Publication type: Refereed

  • Publication
    Ultralight bosonic dark matter in white dwarfs and potential observational consequences
    Fluid and ultralight bosonic dark matter can interact through gravity to form stable fermion-boson stars, which are static and regular mixed solutions of the...
  • Publication
    Ultramassive Black Holes in the Most Massive Galaxies: M<SUB>BH</SUB>-σ versus M<SUB>BH</SUB>-R<SUB>b</SUB>
    We investigate the nature of the relations between black hole (BH) mass (M BH) and the central velocity dispersion (σ) and, for core-Sérsic galaxies, the size...
  • Publication
    Ultraviolet and infrared monitoring of FG Sagittae during 1982-1989 - Evolutionary status
    Ultraviolet IUE spectra and infrared JHKL photometry of FG Sge obtained over the period 1982-1989 indicate that the cooling rate of the star observed until...
  • Publication
    Ultraviolet and optical spectroscopy of a B supergiant star in M 31
    We present and discuss the UV spectrum of the supergiant star in NGC206-277 in M 31, obtained with the Faint Object Spectrograph (FOS) on Hubble Space Telescope...
  • Publication
    Ultraviolet spectropolarimetry with Polstar: using Polstar to test magnetospheric mass-loss quenching
    Polstar is a proposed NASA MIDEX space telescope that will provide high-resolution, simultaneous full-Stokes spectropolarimetry in the far ultraviolet, together...
  • Publication
    Ultraviolet spectropolarimetry: investigating stellar magnetic field diagnostics
    Magnetic fields are important for stellar photospheres and magnetospheres, influencing photospheric physics and sculpting stellar winds. Observations of stellar...
  • Publication
    Ultraviolet-excess sources with a red/infrared counterpart: low-mass companions, debris discs and QSO selection
    We present the result of the cross-matching between ultraviolet (UV)-excess sources selected from the UV-Excess Survey of the Northern Galactic Plane (UVEX) and...
  • Publication
    Umbral dots - A case of penetrative convection between sunspot fragments
    A study of the observations made on the development and, in some cases, even the decay of 15 large active regions is presented. It is shown that the mature...
  • Publication
    Una hierofanía solar en el santuario ibérico de Castellar (Jaén)
    Presentamos el estudio de lo que interpretamos como una posible hierofanía en la Cueva de la Lobera, en el santuario ibérico de Castellar (Jaén). El fenómeno...