Astrophysical: Methods

  • Publication
    The OmegaWhite Survey for short period variable stars - II. An overview of results from the first four years
    OmegaWhite is a wide-field, high cadence, synoptic survey targeting fields in the southern Galactic plane, with the aim of discovering short period variable...
  • Publication
    The onset of solar cycle 24. What global acoustic modes are telling us
    We study the response of the low-degree, solar p-mode frequencies to the unusually extended minimum of solar surface activity since 2007. A total of 4768 days...
  • Publication
    The orientation of galaxy dark matter haloes around cosmic voids
    Using the Millennium N-body Simulation we explore how the shape and angular momentum of galaxy dark matter haloes surrounding the largest cosmological voids are...
  • Publication
    The origin of stars in the inner 500 parsecs in TNG50 galaxies
    We investigate the origin of stars in the innermost 500 pc of galaxies spanning stellar masses of $5\times 10^{8-12}\, \mathrm{M}_{\odot }$ at z = 0 using the...
  • Publication
    The origin of the light distribution in spiral galaxies
    We analyse a high-resolution, fully cosmological, hydrodynamical disc galaxy simulation, to study the source of the double-exponential light profiles seen in...
  • Publication
    The origin of the mid-infrared nuclear polarization of active galactic nuclei
    We combine new (NGC 1275, NGC 4151, and NGC 5506) and previously published (Cygnus A, Mrk 231, and NGC 1068) sub-arcsecond resolution mid-infrared (MIR; 8-13 μm...
  • Publication
    The Osiris Tunable Imager and Spectrograph: a 2004 Status Report
    OSIRIS (Optical System for Imaging and low Resolution Integrated Spectroscopy) is the optical Day one instrument for the GTC and the only Spanish Day One...
  • Publication
    The OTELO Project
    The OTELO Project is an extragalactic survey under way using the tunable filters of the instrument OSIRIS at the GTC. OTELO is already providing the deepest...
  • Publication
    The PAU Survey and Euclid: Improving broadband photometric redshifts with multi-task learning
    Current and future imaging surveys require photometric redshifts (photo-zs) to be estimated for millions of galaxies. Improving the photo-z quality is a major...