Publications

This section contains the publications database that collects IAC articles published in scientific journals. Please, click on the arrow to see full search filter and sort options: author, journal, year, etc..

It also provides access to IAC Preprints Repository here: https://research.iac.es/preprints/

  • Broad Emission Lines in Active Galaxies: Horns, Bumps and Shoulders
    have complex and highly structured profiles. We discuss, in the context of the discrete cloud model of the broad-line region, three possible mechanisms by which profile structure could be produced: irregularities in the radial luminosity distribution, flattened geometries and ionizing continuum variability. In each case, the structure produced has
    Robinson, A. et al.

    Advertised on:

    9
    1990
    Citations
    29
  • A possible nineteen-minute periodicity in the light curve of OJ 287
    A periodic signal of high nominal significance (99.95%) is found in the light curve of OJ 287 in observations taken with the Prime Focus Camera Unit on the 2.5 m Isaac Newton Telescope on two nights in March April 1987. No such periodicity is seen in the light curve of the simultaneously observed reference star. A null test involving observations
    Antonio de Diego, José et al.

    Advertised on:

    9
    1990
    Citations
    0
  • A possible nineteen-minute periodicity in the light curve of OJ 287
    A periodic signal of high nominal significance (99.95 percent) is found in the light curve of OJ 287 in observations taken with the Prime Focus Camera Unit on the 2.5 m Isaac Newton Telescope on two nights in March-April 1987. No such periodicity is seen in the light curve of the simultaneously observed reference star. A null test involving
    de Diego, Jose Antonio et al.

    Advertised on:

    9
    1990
    Citations
    10
  • A carbon star outflow envelope about IC 418
    The results of near-infrared mapping, optical spectroscopy, and millimetric CO J = 2-1 observations of the halo about IC 418 are presented. As a result, it is confirmed that NIR emission extends outside of the principal emission shell, and into a zone characterized by weak optical grain scattering and (in all probability) strong FIR emission. An
    Phillips, J. P. et al.

    Advertised on:

    9
    1990
    Citations
    4
  • Velocity fields associated with the magnetic component of solar faculae
    Theoretical models are developed to account for the asymmetries observed by Stenflo et al. (1984) in the Stokes V profiles of solar faculae. The approximate dependence of Stokes V on magnetic and velocity fields in the line of sight is characterized under the assumption of local thermodynamic equilibrium, and empirical growth curves for the zero
    Sanchez Almeida, J. et al.

    Advertised on:

    8
    1990
    Citations
    5