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Firefly (Fitting IteRativEly For Likelihood analYsis): a full spectral fitting code
David M. Wilkinson, Claudia Maraston, Daniel Goddard +2
We present a new spectral fitting code, Firefly, for deriving the stellar population properties of stellar systems. Firefly is a chi-squared minimisation fitting code that fits com…
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 mass-metallicity relations for gas and stars in star-forming galaxies: strong outflow vs variable IMF
Jianhui Lian, Daniel Thomas, Claudia Maraston +4
We investigate the mass-metallicity relations for the gaseous (MZRgas) and stellar components (MZRstar) of local star-forming galaxies based on a representative sample from SDSS DR…
Probing the kinematic morphology-density relation of early-type galaxies with MaNGA
J. E. Greene, A. Leauthaud, E. Emsellem +17
The "kinematic" morphology-density relation for early-type galaxies posits that those galaxies with low angular momentum are preferentially found in the highest-density regions of…
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…