The influence of galaxy surface brightness on the mass-metallicity relation

  title={The influence of galaxy surface brightness on the mass-metallicity relation},
  author={Po-Feng Wu and Rolf Peter Kudritzki and R. Brent Tully and James D. Neill},
  journal={arXiv: Astrophysics of Galaxies},
We study the effect of surface brightness on the mass-metallicity relation using nearby galaxies whose gas content and metallicity profiles are available. Previous studies using fiber spectra indicated that lower surface brightness galaxies have systematically lower metallicity for their stellar mass, but the results were uncertain because of aperture effect. With stellar masses and surface brightnesses measured at WISE W1 and W2 bands, we re-investigate the surface brightness dependence with… 

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