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12 papers · 1 filter
On the spectral resolution of the MILES stellar library
A. Beifiori, C. Maraston, D. Thomas +1
Empirical stellar libraries are extensively used to extract stellar kinematics in galaxies and to build stellar population models. An accurate knowledge of the spectral resolution…
Chemical abundance ratios of galactic globular clusters from modelling integrated light spectroscopy
Daniel Thomas, Jonas Johansson, Claudia Maraston
We use our new, flux-calibrated stellar population model of absorption-line indices to derive ages, metallicities, and various element abundance ratios from integrated light spectr…
Flux-calibrated stellar population models of Lick absorption-line indices with variable element abundance ratios
Daniel Thomas, Claudia Maraston, Jonas Johansson
We present new stellar population models of Lick absorption-line indices with variable element abundance ratios. The models are based on our new calibrations of absorption-line ind…
Galaxy and Mass Assembly (GAMA): Dust obscuration in galaxies and their recent star formation histories
D. B. Wijesinghe, A. M. Hopkins, R. Sharp +32
We present self-consistent star formation rates derived through pan-spectral analysis of galaxies drawn from the Galaxy and Mass Assembly (GAMA) survey. We determine the most appro…
Galaxy Zoo 1 : Data Release of Morphological Classifications for nearly 900,000 galaxies
Chris Lintott, Kevin Schawinski, Steven Bamford +11
Morphology is a powerful indicator of a galaxy's dynamical and merger history. It is strongly correlated with many physical parameters, including mass, star formation history and t…
The hierarchical build-up of the Tully-Fisher relation
Chiara Tonini, Claudia Maraston, Bodo Ziegler +4
We use the semi-analytic model GalICS to predict the Tully-Fisher relation in the B, I and for the first time, in the K band, and its evolution with redshift, up to z~1. We refined…