SED, Age and Metallicity of Star Clusters in M33

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dc.creatorMa, Jun
dc.creatorZhou, Xu
dc.creatorKong, Xu
dc.creatorWu, Hong
dc.creatorChen, Jiansheng
dc.creatorJiang, Zhaoji
dc.creatorZhu, Jin
dc.creatorXue, Suijian
dc.date2001-06-27
dc.date.accessioned2026-07-07T01:59:05Z
dc.date.available2026-07-07T01:59:05Z
dc.descriptionIn this paper we present CCD spectrophotometry of the star clusters that were detected by Chandar, Bianchi, & Ford in the nearby spiral galaxy M33, using the images obtained with the Beijing Astronomical Observatory 60/90 cm Schmidt Telescope in 13 intermediate-band filters from 3800 to 10000Å. The observations cover the whole area of M33 with a total integration of 32.75 hours from September 23, 1995 to August 28, 2000. This provides a multi-color map of M33 in pixels of $1.7'' \times 1.7''$. By aperture photometry, we obtain the spetral energy distributions (SEDs) of these star clusters. Using theoretical stellar population synthesis models, we also obtain the distributions of age and metallicity of of these star clusters. These clusters formed continuously from $\sim 3\times10^6$ -- $10^{10}$ years, and have a large span of metallicity from ${\rm {Z}=0.0004}$ to ${\rm {Z}=0.05}$.
dc.description29 pages, 7 figures, will appear in the October 2001 issue of AJ
dc.identifierhttps://arxiv.org/abs/astro-ph/0106487
dc.identifierhttp://arxiv.org/abs/astro-ph/0106487
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/2970
dc.subjectAstrophysics
dc.titleSED, Age and Metallicity of Star Clusters in M33
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