Journal: Astronomy and Astrophysics

  • Publication
    OTELO survey: deep BVRI broad-band photometry of the Groth strip. I. Number counts and two-point correlation functions
    Context: The Groth field is one of the sky regions that will be targeted by the OTELO (OSIRIS Tunable Filter Emission Line Object) survey in the optical 820 nm...
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    Outbursts on normal stars. FH Leo misclassified as a novalike variable
    We present high resolution spectroscopy of the common proper motion system FH Leo (components HD 96273 and BD+07 2411B), which has been classified as a novalike...
  • Publication
    Outer edges of face-on spiral galaxies. Deep optical imaging of NGC 5923, UGC 9837 and NGC 5434
    We present deep optical imaging of three face-on disk galaxies together with a detailed description of the reduction and calibration methods used, in order to...
  • Publication
    Overabundance of α-elements in exoplanet-hosting stars
    We present the results for a chemical abundance analysis between planet-hosting and stars without planets for 12 refractory elements for a total of 1111 nearby...
  • Publication
    Overview of an extensive multi-wavelength study of GX 339-4 during the 2010 outburst
    Context. The microquasar GX 339-4 experienced a new outburst in 2010: it was observed simultaneously at various wavelengths from radio up to soft γ-rays. We...
  • Publication
    Overview of an extensive multi-wavelength study of GX 339-4 during the 2010 outburst (Corrigendum)
    Not Available
  • Publication
    Oxygen abundances in G- and F-type stars from HARPS. Comparison of [OI] 6300 Å and OI 6158 Å
    Aims: We present a detailed and uniform study of oxygen abundance from two different oxygen lines at 6158 Å and 6300 Å in a large sample of solar-type stars...
  • Publication
    Oxygen abundances in nearby stars. Clues to the formation and evolution of the Galactic disk
    The abundances of iron and oxygen are homogeneously determined in a sample of 523 nearby (d 5500 K and [Fe/H] -0.3, we find no obvious indication of a sudden...
  • Publication
    Oxygen abundances in planet-harbouring stars. Comparison of different abundance indicators
    We present a detailed and uniform study of oxygen abundances in 155 solar type stars, 96 of which are planet hosts and 59 of which form part of a volume-limited...