Astrophysical: Methods

  • Publication
    Exploring the Sun's upper atmosphere with neural networks: Reversed patterns and the hot wall effect
    We have developed an inversion procedure designed for high-resolution solar spectro-polarimeters, such as those of Hinode and the DKIST. The procedure is based...
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    Extreme value theory and the solar cycle
    Aims:We investigate the statistical properties of the extreme events of the solar cycle as measured by the sunspot number. Methods: The recent advances in the...
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    Extreme-ultraviolet (EUV) observables of simulated plasmoid-mediated reconnection in the solar corona
    Context. Understanding the role of magnetic reconnection in the heating and dynamics of the solar atmosphere requires detailed observational data of any...
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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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    Fast Inversion of Spectral Lines Using Principal Components Analysis. II. Inversion of Real Stokes Data
    The principal components analysis (PCA) technique is used to develop an extremely fast and stable Stokes inversion code, suitable for application to large data...
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    Feature Extraction Techniques for the Analysis of Spectral Polarization Profiles
    This paper introduces a novel feature extraction technique for the analysis of spectral line Stokes profiles. The procedure is based on the use of an...
  • Publication
    Featureless transmission spectra of 12 giant exoplanets observed by GTC/OSIRIS
    Context. Exoplanet atmospheres are the key to understanding the nature of exoplanets. To this end, transit spectrophotometry provides us opportunities to...
  • Publication
    Field-level Lyman-α forest modeling in redshift space via augmented nonlocal Fluctuating Gunn-Peterson Approximation
    Context. Devising fast and accurate methods of predicting the Lyman-α forest at the field level, avoiding the computational burden of running large-volume...