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SED, metallicity and age of halo globular clusters in M33
Ma, J; Zhou, X; Chen, J; Wu, H; Jiang, Z; Xue, S; Zhu, J
2002-04-01
发表期刊ASTRONOMY & ASTROPHYSICS
卷号385期号:2页码:404-411
摘要In this paper we study the properties of ten halo globular clusters in the nearby spiral galaxy M33. CCD images of M33 were obtained as a part of the BATC Colour Survey of the sky in 13 intermediate-band filters from 3800 to 10 000 Angstrom. By aperture photometry, we obtain the spectral energy distributions (SEDs) of these globular clusters. We estimate the ages of our sample clusters by comparing the photometry of each object with theoretical stellar population synthesis models for different values of metallicity. Our results suggest that eight of the ten sample halo globular clusters have "intermediate" ages, i.e. between 1 and 8 Gyrs.
关键词Galaxies : Photometry Galaxies : Cluster : Individual Galaxies : Evolution
DOI10.1051/0004-6361:20020141
收录类别SCI
语种英语
WOS记录号WOS:000174804600006
引用统计
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8519
专题光学天文研究部
作者单位Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
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GB/T 7714
Ma, J,Zhou, X,Chen, J,et al. SED, metallicity and age of halo globular clusters in M33[J]. ASTRONOMY & ASTROPHYSICS,2002,385(2):404-411.
APA Ma, J.,Zhou, X.,Chen, J.,Wu, H.,Jiang, Z.,...&Zhu, J.(2002).SED, metallicity and age of halo globular clusters in M33.ASTRONOMY & ASTROPHYSICS,385(2),404-411.
MLA Ma, J,et al."SED, metallicity and age of halo globular clusters in M33".ASTRONOMY & ASTROPHYSICS 385.2(2002):404-411.
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