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25 papers · 2 filters
The VVV Near-IR Galaxy Catalogue beyond the Galactic disk
Laura D. Baravalle, M. Victoria Alonso, Dante Minniti +7
Knowledge about the large-scale distribution of galaxies is far from complete in the Zone of Avoidance, which is mostly due to high interstellar extinction and to source confusion…
Deviations from tidal torque theory: evolution of the halo spin-filament alignment
Pablo López, Marius Cautun, Dante Paz +2
The alignment between halo spins and the cosmic web is still poorly understood despite being a widely studied topic. Here, we study this alignment within the context of tidal torqu…
Evolution of the chemical enrichment and the Mass-Metallicity relation in CALIFA galaxies
A. Camps-Fariña, S. F. Sanchez, E. A. D. Lacerda +4
We use fossil record techniques on the CALIFA sample to study how galaxies in the local universe have evolved in terms of their chemical content. We show how the metallicity and th…
The galaxy size - halo mass scaling relations and clustering properties of central and satellite galaxies
Facundo Rodriguez, Antonio D. Montero-Dorta, Raul E. Angulo +2
In this work, we combine size and stellar mass measurements from the Sloan Digital Sky Server (SDSS) with the group finder algorithm of Rodriguez \& Merchán in order to determine t…
ROGER: Reconstructing Orbits of Galaxies in Extreme Regions using machine learning techniques
Martín de los Rios, Héctor Julián Martínez, Valeria Coenda +4
We present the ROGER (Reconstructing Orbits of Galaxies in Extreme Regions) code, which uses three different machine learning techniques to classify galaxies in, and around, cluste…
Associations of dwarf galaxies in a CDM Universe
C. Y. Yaryura, M. G. Abadi, S. Gottlober +6
Associations of dwarf galaxies are loose systems composed exclusively of dwarf galaxies. These systems were identified in the Local Volume for the first time more than thirty years…