The Mass-Metallicity Relation with the Direct Method on Stacked Spectra of SDSS Galaxies

Published in ApJ, 2013

Andrews, B. H. & Martini, P. 2013, ApJ, 765, 140.

The direct method mass-metallicity relation has a steeper slope, a lower turnover mass, and a factor of 2-3 greater dependence on SFR than strong line mass-metallicity relations.