Journal: Astronomy and Astrophysics

  • Publication
    Beryllium abundances in late-type Hyades dwarf stars.
    We have observed, with high spectral resolution, the BeII resonance doublet at λ 3131A in five G and K-type main-sequence stars belonging to the Hyades open...
  • Publication
    Beryllium abundances in parent stars of extrasolar planets: 16 Cygni A & B and rho (1) CANCRI
    The (9) Be ii lambda 3131 Angstroms doublet has been observed in the solar-type stars 16 Cyg A & B and in the late G-type star rho (1) Cnc, to derive their...
  • Publication
    Beryllium abundances in stars hosting giant planets
    We have derived beryllium abundances in a wide sample of stars hosting planets, with spectral types in the range F7V-K0V, aimed at studying in detail the...
  • Publication
    Beryllium abundances in stars with planets. Extending the sample
    Context. Chemical abundances of light elements such as beryllium in planet-host stars allow us to study the planet formation scenarios and/or investigate...
  • Publication
    Beryllium anomalies in solar-type field stars
    We present a study of beryllium (Be) abundances in a large sample of field solar-type dwarfs and sub-giants spanning a large range of effective temperatures...
  • Publication
    beta Centauri: An eccentric binary with two beta Cep-type components
    We introduce our observational study of the orbital motion and the intrinsic variability of the double-lined spectroscopic binary beta Cen. Using 463 high...
  • Publication
    Beyond diagnostic-diagrams: A critical exploration of the classification of ionization processes
    Context. Diagnostic diagrams based on optical emission lines, especially classical BPT diagrams, have long been used to distinguish the dominant ionisation...
  • Publication
    Beyond the Nyquist frequency: Asteroseismic catalog of undersampled Kepler late subgiants and early red giants
    Subgiants and early red giants are crucial for studying the first dredge-up, a key evolutionary phase in which the convective envelope deepens, mixing...
  • Publication
    Beyond traditional diagnostics: Identifying active galactic nuclei using spectral energy distribution fitting in DESI data
    Aims. Active galactic nuclei (AGN) are typically identified through their distinctive X-ray or radio emissions, mid-infrared (MIR) colors, or emission lines...