Astrophysical: Galaxies

  • Publication
    Structural properties of disk galaxies. I. The intrinsic equatorial ellipticity of bulges
    Context: A variety of formation scenarios have been proposed to explain the diversity of properties observed in bulges. Studying their intrinsic shape can help...
  • Publication
    Structural properties of disk galaxies. I. The intrinsic equatorial ellipticity of bulges.
    A variety of formation scenarios have been proposed to explain the diversity of properties observed in bulges. Studying their intrinsic shape can help to...
  • Publication
    Structural properties of disk galaxies. II. Intrinsic shape of bulges
    Context. Knowledge of the intrinsic shapes of galaxy components provides crucial information when constraining phenomena driving their formation and evolution...
  • Publication
    Structure and dynamics of galaxies with a low surface-brightness disc - I. The stellar and ionized-gas kinematics
    Photometry and long-slit spectroscopy are presented for a sample of six galaxies with a low surface-brightness stellar disc and a bulge. The characterizing...
  • Publication
    Structure and dynamics of galaxies with a low surface-brightness disc - II. Stellar populations of bulges
    We present the radial profiles of the Hβ, Mg and Fe line-strength indices for a sample of eight spiral galaxies with a low-surface-brightness stellar disc and a...
  • Publication
    Structure and star formation in disc galaxies - I. Sample selection and near-infrared imaging
    We present near-infrared imaging of a sample of 57 relatively large, northern spiral galaxies with low inclination. After describing the selection criteria and...
  • Publication
    Structure and star formation in disk galaxies. II. Optical imaging
    We present optical observations of a sample of 57 spiral galaxies and describe the procedures followed to reduce the data. We have obtained images in the...
  • Publication
    Structure and star formation in disk galaxies. III. Nuclear and circumnuclear Hα emission
    From Hα images of a carefully selected sample of 57 relatively large, Northern spiral galaxies with low inclination, we study the distribution of the Hα...
  • Publication
    Structure of Abell 1995 from optical and X-ray data: a galaxy cluster with an elongated radio halo
    Context. Abell 1995 is a puzzling galaxy cluster hosting a powerful radio halo, but it has not yet been recognized as a obvious cluster merger, as usually...