C., Dall'Ora, M., Clementini, G., et al. 2008, ApJ, 675, L73CrossRefGoogle Scholar
Grundahl, F., Catelan, M., Landsman, W. B., Stetson, P. B., & Andersen, M. I. 1999, ApJ, 524, 242CrossRefGoogle Scholar
Grundahl, F., VandenBerg, D. A., & Andersen, M. I. 1998, ApJ, 500, L179CrossRefGoogle Scholar
Harris, W. E. 1996, AJ, 112, 1487CrossRefGoogle Scholar
Judge, P. G. & Stencel, R. E. 1991, ApJ, 371, 357CrossRefGoogle Scholar
Kuehn, C., Kinemuchi, K., Ripepi, V., et al. 2008, ApJ, 674, L81CrossRefGoogle Scholar
Lee, Y.-W., Demarque, P., & Zinn, R. 1994, ApJ, 423, 248CrossRefGoogle Scholar
Mackey, A. D. & van den Bergh, S. 2005, MNRAS, 360, 631CrossRefGoogle Scholar
Miceli, A., Rest, A., Stubbs, C. W., et al. 2008, ApJ, 678, 865CrossRefGoogle Scholar
Milone, A. P., Bedin, L. R., Piotto, G., & Anderson, J. 2008, A&A, in press (astro-ph/0810.2558)Google Scholar
Mullan, D. J., Carpenter, K. G., & Robinson, R. D. 1998, ApJ, 495, 927CrossRefGoogle Scholar
Muñoz, R. R., Carlin, J. L., Frinchaboy, P. M., Nidever, D. L., Majewski, S. R., & Patterson, R. J. 2006, ApJ, 650, L51CrossRefGoogle Scholar
Norris, J. E. 2004, ApJ, 612, L25CrossRefGoogle Scholar
Origlia, L, Rood, R. T., Fabbri, S., Ferraro, F. R., Fusi Pecci, F., & Rich, R. M. 2007, ApJ, 667, L85CrossRefGoogle Scholar
Piotto, G., Bedin, L. R., Anderson, J., et al. 2007, ApJ, 661, L53CrossRefGoogle Scholar
Piotto, G., Villanova, S., Bedin, L. R., et al. 2005, ApJ, 621, 777CrossRefGoogle Scholar
Reimers, D. 1977, A&A, 57, 395Google Scholar
Robinson, R. D., Carpenter, K. G., & Brown, A. 1998, ApJ, 503, 396CrossRefGoogle Scholar
Rood, R. T. 1973, ApJ, 184, 815CrossRefGoogle Scholar
Rood, R. T., Crocker, D. A., Fusi Pecci, F., & Buonanno, R. 1993, in: Smith, G. H. & Brodie, J. P. (eds.), Proc. ASP Conf. Ser., Vol. 48, The Globular Cluster-Galaxy Connection, (San Francisco: ASP), p. 218Google Scholar
Salaris, M., Cassisi, S., & Pietrinferni, A. 2008, ApJ, 678, L25CrossRefGoogle Scholar
Sandage, A. R. 1953, AJ, 58, 61CrossRefGoogle Scholar
Sandage, A. & Wallerstein, G. 1960, ApJ, 131, 598CrossRefGoogle Scholar
Schröder, K.-P. & Cuntz, M. 2005, ApJ, 630, L73CrossRefGoogle Scholar
Schröder, K.-P. & Cuntz, M. 2007, A&A, 465, 593Google Scholar
Searle, L. & Zinn, R. 1978, ApJ, 225, 357CrossRefGoogle Scholar
Siegel, M. H. 2006, ApJ, 649, L83CrossRefGoogle Scholar
Strömgren, B. 1963, QJRAS, 4, 8Google Scholar
Sweigart, A. V. & Catelan, M. 1998, ApJ, 501, L63CrossRefGoogle Scholar
Unavane, M., Wyse, R. F. G., & Gilmore, G. 1996, MNRAS, 278, 727CrossRefGoogle Scholar
Valcarce, A. A. R. & Catelan, M. 2008, A&A, 487, 185Google Scholar
Yong, D. & Grundahl, F. 2008, ApJ, 672, L29CrossRefGoogle Scholar