Volume 438, Number 3, August II 2005
|Page(s)||957 - 962|
|Section||Stellar structure and evolution|
|Published online||18 July 2005|
A study of Kapteyn's star
Tuorla Observatory, Väisäläntie 20, 21500 Piikkiö, Finland e-mail: firstname.lastname@example.org
2 Department of Physics and Astronomy, York University, 4700 Keele Street, Toronto, ON M3J 1P3, Canada
3 Department of Physics, Trent University, Peterborough, ON, K9J 7B8, Canada
4 Guest user, Canadian Astronomy Data Centre, operated by the Herzberg Institute of Astrophysics, National Research Council of Canada
5 Research School of Astronomy & Astrophysics, Mount Stromlo Observatory, Cotter Road, Weston ACT 2611, Australia
Accepted: 15 February 2005
We present a review of the current knowledge of Kapteyn's Star (KS) – a nearby, low-metallicity M-dwarf, with an eccentric and retrograde Galactic orbit. A brief survey of its spectroscopic properties is provided, together with an analysis of its Galactic orbit in a Galaxy model that incorporates resonances. We propose that KS may have once belonged to a dwarf spheroidal galaxy that merged with the Galaxy, and whose present remnant, if it still exists, is a globular cluster similar to ω Cen.
Key words: stars: late-type / stars: general
© ESO, 2005
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