Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Masdemont, J. J."'
Publikováno v:
January 2023 - Monthly Notices of the Royal Astronomical Society
We establish a dynamical mechanism to explain the origin of the asymmetry between the arms observed in some barred disk galaxies, where one of the two arms emanating from the bar ends is very well defined, while the second one displays a ragged struc
Externí odkaz:
http://arxiv.org/abs/2301.11385
In a series of papers, we propose a theory to explain the formation and properties of rings and spirals in barred galaxies. The building blocks of these structures are orbits guided by the manifolds emanating from the unstable Lagrangian points locat
Externí odkaz:
http://arxiv.org/abs/1005.2943
In this series of papers, we propose a theory to explain the formation and properties of rings and spirals in barred galaxies. The building blocks of these structures are orbits guided by the manifolds emanating from the unstable Lagrangian points lo
Externí odkaz:
http://arxiv.org/abs/0910.0757
Two-armed, grand design spirals and inner and outer rings in barred galaxies can be due to orbits guided by the manifolds emanating from the vicinity of the L1 and L2 Lagrangian points, located at the ends of the bar. We first summarise the necessary
Externí odkaz:
http://arxiv.org/abs/0812.2842
Publikováno v:
Mon.Not.Roy.Astron.Soc.394:67-81,2009
In this paper we present building blocks which can explain the formation and properties both of spirals and of inner and outer rings in barred galaxies. We first briefly summarise the main results of the full theoretical description we have given els
Externí odkaz:
http://arxiv.org/abs/0811.4056
We study the role of the unstable equilibrium points in the transfer of matter in a galaxy using the potential of a rotating triaxial system. In particular, we study the neighbourhood of these points for energy levels and for main model parameters wh
Externí odkaz:
http://arxiv.org/abs/0807.3832
Invariant manifolds as building blocks for the formation of spiral arms and rings in barred galaxies
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 compute transfer orbits. Thus, our theory is based on the chaotic orbi
Externí odkaz:
http://arxiv.org/abs/0801.3412
We propose a new theory to explain the formation of spiral arms and of all types of outer rings in barred galaxies. We have extended and applied the technique used in celestial mechanics to compute transfer orbits. Thus, our theory is based on the ch
Externí odkaz:
http://arxiv.org/abs/0712.4391
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 that these rings are formed by material from the stable and unstable inv
Externí odkaz:
http://arxiv.org/abs/astro-ph/0603124
Akademický článek
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