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On the dependence of spectroscopic indices of early-type galaxies on age, metallicity and velocity dispersion (2001)
Journal Article
Kuntschner, H., Lucey, J., Smith, R., Hudson, M., & Davies, R. (2001). On the dependence of spectroscopic indices of early-type galaxies on age, metallicity and velocity dispersion. Monthly Notices of the Royal Astronomical Society, 323(3), 615-629. https://doi.org/10.1046/j.1365-8711.2001.04263.x

We investigate the Mg–σ and Fe–σ relations in a sample of 72 early-type galaxies drawn mostly from cluster and group environments using a homogeneous data set which is well calibrated on to the Lick/IDS system. The small intrinsic scatter in Mg at a... Read More about On the dependence of spectroscopic indices of early-type galaxies on age, metallicity and velocity dispersion.