Journal: Astronomy and Astrophysics

  • Publication
    Aql X-1 from dawn 'til dusk: the early rise, fast state transition, and decay of its 2024 outburst
    Transient low-mass X-ray binaries (LMXBs) are usually first detected by all-sky X-ray monitors when they enter new outbursts. These detections typically occur...
  • Publication
    Are beryllium abundances anomalous in stars with giant planets?
    In this paper we present beryllium (Be) abundances in a large sample of 41 extra-solar planet host stars, and for 29 stars without any known planetary-mass...
  • Publication
    Are collisions with neutral hydrogen important for modeling the second solar spectrum of Ti I and Ca II?
    Context: The physical interpretation of scattering line polarization offers a novel diagnostic window for exploring the thermal and magnetic structure of the...
  • Publication
    Are early-type galaxies quenched by present-day environment?: A study of dwarfs in the Fornax Cluster
    Galaxies undergo numerous transformative processes throughout their lifetimes that ultimately lead to the expulsion of gas and the cessation of star-forming...
  • Publication
    Are high polarization quasars and BL Lacertae objects really different? A study of the optical spectral properties.
    The continuum and emission lines properties of a sample of 73 blazars is studied, investigating differences and similarities among normal low-polarization...
  • Publication
    Are isolated planetary-mass objects really isolated?. A brown dwarf-exoplanet system candidate in the σ Orionis cluster
    Context: .Free-floating planetary-mass objects have masses below the deuterium burning mass limit at about 13 Jupiter masses, and have mostly been found in very...
  • Publication
    Are solar acoustic modes correlated?
    We have studied the statistical properties of the energy of individual acoustic modes, extracted from 310 days of GOLF data near the solar minimum. The...
  • Publication
    Are solar chromospheric fibrils tracing the magnetic field?
    Fibrils are thin elongated features visible in the solar chromosphere in and around magnetized regions. Because of their visual appearance, they have been...
  • Publication
    Are ultra-diffuse galaxies Milky Way-sized?
    Now almost 70 years since its introduction, the effective or half-light radius has become a very popular choice for characterising galaxy size. However, the...