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- Universitat de BarcelonaES63 papers
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17 papers · 1 filter
Invariant manifolds as building blocks for the formation of spiral arms and rings in barred galaxies
M. Romero-Gomez, E. Athanassoula, J. J. Masdemont +1
We propose a theory to explain the formation of spiral arms and of all types of outer rings in barred galaxies, extending and applying the technique used in celestial mechanics to…
The formation of spiral arms and rings in barred galaxies
M. Romero-Gomez
We propose a theory to explain the formation of both spirals and rings in barred galaxies using a common dynamical framework. It is based on the orbital motion driven by the unstab…
The formation of spiral arms and rings in barred galaxies
M. Romero-Gomez, E. Athanassoula, J. J. Masdemont +1
In this and in a previous paper (Romero-Gomez et al. 2006) we propose a theory to explain the formation of both spirals and rings in barred galaxies using a common dynamical framew…
On the origin of rR_1 ring structures in barred galaxies
M. Romero-Gomez, J. J. Masdemont, E. Athanassoula +1
We propose a new theory for the formation of rR_1 ring structures, i.e. for ring structures with both an inner and an outer ring, the latter having the form of ``8''. We propose th…
Major Mergers of Haloes, Growth of Massive Black Holes and Evolving Luminosity Function of Quasars
Evanthia Hatziminaoglou, Guy Mathez, Jose-Maria Solanes +2
We construct a physically motivated analytical model for the quasar luminosity function, based on the joint star formation and feeding of massive black holes suggested by the obser…
The 3D Structure of the Virgo Cluster Region from Tully-Fisher and HI Data
J. M. Solanes, T. Sanchis, E. Salvador-Sole +2
(Abridged) The distances and HI contents of 161 spiral galaxies in the region of Virgo cluster are used to gain insight into the complicated structure of this galaxy system. The 3D…