Astrofísicas: Técnicas

  • Publicación
    Non-LTE abundance corrections for late-type stars from 2000 Å to 3 µm. I. Na, Mg, and Al
    Context. It is well known that cool star atmospheres depart from local thermodynamic equilibrium (LTE). Making an accurate abundance determination requires...
  • Publicación
    Non-Vestoid candidate asteroids in the inner main belt
    Context. Most howardite-eucrite-diogenite (HED) meteorites (analogues to V-type asteroids) are thought to originate from the asteroid (4) Vesta. However some...
  • Publicación
    Non-Vestoid candidate asteroids in the inner main belt (Corrigendum)
    Not Available
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    NuSTAR + XMM-Newton monitoring of the neutron star transient AX J1745.6-2901
    AX J1745.6-2901 is a high-inclination (eclipsing) transient neutron star (NS) low-mass X-ray binary showcasing intense ionized Fe K absorption. We present here...
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    Obliquity measurement and atmospheric characterisation of the WASP-74 planetary system
    We present new transit observations of the hot Jupiter WASP-74 b (T eq ~ 1860 K) using the high-resolution spectrograph HARPS-N and the multi-colour...
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    Observation and analysis of chromospheric magnetic fields .
    The solar chromosphere is a vigorously dynamic region of the sun, where waves and magnetic fields play an important role. To improve chromospheric diagnostics...
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    Observation of global solar oscillations with a modified optical resonance spectrometer.
    In order to test the calibration technique to be used on the GOLF solar oscillation resonant scattering spectrometer on the SOHO mission, observations with a...
  • Publicación
    Observational Limits on Terrestrial-sized Inner Planets around the CM Draconis System Using the Photometric Transit Method with a Matched-Filter Algorithm
    A light curve of the eclipsing binary CM Draconis has been analyzed for the presence of transits of planets of size >=2.5 Earth radii (RE), with periods of 60...
  • Publicación
    Observations of the Corona Borealis supercluster with the superextended Very Small Array: further constraints on the nature of the non-Gaussian cosmic microwave background cold spot
    We present interferometric imaging at 33GHz, with the new superextended configuration of the Very Small Array (VSA), of a very deep decrement in the cosmic...