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SDSS-IV MaNGA: What Shapes The Distribution Of Metals In Galaxies? Exploring The Roles Of The Local Gas Fraction And Escape Velocity
J. K. Barrera-Ballesteros, T. Heckman, S. F. Sanchez +6
We determine the local metallicity of the ionized gas for more than star forming regions (spaxels) located in 1023 nearby galaxies included in the SDSS-IV MaNGA IF…
Stellar population properties for 2 million galaxies from SDSS DR14 and DEEP2 DR4 from full spectral fitting
Johan Comparat, Claudia Maraston, Daniel Goddard +13
We determine the stellar population properties - age, metallicity, dust reddening, stellar mass and the star formation history - for all spectra classified as galaxies that were pu…
The Fourteenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the extended Baryon Oscillation Spectroscopic Survey and from the second phase of the Apache Point Observatory Galactic Evolution Experiment
Bela Abolfathi, D. S. Aguado, Gabriela Aguilar +344
The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) has been in operation since July 2014. This paper describes the second data release from this phase, and the fourtee…
Clustering of MgII absorption line systems around massive galaxies: an important constraint on feedback processes in galaxy formation
Guinevere Kauffmann, Dylan Nelson, Brice Menard +1
We use the latest version of the metal line absorption catalogue of Zhu & Ménard (2013) to study the clustering of MgII absorbers around massive galaxies (~10^11.5 M_sun), quasars…