The role of cold gas and environment on the stellar mass-metallicity relation of nearby galaxies

  title={The role of cold gas and environment on the stellar mass-metallicity relation of nearby galaxies},
  author={Thomas M. Hughes and Luca Cortese and Alessandro Boselli and Giuseppe Gavazzi and Jonathan Ivor Davies},
  journal={Astronomy and Astrophysics},
We investigate the relationship between stellar mass, metallicity and gas content for a magnitude- and volume-limited sample of 260 nearby late-type galaxies in different environments, from isolated galaxies to Virgo cluster members. We derive oxygen abundance estimates using new integrated, drift-scan optical spectroscopy and the base metallicity calibrations of Kewley & Ellison (2008, ApJ, 681, 1183). Combining these measurements with ultraviolet to near-infrared photometry and Hi 21 cm line… 
The role of cold gas on the stellar mass - metallicity relation of nearby galaxies
  • T. Hughes
  • Physics
    Proceedings of the International Astronomical Union
  • 2012
Abstract We investigate the relationship between stellar mass, metallicity and gas content for a magnitude- and volume-limited sample of 260 nearby late-type galaxies in different environments.
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