Astrofísicas: Galaxias

  • Publicación
    Eight more ultra luminous X-ray candidates unmasked
    Aims:We aim to identify the nature of several objects previously catalogued as ultra-luminous X-ray (ULX) source candidates. Methods: Long-slit spectroscopy of...
  • Noticia
    El enigma de la galaxia masiva sin materia oscura
    Una investigación internacional, liderada por el Instituto de Astrofísica de Canarias (IAC) y la Universidad de La Laguna (ULL), encuentra la primera evidencia...
  • Publicación
    El origen del sistema de cúmulos globulares de la galaxia Messier 87.
    Not Available
  • Publicación
    ELAIS Hα emitting galaxies (Pascual+, 2001)
    We have carried out a survey searching for Hα emitting galaxies at z~0.24 using a narrow band filter tuned with the redshifted line. The total sky area covered...
  • Publicación
    ELAIS: final band-merged catalogue (Rowan-Robinson+, 2004)
    The catalog represents the final band-merged European Large-Area ISO Survey (ELAIS) Catalogue at 6.7, 15, 90 and 175{mu}m, and the associated data at U, g', r'...
  • Publicación
    Electron densities of HII regions throughout the NGC 6946 disk
    We have used the tuneable filter system of OSIRIS to observe the [SII] doublet lines at λλ617.7 and 673.1 nm in emission across the full face of NGC 6946, and...
  • Publicación
    Electron temperature fluctuations in Seyfert galaxies
    We use Gemini GMOS-IFU observations of three luminous nearby Seyfert galaxies (Mrk 79, Mrk 348, and Mrk 607) to estimate the electron temperature (T e)...
  • Publicación
    Electron-beam interaction with emission-line clouds in blazars
    Context. An electron-positron beam escaping from the magnetospheric vacuum gap of an accreting black hole interacts with recombination-line photons from...
  • Publicación
    Elliptical galaxies from mergers of discs
    We analyse N-body galaxy merger experiments involving disc galaxies. Mergers of disc-bulge-halo models are compared to those of bulgeless, disc-halo models to...