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/

  • A search for new objects in the transition phase between AGB-stars and planetary nebulae
    Preliminary results are presented from a spectroscopy survey of IRAS sources with colors similar to those of planetary nebulae. Two new planetary nebulae, some H-alpha emission line stars, one peculiar source which is probably a premain-sequence object and a new Seyfert I galaxy have been found.
    Manchado, A. et al.

    Advertised on:

    6
    1989
    Citations
    7
  • A photometric study of the double ring structure of NGC 4736
    Photometric results for the galaxy NGC 4736 are presented, including IR and visible profiles. After correction for the extinction within the galaxy based on measured neutral gas surface densities, the profiles in the individual bands and in color indices are interpreted in terms of the radial distribution of stellar populations. The behavior of the
    Munoz-Tunon, C. et al.

    Advertised on:

    6
    1989
    Citations
    8
  • 3C 279
    IAUC 4798 available at Central Bureau for Astronomical Telegrams. IAUC 4798 available at Central Bureau for Astronomical Telegrams. IAUC 4798 available at Central Bureau for Astronomical Telegrams.
    Garcia-Lario, P. et al.

    Advertised on:

    6
    1989
    Citations
    3
  • OJ 287
    IAUC 4782 available at Central Bureau for Astronomical Telegrams. IAUC 4782 available at Central Bureau for Astronomical Telegrams. IAUC 4782 available at Central Bureau for Astronomical Telegrams.
    Takalo, L. et al.

    Advertised on:

    5
    1989
    Citations
    3
  • IRAS 09149-6206, a new Seyfert I galaxy
    The serendipitous discovery of a new type I Seyfert galaxy, IRAS 09149-6206, found during a search for planetary nebulae using the IRAS Point Source Catalog is reported. The optical spectrum of this galaxy shows very strong broad Balmer and Fe II emission, indicating the existence of large optical depths, while the emission spectrum from the narrow
    Perez, E. et al.

    Advertised on:

    5
    1989
    Citations
    10
  • Image sharpening of time-tagged counts from a photon counting detector - Application of a modified Wiener filter
    A method for applying a modified Wiener filter to time-tagged single photon data is proposed which can preprocess the data for use by a wide range of image sharpening algorithms. The method is applied to data from the 50-cm Roque de los Muchachos Observatory telescope, resulting in near diffraction limited images of the bright triple-star system
    Redfern, R. M. et al.

    Advertised on:

    5
    1989
    Citations
    7