Astrofísicas: Núcleos activos de galaxias

  • Publicación
    Intermediate-resolution spectropolarimetry of 3C 273
    Spectropolarimetric observations of the quasar 3C 273 over the range 3200-8000 A show wavelength-dependent polarization in the continuum, while the lines had no...
  • Publicación
    Intermediate-resolution spectropolarimetry of a small sample of quasars
    We present spectropolarimetric observations of a sample of three quasars selected because of their very different broad-band polarization properties. All of the...
  • Noticia
    La colaboración internacional GATOS se reúne en el IAC para desentrañar los misterios de los núcleos galácticos activos
    El Instituto de Astrofísica de Canarias (IAC) ha acogido del 20 al 23 de mayo la reunión científica de la colaboración GATOS ( Galaxy Activity, Torus, and...
  • Noticia
    Los agujeros negros supermasivos modifican la región central de las galaxias
    La investigadora del Instituto de Astrofísica de Canarias Cristina Ramos Almeida lidera un trabajo que ha utilizado datos del telescopio ALMA, en Chile, para...
  • Publicación
    Modeling an accretion disk in NGC 985
    An optically thick relativistic Keplerian accretion disk model is used to fit the broad component of the H-alpha, H-beta, and He I 5876 A emission line profiles...
  • Publicación
    Monitoring of active galacitc nuclei. 4: The Seyfert 1 galaxy NGC 4593
    Results of a five-month campaign of optical monitoring the Seyfert 1 galaxy NGC 4593 are presented. High resolution H-alpha and H-Beta spectra and direct images...
  • Publicación
    Monitoring of active galactic nuclei. I - The quasars 1302 - 102 and 1217 + 023
    We present the results of a five-month spectroscopic monitoring campaign of two radio loud quasars, PKS 1217 + 023 and PKS 1302 - 102. There is a pronounced...
  • Publicación
    Morphology, kinematics and dynamics of bulges of spirals. 1: Kinematics of the bulge of NGC 5055, A MAGN
    Long-slit spectroscopy at four position angles is performed on the spiral NGC 5055. The nuclear region is very bright and massive and the rotation velocity in...
  • Publicación
    Multiband Optical Variability of the Blazar 3C 454.3 on Diverse Timescales
    Due to its peculiar and highly variable nature, the blazar 3C 454.3 has been extensively monitored by the WEBT team. Here, we present for the first time these...