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Spectral energy distributions and age estimates of 78 star clusters in M33
Ma, J; Zhou, X; Chen, JS; Wu, H; Jiang, ZJ; Xue, SJ; Zhu, J
2002-06-01
Source PublicationASTRONOMICAL JOURNAL
Volume123Issue:6Pages:3141-3153
AbstractIn this third paper of our series, we present CCD spectrophotometry of 78 star clusters that were detected by Chandar, Bianchi, & Ford in the nearby spiral galaxy M33. CCD images of M33 were obtained as a part of the BATC Multicolor Sky Survey of the sky in 13 intermediate-band filters from 3800 to 10000 Angstrom. By aperture photometry, we obtain the spectral energy distributions of these 78 star clusters. As Chandar, Bianchi, & Ford did, 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. We find that the sample clusters formed continuously in M33 from similar to3 x 10(6) to 10(10) yr. This conclusion is consistent with Chandar, Bianchi, & Ford. The results also show that there are two peaks in cluster formation at similar to8 x 10(6) and similar to10(9) yr in these clusters.
KeywordGalaxies : Evolution Galaxies : Individual (M33) Galaxies : Star Clusters
Indexed BySCI
Language英语
WOS IDWOS:000175830300015
Citation statistics
Cited Times:23[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/8562
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, JS,et al. Spectral energy distributions and age estimates of 78 star clusters in M33[J]. ASTRONOMICAL JOURNAL,2002,123(6):3141-3153.
APA Ma, J.,Zhou, X.,Chen, JS.,Wu, H.,Jiang, ZJ.,...&Zhu, J.(2002).Spectral energy distributions and age estimates of 78 star clusters in M33.ASTRONOMICAL JOURNAL,123(6),3141-3153.
MLA Ma, J,et al."Spectral energy distributions and age estimates of 78 star clusters in M33".ASTRONOMICAL JOURNAL 123.6(2002):3141-3153.
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