Spectrophotometry of M33 clusters

Details Spectrophotometry of M33 clusters Spectrophotometry of M33 clusters

Dec 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...275...92c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 275, Dec. 1, 1983, p. 92-104.

Astronomy and Astrophysics

Astrophysics

26

Galactic Evolution, Globular Clusters, Spiral Galaxies, Stellar Spectrophotometry, Andromeda Galaxy, Galactic Nuclei, Loci, Magellanic Clouds, Metallicity

Scientific paper

Intermediate-resolution spectrophotometry (10 Å) obtained for 20 M33 clusters was compared with similar data for M31, LMC, and SMC clusters. The existence of clusters with a range of properties (age, metallicity, integrated spectral types) has been verified. The M33 clusters span a range of ages from 107 to 1010 yr. The range of metallicities (-2.0 < [Fe/H] < 0.0) is roughly correlated with the age ranking derived from the integrated spectral types. The reddest clusters exhibit properties similar to Galactic globular clusters; none of the clusters appear to be as metal-poor as M15 or as metal-rich as the strong-lined clusters found in M31.

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