Astrophysical: Spiral galaxies

  • Talk
    Ionization of the diffuse gas in galaxies: hot low-mass evolved stars at work
    We revisit the question of the ionization of the diffuse medium in late type galaxies, by studying NGC 891, the prototype of edge-on spiral galaxies. The most...
  • Publication
    ISO observations of five giant H II regions in M101.
    The authors present ISOLWS spectra of 5 giant H II region in the spiral galaxy M101. The data, not yet fully reduced, were taken by using the medium resolution...
  • Publication
    Kinematic measurements of gas and stars in spiral galaxies
    In this article we first give a brief historically based survey of kinematic observations, essentially of rotation curves, of spiral galaxies produced as...
  • Publication
    Kinematics of the Circumnuclear Region of M 100
    Circumnuclear regions of barred galaxies can host ring-like regions of enhanced star formation, thought to be related to the position of one or more Inner...
  • Talk
    Living on the Edge: Superthin Galaxies and the Cosmic UV Background
    Superthin galaxies are bulgeless, late-type spiral galaxies seen edge-on. HI synthesis observations probe the kinematic structure of their interstellar medium...
  • News
    Magnetic turbulence hidden in the Whirlpool Galaxy
    There is a force hidden deep inside galaxies: magnetic fields. Invisible to conventional telescopes, they are a factor in galaxy evolution, regulating the...
  • Publication
    Mass outflow and its consequences in the circumnuclear zones of galaxies
    Spectroscopic and photometric observations are used to determine the distributions of gas and the kinematics in the central zones of a number of spirals. In...
  • Publication
    Multi-Wavelength Characterization of the Outskirts of Spiral Galaxies
    We have explored late-type spiral galaxies with truncated radial surface brightness profiles. Based on the study of optical color profiles, [1] suggested that...