I study the flow of gas in and around the bars or ovals of model barred galaxies and show
that it is intimately linked to the properties of the periodic orbits. Simulations show that the …

Some 30% of disc galaxies have a pronounced central bar features in the disc plane and
many more have weaker features of a similar kind. Kinematic data indicate that the bar …

Context. Ionized outflows, revealed by broad asymmetric wings of the [O III] λ5007 line, are
commonly observed in active galactic nuclei (AGN) but the low intrinsic spatial resolution of …

The spatial distribution of oxygen in the interstellar medium of galaxies is the key to
understanding how efficiently metals that are synthesized in massive stars can be …

The aim of the present review is to give a global picture of the supergiant barred galaxy NGC
1365. This galaxy with its strong bar and prominent spiral structure displays a variety of …

We perform two-dimensional, time dependent, hydrodynamical simulations of the gas flow in
a potential representing the barred spiral galaxy NGC 1365 using the FS2 code originally …

To quantify the effect that bar-driven mass inflow can have on the evolution of a galaxy
requires an understanding of the dynamics of the inflowing gas. In this paper we study the …

We develop diagnostics based on gas kinematics to identify the presence of a bar in an
edge-on spiral galaxy and determine its orientation. We use position-velocity diagrams …

We investigate stationary gas flows in a fixed, rotating barred potential. The gas is assumed
to be isothermal with an effective sound speed cs, and the equations of motion are solved …

We present a near-IR, mainly H band, photometry of 72 nearby (Mpc) disk galaxies. The
main goal of the survey was to search for isophotal twist inside their nuclear regions. As the …