| Issue |
A&A
Volume 438, Number 3, August II 2005
|
|
|---|---|---|
| Page(s) | 957 - 962 | |
| Section | Stellar structure and evolution | |
| DOI | https://doi.org/10.1051/0004-6361:20042287 | |
| Published online | 18 July 2005 | |
A study of Kapteyn's star
1
Tuorla Observatory, Väisäläntie 20, 21500 Piikkiö, Finland e-mail: eira.kotoneva@tyks.fi
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
Received:
1
November
2004
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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