Stellar populations in the nuclei of late-type spiral galaxies

@inproceedings{Walcher2006StellarPI,
  title={Stellar populations in the nuclei of late-type spiral galaxies},
  author={C. Jakob Walcher and Torsten Boeker and St{\'e}phane Charlot and Luis C. Ho and Hans-Walter Rix and Joern Rossa and Joseph C.Shields and Roeland van der Marel},
  year={2006}
}
  • C. Jakob Walcher, Torsten Boeker, +5 authors Roeland van der Marel
  • Published 2006
  • Physics
  • As part of an ongoing effort to study the stellar nuclei of very late type, bulge-less spirals, we present results from a high-resolution spectroscopic survey of nine such nuclear star clusters, undertaken with the VLT UVES. We fit the spectra with population synthesis models and measure Lick-type indices to determine mean luminosity-weighted ages, which range from 4.1 × 107 to 1.1 × 1010 yr and are insensitive to assumed metallicity or internal extinction. The average metallicity of nuclear… CONTINUE READING

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