Journal: Astronomy and Astrophysics

  • 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
    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...
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    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...
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    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...
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    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...
  • Publication
    Rapid infrared spectral variability of 3C 66A in outburst.
    Infrared observations taken during the major outburst seen in 1993 show strong evidence of rapid variability in 3C 66A on a time scale of a few hours, with...
  • Publication
    Rapid Variations and a Large Infrared Anti-Flare in the Lightcurve of MARKARIAN:501
    We present the results of infrared observations of the BL Lacertae object Markarian 501 obtained with the Telescopio Carlos Sanchez of El Observatorio del Teide...