Estimating the Metallicity of Old Star Clusters in M33

Details Estimating the Metallicity of Old Star Clusters in M33 Estimating the Metallicity of Old Star Clusters in M33

Apr 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002chjaa...2..127m&link_type=abstract

Chinese Journal of Astronomy & Astrophysics, Vol. 2, p. 127-132

Astronomy and Astrophysics

Astrophysics

4

Galaxies: Individual (M33), Galaxies: Evolution, Galaxies: Star Clusters

Scientific paper

Based on the method proposed by Kong et al. and on the multi-color spectrophotometry by Ma et al., we estimate the metallicities of 16 old star clusters in the nearby spiral galaxy M33, ten of which are halo globular clusters. These old clusters are all metal poor, the range of metallicity ([Fe/H]) is from -0.14 to -2.12. In general, our results are consistent with those derived by other methods, such as integrated spectra and photometry, and our study confirms the reliability of the method of Kong et al.

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