Tipo de publicación: Sin árbitro

  • Publicación
    A near-infrared/optical/X-ray survey in the centre of σ Orionis
    Because of the intense brightness of the OB-type multiple star system σ Ori, the low-mass stellar and substellar populations close to the centre of the very...
  • Publicación
    A New Approach in Data Reduction: Proper Handling of Random Errors and Image Distortions
    Data reduction procedures aim to minimize the impact of data acquisition imperfections on the measurement of data properties with a scientific meaning for the...
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    A new approach to derive [α/Fe] for integrated stellar populations
    Not Available
  • Publicación
    A New Camera for WYFFOS
    AutoFib2, the prime focus, multi-object spectrograph of the WHT, was recently upgraded with the installation of the Small Fibre Module. This allows to reach a...
  • Publicación
    A new class of type-I X-ray bursters with low persistent luminosities?
    Observations with the Wide Field Cameras on BeppoSAX revealed seven type-I X-ray bursters that failed to exhibit significant levels of persistent emission. The...
  • Publicación
    A new classification scheme for B-type stars
    The criteria for spectral classification of B-type stars were established almost 80 years ago from low-resolution spectra on photographic plates. Since...
  • Publicación
    A New Code for Automatic Determination of Equivalent Widths: Automatic Routine for Line Equivalent Widths in Stellar Spectra (ARES)
    We present a new automatic code (ARES) for the determination of equivalent widths of absorption lines present in stellar spectra. We also describe its use for...
  • Publicación
    A New Diagnostic for Fast Outflows in Planetary Nebulae
    Not Available
  • Publicación
    A new diagnostic tool for the solar chromosphere
    Not Available