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| DOI | 10.3847/1538-4357/AA7AA9 | ||||
| Año | 2017 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
We present the integrated stellar mass-metallicity relation (MZR) for more than 1700 galaxies included in the integral field area SDSS-IV MaNGA survey. The spatially resolved data allow us to determine the metallicity at the same physical scale (effective radius, R-eff) using a heterogeneous set of 10 abundance calibrators. In addition to scale factors, the shape of the MZR is similar for all calibrators, consistent with those reported previously using single-fiber and integral field spectroscopy. We compare the residuals of this relation against the star formation rate (SFR) and specific SFR (sSFR). We do not find a strong secondary relation of the MZR with either SFR or sSFR for any of the calibrators, in contrast with previous single-fiber spectroscopic studies. Our results agree with a scenario in which metal enrichment happens at local scales, with global outflows playing a secondary role in shaping the chemistry of galaxies and cold-gas inflows regulating the stellar formation.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | BARRERA-BALLESTEROS, JORGE KAROLT | Hombre |
Johns Hopkins Univ - Estados Unidos
Johns Hopkins University - Estados Unidos |
| 2 | SANCHEZ-SANCHEZ, SEBASTIAN FRANCISCO | Hombre |
Univ Nacl Autonoma Mexico - México
Universidad Nacional Autónoma de México - México |
| 3 | Heckman, T. | Hombre |
Johns Hopkins Univ - Estados Unidos
Johns Hopkins University - Estados Unidos |
| 4 | BLANC-MENDIBERRI, GUILLERMO ALBERTO | Hombre |
Observ Carnegie Inst Sci - Estados Unidos
Universidad de Chile - Chile Observatorio Las Campanas - Estados Unidos |
| 5 | MaNGA Team | Corporación |
| Fuente |
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| DGAPA |
| Alfred P. Sloan Foundation |
| U.S. Department of Energy Office of Science |
| Center for High-Performance Computing at the University of Utah |
| ConaCyt programs |
| CONICYT/FONDECYT , Programa de Iniciacion |
| Agradecimiento |
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| S.F.S. thanks the ConaCyt programs IA-180125 and DGAPA IA100815 and IA101217 for their support of this project. G.B. is supported by CONICYT/FONDECYT, Programa de Iniciacion, Folio 11150220. Funding for the Sloan Digital Sky Survey IV has been provided by the Alfred P. Sloan Foundation, the U.S. Department of Energy Office of Science, and the Participating Institutions. SDSS-IV acknowledges support and resources from the Center for High-Performance Computing at the University of Utah. The SDSS web site is http://www.sdss.org. |