Journal: Astronomy and Astrophysics

  • Publication
    Radial velocities and metallicities from infrared Ca ii triplet spectroscopy of open clusters. II. Berkeley 23, King 1, NGC 559, NGC 6603, and NGC 7245
    Context. Open clusters are key to studying the formation and evolution of the Galactic disc. However, there is a deficiency of radial velocity and chemical...
  • Publication
    Radial velocities of optical lines in three bright Galactic HII regions
    We present heliocentric radial velocities for a large number of emission lines covering all the optical spectral range for two slit positions of the Galactic H...
  • Publication
    Radial velocity follow-up of GJ1132 with HARPS. A precise mass for planet b and the discovery of a second planet
    The source GJ1132 is a nearby red dwarf known to host a transiting Earth-size planet. After its initial detection, we pursued an intense follow-up with the...
  • Publication
    Radii, masses, and transit-timing variations of the three-planet system orbiting the naked-eye star TOI-396
    Context. TOI-396 is an F6 V bright naked-eye star (V ≈ 6.4) orbited by three small (R p ≈ 2 R ⊕) transiting planets discovered thanks to space-based photometry...
  • Publication
    Radio emission during the formation of stellar clusters in M 33
    Aims: We investigate thermal and nonthermal radio emission associated with the early formation and evolution phases of young stellar clusters (YSCs) selected by...
  • Publication
    Radio emission in a nearby, ultra-cool dwarf binary: A multifrequency study
    Context. The substellar triple system VHS J125601.92−125723.9 (hereafter VHS 1256−1257) is composed of an equal-mass M7.5 brown dwarf binary and an L7 low-mass...
  • Publication
    Radio emission in ultracool dwarfs: The nearby substellar triple system VHS 1256-1257
    Aim. With the purpose of investigating the radio emission of new ultracool objects, we carried out a targeted search in the recently discovered system VHS...
  • Publication
    Radio spectrum evolution and magnetic field in extreme GPS radio sources. The case of RXJ1459+3337
    Aims:The knowledge of the properties of the youngest radio sources is very important in order to trace the earliest phase of the evolution of the radio emission...
  • Publication
    Rapid and multiband variability of the TeV bright active nucleus of the galaxy IC 310
    Context. The radio galaxy IC 310 has recently been identified as a γ-ray emitter based on observations at GeV energies with Fermi-LAT and at very high energies...