천문학회보 (The Bulletin of The Korean Astronomical Society)
- 제39권1호
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- Pages.82.1-82.1
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- 2014
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- 1226-2692(pISSN)
The Oosterhoff period groups and multiple populations in globular clusters
- Jang, Sohee (Center for Galaxy Evolution Research and Department of Astronomy, Yonsei University) ;
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Lee, Young-Wook
(Center for Galaxy Evolution Research and Department of Astronomy, Yonsei University) ;
- Joo, Seok-Joo (Center for Galaxy Evolution Research and Department of Astronomy, Yonsei University) ;
- Na, Chongsam (Center for Galaxy Evolution Research and Department of Astronomy, Yonsei University)
- 발행 : 2014.04.10
초록
The presence of multiple populations is now well-established in most globular clusters (GCs) in the Milky Way. In light of this progress, here we suggest a new model explaining the origin of the Sandage period-shift and the difference in mean period of type ab RR Lyrae variables (
키워드