We investigate the stellar Mass-Metallicity Relation (MZR) using a sample of 637 quiescent galaxies with 10.4<=log(M/M_{sun}_)<11.7 selected from the LEGA-C survey at 0.6<=z=3. Our work suggests that the stellar metallicity of quiescent galaxies is bounded by a lower limit which increases with the stellar mass. On the other hand, low-mass galaxies can have metallicities as high as galaxies ~1dex more massive. This suggests that, at log(M/M_{sun}_)>=10.4, rather than lower-mass galaxies being systematically less metallic, the observed MZR might be a consequence of the lack of massive, metal-poor galaxies.

Cone search capability for table J/A+A/690/A150/table1 (Estimated stellar population parameters)