Astrofísicas: Astroquímica

  • Publicación
    Far infrared spectroscopy and other spectral and thermal properties of [Li@C60]PF6
    The endohedral fullerene [Li@C60]+PF6− was characterized by differential scanning calorimetry (DSC), by electronic absorption spectroscopy in the spectral range...
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    Far- and mid-infrared spectroscopy of complex organic matter of astrochemical interest: coal, heavy petroleum fractions and asphaltenes
    The coexistence of a large variety of molecular species (i.e. aromatic, cycloaliphatic and aliphatic) in several astrophysical environments suggests that...
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    Far-infrared spectroscopy of proteinogenic and other less common amino acids
    Far-infrared spectroscopy is a powerful tool complementing the potential of mid-infrared spectroscopy for the search and identification of organic molecules in...
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    First evidence of the possible detection of diffuse circumstellar bands in AGB descendants
    The short transition phase between asymptotic giant branch stars (AGB; when circumstellar envelopes rich in small organic molecules are efficiently created) and...
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    Formation of Fullerenes in H-containing Planetary Nebulae
    Hydrogen depleted environments are considered an essential requirement for the formation of fullerenes. The recent detection of C60 and C70 fullerenes in what...
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    FT-IR spectroscopy of carbonized acenes: a possible key for the UIBs/AIBs origins
    The complete acene series from naphthalene to anthracene, tetracene and pentacene were carbonized directly in a differential scanning calorimeter (DSC) special...
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    GTC/CanariCam mid-IR imaging of the fullerene-rich planetary nebula IC 418
    The formation process(es) of fullerenes in space is still uncertain and several mechanisms have been proposed in the literature. In particular, the most...
  • Publicación
    GTC/CanariCam Mid-IR Imaging of the Fullerene-rich Planetary Nebula IC 418: Searching for the Spatial Distribution of Fullerene-like Molecules
    We present seeing-limited narrow-band mid-IR GTC/CanariCam images of the spatially extended fullerene-containing planetary nebula (PN) IC 418. The narrow-band...
  • Publicación
    High-resolution Optical Spectroscopy of DY Cen: Diffuse Interstellar Bands in a Proto-fullerene Circumstellar Environment?
    We search high-resolution and high-quality VLT/UVES optical spectra of the hot R Coronae Borealis star DY Cen for electronic transitions of the C60 molecule and...