Astrophysical: Techniques

  • Publication
    Unequivocal detection of the tidal deformation of a red giant in a binary system via interferometry
    While mass transfer in binary systems is a crucial aspect of binary evolution models, it remains far from understood. HD 352 is a spectroscopic binary...
  • Publication
    Unexplored outflows in nearby low luminosity AGNs. The case of NGC 1052
    Context. Multi-phase outflows play a central role in galaxy evolution shaping the properties of galaxies. Understanding outflows and their effects in low...
  • Publication
    Unveiling the ice and gas nature of active centaur (2060) Chiron using the James Webb Space Telescope
    Context. (2060) Chiron is a large centaur that has been reported active on multiple occasions at relatively large heliocentric distances, including during...
  • Publication
    Unveiling the internal structure and formation history of the three planets transiting HIP 29442 (TOI-469) with CHEOPS
    Multiplanetary systems spanning the radius valley are ideal testing grounds for exploring the different proposed explanations for the observed bimodality in the...
  • Publication
    Upper chromospheric magnetic field of a sunspot penumbra: observations of fine structure
    Aims: The fine-structure of the magnetic field in a sunspot penumbra in the upper chromosphere is to be explored and compared to that in the photosphere...
  • Publication
    Upper Limits to the Magnetic Field in Central Stars of Planetary Nebulae
    More than about 20 central stars of planetary nebulae (CSPNs) have been observed spectropolarimetrically, yet no clear, unambiguous signal of the presence of a...
  • Publication
    Using autoencoders and deep transfer learning to determine the stellar parameters of 286 CARMENES M dwarfs
    Context. Deep learning (DL) techniques are a promising approach among the set of methods used in the ever-challenging determination of stellar parameters in M...
  • Publication
    Using HARPS-N to characterize the long-period planets in the PH-2 and Kepler-103 systems
    We present confirmation of the planetary nature of PH-2b, as well as the first mass estimates for the two planets in the Kepler-103 system. PH-2b and Kepler...
  • Publication
    Using radial velocities to reveal black holes in binaries: A test case
    Aims: Large radial velocity variations in the LAMOST spectra of giant stars have been used to infer the presence of unseen companions. Some of them have been...