Astrofísicas: Estrellas binarias

  • Evento
    Escuela: Binarias eclipsantes y astrosismología
    Gracias a las numerosas misiones públicas, espaciales y terrestres de seguimiento, activas o recientemente finalizadas, nunca antes se había dispuesto de tal...
  • Publicación
    Evidence for Evolved Stellar Binary Mergers in Observed B-type Blue Supergiants
    Blue supergiants are the brightest stars in their host galaxies, and yet their evolutionary status has been a long-standing problem in stellar astrophysics. In...
  • Publicación
    Formulation of stellar speckle interferometry in terms of joint spatial/spatial-frequency representations
    A generalized formulation of stellar speckle interferometry (SSI) and related techniques in terms of joint spatial/spatial-frequency energy representations are...
  • Publicación
    Full Abundance Study of Two Newly Discovered Barium Giants
    Barium (Ba) stars are chemically peculiar stars that show enhanced surface abundances of heavy elements produced by the slow-neutron-capture process, the so...
  • Publicación
    Geometry of the Draco C1 Symbiotic Binary
    Draco C1 is a known symbiotic binary star system composed of a carbon red giant and a hot, compact companion—likely a white dwarf—belonging to the Draco dwarf...
  • Noticia
    Hallan evidencias de que las supergigantes azules podrían nacer de la fusión de dos estrellas
    Una investigación internacional, liderada por la astrofísica Athira Menon del Instituto de Astrofísica de Canarias (IAC), ha encontrado pistas sobre la...
  • Publicación
    Infrared and visible photometry of the RS CVn-star II Peg
    Infrared photometry in J,H,K,L,M bands carried out in different years from 1983 to 1986, and U,B,V,R,I quasi-simultaneous to 1984 are presented. Although the...
  • Publicación
    Infrared observations of binary stars. I
    JHKLM photometry is presented for the close binary systems W UMa, U Sge and Beta-Lyr, and two systems, Eta-Gem and RR UMi, containing late-type variable...
  • Publicación
    Infrared photometry of open clusters - The main sequence of NGC 752
    New infrared photometry of a sample of 39 stars in the open cluster NGC 752 is presented. These observations confirm the bimodality of the main sequence...