Zobrazeno 1 - 10
of 268
pro vyhledávání: '"Fux R"'
Autor:
Babusiaux, C., Gomez, A., Hill, V., Royer, F., Zoccali, M., Arenou, F., Fux, R., Lecureur, A., Schultheis, M., Barbuy, B., Minniti, D., Ortolani, S.
Two main scenarios for the formation of the Galactic bulge are invoked, the first one through gravitational collapse or hierarchical merging of subclumps, the second through secular evolution of the Galactic disc. We aim to constrain the formation of
Externí odkaz:
http://arxiv.org/abs/1005.3919
In this paper we analyse the methodology to derive the bar pattern speed from dynamical simulations. The results are robust to the changes in the vertical-scale height and in the mass-to-light (M/L) ratios. There is a small range of parameters for wh
Externí odkaz:
http://arxiv.org/abs/1002.1252
(abridged) By comparing the distribution of dust and gas in the central regions of the Galaxy, we aim to obtain new insights into the properties of the offset dust lanes leading the bar's major axis in the Milky Way. On the one hand, the molecular em
Externí odkaz:
http://arxiv.org/abs/0711.2471
This paper presents surface photometry (B,V, I, J, H, K) and H_alpha rotation curves of 27 isolated spiral galaxies. The final goal is to obtain the mass distribution of a sample of isolated spiral galaxies in order to model their gas kinematics. Thi
Externí odkaz:
http://arxiv.org/abs/astro-ph/0505626
Autor:
Fux, R.
A serious candidate for dark matter in spiral galaxies are cold molecular hydrogen globules with a condensed central core and a disc-like space distribution probably similar to that of neutral hydrogen. This paper shows that the H_2 cores are suffici
Externí odkaz:
http://arxiv.org/abs/astro-ph/0410029
Publikováno v:
Astron.Astrophys. 424 (2004) 799-815
This paper presents the dynamical simulations run in the potential derived from the light distribution of 5 late-type barred spiral galaxies. The aim is to determine whether the mass distribution together with the hydrodynamical simulations can repro
Externí odkaz:
http://arxiv.org/abs/astro-ph/0405496
Autor:
Fux, R.
Publikováno v:
Astron.Astrophys.373:511-535,2001
(Abridged) The Galactic bar causes a characteristic splitting of the disc phase space into regular and chaotic orbit regions which is shown to play an important role in shaping the stellar velocity distribution in the Solar neighbourhood. A detailed
Externí odkaz:
http://arxiv.org/abs/astro-ph/0105398
Autor:
Fux, R.
The effects of the Galactic bar on the velocity distribution of old disc stars in the Solar neighbourhood are investigated using high-resolution 2D test particle simulations. A detailed orbital analysis reveals that the structure of the U-V distribut
Externí odkaz:
http://arxiv.org/abs/astro-ph/0007363
Autor:
Fux, R.
A high-resolution N-body simulation suggests that stellar streams in the discs of barred galaxies are common and strongly time-dependent. The velocity distribution of stars in the Solar neighbourhood betray many such streams, including a stream of ou
Externí odkaz:
http://arxiv.org/abs/astro-ph/9910130
Autor:
Fux, R.
Publikováno v:
Astrophys.Space Sci. 276 (2001) 367-374
Self-consistent hybrid N-body and SPH simulations are used to give a new and coherent interpretation of the main features standing out from the HI and CO longitude-velocity observations within the Galactic bar. In particular, the traces of the gas as
Externí odkaz:
http://arxiv.org/abs/astro-ph/9908091