Journal: Astronomy and Astrophysics

  • Publication
    Monitoring luminous yellow massive stars in M 33: new yellow hypergiant candidates
    Context. The evolution of massive stars surviving the red supergiant (RSG) stage remains unexplored due to the rarity of such objects. The yellow hypergiants...
  • Publication
    Monitoring of active galactic nuclei. VI. The quasar MKN 876.
    We present the results of a 6 month monitoring campaign of Mkn 876, a low luminosity quasar with M_abs_=~-24. High resolution spectroscopy and direct imaging in...
  • Publication
    MONOS: Multiplicity Of Northern O-type Spectroscopic systems. I. Project description and spectral classifications and visual multiplicity of previously known objects
    Context. Multiplicity in massive stars is key to understanding the chemical and dynamical evolution of galaxies. Among massive stars, those of O type play a...
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    MONOS: Multiplicity Of Northern O-type Spectroscopic systems. I. Project description and spectral classifications and visual multiplicity of previously known objects (Corrigendum)
  • Publication
    MONOS: Multiplicity Of Northern O-type Spectroscopic systems. II. Orbit review and analysis for 35 single-lined spectroscopic binary systems and candidates
    Context. Massive stars are a key element for understanding the chemical and dynamical evolution of galaxies. Stellar evolution is conditioned by many factors...
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    More fundamental than the fundamental metallicity relation. The effect of the stellar metallicity on the gas-phase mass-metallicity and gravitational potential-metallicity relations
    Context One of the most fundamental scaling relations in galaxies is observed between metallicity and stellar mass - the mass-metallicity relation (MZR) -...
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    More than 160 near Earth asteroids observed in the EURONEAR network
    Context. The EUROpean Near Earth Asteroid Research (EURONEAR) is a network which envisions to bring some European contributions into the general context traced...
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    Morphological and spectral properties of the W51 region measured with the MAGIC telescopes
    Context. The W51 complex hosts the supernova remnant W51C which is known to interact with the molecular clouds in the star forming region W51B. In addition, a...
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    Morphology and evolution of umbral dots and their substructures
    Context: Substructures - dark lanes and tails - of umbral dots (UDs) were predicted by numerical simulations of magnetoconvection and have been detected later...