Astrofísicas: Astroquímica

  • Publicación
    Nonequilibrium CO Chemistry in the Solar Atmosphere
    Investigating the reliability of the assumption of instantaneous chemical equilibrium (ICE) for calculating the CO number density in the solar atmosphere is of...
  • Publicación
    On the action of UV photons on hydrogenated fulleranes C60H36 and C60D36
    Fulleranes, the hydrogenated fullerenes C60H36 and C60D36 have been synthesized in n-hexane where they show an absorption maximum at 217 nm in their electronic...
  • Publicación
    On the alumina dust production in the winds of O-rich asymptotic giant branch stars
    The O-rich asymptotic giant branch (AGB) stars experience strong mass-loss with efficient dust condensation and they are major sources of dust in the...
  • Publicación
    On the interpolation of model atmospheres and high-resolution synthetic stellar spectra
    We present tests carried out on optical and infrared stellar spectra to evaluate the accuracy of different types of interpolation. Both model atmospheres and...
  • Publicación
    On the Presence of Metallofullerenes in Fullerene-rich Circumstellar Envelopes
    The presence of neutral C 60 fullerenes in circumstellar environments has been firmly established by astronomical observations as well as laboratory experiments...
  • Charla
    Organic materials and ices in the outer solar system
    The composition of the outer solar system is of particular interest because it holds the key to understanding the chemical evolution of the Solar System...
  • Charla
    Origin of two primitive NEAs: (3200) Phaethon and 1998 RQ36
    Understanding the composition and the nature of any asteroid approaching the Earth, and consequently potentially hazardous, is a matter of general interest...
  • Publicación
    Spectroscopy of Fullerenes, Fulleranes and PAHs in the UV, Visible and Near Infrared Spectral Range
    The spectra of fullerenes C60 and C70, higher fullerenes C76, C78 and C84 and hydrogenated fullerenes (fulleranes) were studied in laboratory in the UV and in...
  • Publicación
    Stability of C60 and C70 fullerenes toward corpuscular and γ radiation
    The stability of C60 and C70 fullerenes in the interstellar medium deposited on dust surface or embedded in meteorites and comets has been simulated with γ...