Journal: Astronomy and Astrophysics

  • Publication
    First T dwarfs in the VISTA Hemisphere Survey
    Aims: The aim of the project is to improve our current knowledge of the density of T dwarfs and the shape of the substellar initial mass function by identifying...
  • Publication
    First tentative detection of anisotropy in the QSO distribution around nearby edge-on spiral galaxies
    Aims:To check whether the polar angle distribution of QSOs around nearby spiral galaxies is isotropic or not. Methods: A statistical analysis of the polar angle...
  • Publication
    FIRTEZ-dz. A forward and inverse solver of the polarized radiative transfer equation under Zeeman regime in geometrical scale
    We present a numerical code that solves the forward and inverse problem of the polarized radiative transfer equation in geometrical scale under the Zeeman...
  • Publication
    Five fake ultra-luminous X-ray sources
    Context. The nature of ultra-luminous X-ray (ULX) sources is still a matter of debate. Studies of their counterparts in other spectral ranges will help to...
  • Publication
    Five new eclipsing binaries with low-mass companions
    Precise space-based photometry from the Transiting Exoplanet Survey Satellite results in a huge number of exoplanetary candidates. However, the masses of these...
  • Publication
    Flare activity and photospheric analysis of Proxima Centauri
    Context. We present the analysis of emission lines in high-resolution optical spectra of the planet-host star Proxima Centauri (Proxima) classified as a M5.5V...
  • Publication
    Flare in the Galactic stellar outer disc detected in SDSS-SEGUE data
    Aims: We explore the outer Galactic disc up to a Galactocentric distance of ≈30 kpc to derive its parameters and measure the magnitude of its flare. Methods: We...
  • Publication
    FliPer: A global measure of power density to estimate surface gravities of main-sequence solar-like stars and red giants
    Asteroseismology provides global stellar parameters such as masses, radii, or surface gravities using mean global seismic parameters and effective temperature...
  • Publication
    FliPerClass: In search of solar-like pulsators among TESS targets
    The NASA Transiting Exoplanet Survey Satellite (TESS) is about to provide full-frame images of almost the entire sky. The amount of stellar data to be analysed...