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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
Source PublicationASTRONOMY & ASTROPHYSICS
Volume385Issue:2Pages:404-411
AbstractIn 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.
KeywordGalaxies : Photometry Galaxies : Cluster : Individual Galaxies : Evolution
DOI10.1051/0004-6361:20020141
Indexed BySCI
Language英语
WOS IDWOS:000174804600006
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/8519
Collection光学天文研究部
AffiliationChinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
Recommended Citation
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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