Astrofísicas: Estrellas binarias

  • 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...
  • Publicación
    Infrared photometry of the RS CVn short-period systems - XY UMa and WY CNC
    Infrared J and K light curves of two RS CVn short-period systems, XY UMa and WY Cnc, are presented. Both systems show similar variability in the infrared to...
  • Publicación
    Infrared photometry of upper main sequence stars in M39
    Infrared photometry of 19 Main sequence stars in the open cluster M39 is presented. Infrared-infrared and optical-infrared color-color and color-magnitude...
  • Publicación
    Infrared Spectroscopy Of V404 CYGNI. Limits On The Accretion Disc Contamination
    We have obtained for the first time 2.10 - 2.45 micron infrared spectra of soft X-ray transient V404 Cygni. We determine a 95 percent confidence upper limit to...
  • Publicación
    Infrared variability of symbiotic stars
    Binary models of symbiotic stars are discussed, analyzing the results of recent IR observations. It is indicated that a binary must have component masses of...
  • Publicación
    MOA-2006-BLG-074: Recognizing Xallarap Contaminants in Planetary Microlensing
    MOA-2006-BLG-074 was selected as one of the most promising planetary candidates in a retrospective analysis of the MOA collaboration: its asymmetric high...