Astrofísicas: Instrumentación

  • Publicación
    IACUB - a New Echelle Spectrograph for Use at the Observatorio del Roque-De
    An uncrossed echelle spectrograph has been constructed in a collaboration between the Queen's University of Belfast and the Instituto de Astrofísica de Canarias...
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    Improved High-resolution Fast Imager
    The improved High-resolution Fast Imager (HiFI+) is a multiwavelength imaging filtergraph, which was commissioned at the GREGOR solar telescope at Observatorio...
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    Indication of the Hanle Effect by Comparing the Scattering Polarization Observed by CLASP in the Lyα and Si iii 120.65 nm Lines
    The Chromospheric Lyman-Alpha Spectro-Polarimeter is a sounding rocket experiment that has provided the first successful measurement of the linear polarization...
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    Influence of phase-diversity image reconstruction techniques on circular polarization asymmetries
    Context. Full Stokes filter-polarimeters are key instruments for investigating the rapid evolution of magnetic structures on the solar surface. To this end, the...
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    Infrared astronomical characteristics of the Roque de los Muchachos Observatory: precipitable water vapour statistics
    We present measurements of the atmospheric water vapour content above the Roque de los Muchachos Observatory (ORM) obtained using the Global Positioning System...
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    INGRID: A near-infrared camera for the William Herschel Telescope
    Rapid developments in near-infrared (NIR) arrays and adaptive optics systems have driven the development of wide-field and high-spatial-resolution, high-optical...
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    Integral field spectroscopy supports atmospheric optics to reveal the finite outer scale of the turbulence
    Context. The spatial coherence wavefront outer scale (ℒ 0) characterizes the size of the largest turbulence eddies in Earth's atmosphere, determining low...
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    Investigating the sensitivity of observed spectral energy distributions to clumpy torus properties in Seyfert galaxies
    We present nuclear spectral energy distributions (SEDs) from 1 to 18 μm of a small sample of nearby, nearly face-on and undisturbed Seyfert galaxies without...
  • Publicación
    Is the activity level of HD 80606 influenced by its eccentric planet?
    Aims: Several studies suggest that the activity level of a planet-host star can be influenced by the presence of a close-by orbiting planet. Moreover, the...