Tipo de publicación: Sin árbitro

  • Publicación
    The 4 May and 24 May 1985 Occultations by the Uranian Rings. (Title only)
    Not Available
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    The 4-m New Robotic Telescope (NRT): status of the optomechanical systems
    The New Robotic Telescope (NRT) is currently under conceptual phase design, will be sited on the Observatory of Roque de los Muchachos (ORM) in La Palma (Canary...
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    The 4MOST–Gaia Purely Astrometric Quasar Survey (4G-PAQS)
    The 4MOST–Gaia Purely Astrometric Quasar Survey (4G-PAQS) will carry out the first large-scale, colour-independent quasar survey selected solely on the basis of...
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    The 99942 Apophis observational campaign at the Canary Islands observatories during its 2021 close approach: preliminary results
    Potentially hazardous asteroid (PHA) 99942 Apophis, with a diameter 380-393 m (Licandro et al. 2016), came to its 2021 close approach on March 6, 2021, at 01:06...
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    The Absolute Proper Motion of the Small Magellanic Cloud a Progress Report
    We present a progress report on a project aimed at determining the absolute proper motion of the Small Magellanic Cloud (SMC), with respect to background Quasi...
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    The absorbing cells for the NIR spectrograph GIANO-B@TNG
    In 2014 TNG also offered GIANO-B to the scientific community, providing a near-infrared (NIR) cross-dispersed echelle spectrograph covering 0.97 − 2.45 µm at a...
  • Publicación
    The abundance of primordial helium: a keystone in our understanding of the Universe
    Not Available
  • Publicación
    The Abundances of Oxygen and Carbon in the Solar Photosphere
    A series of recent studies has placed the best estimates of the photospheric abundances of carbon and oxygen at log ɛ =8.39 and 8.66, respectively. These values...
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    The acoustic cutoff frequency of the Sun and the solar cycle
    The acoustic cutoff frequency - highest frequency for acoustic solar eigenmodes-is an important parameter of the solar atmosphere because it determines the...