Astrofísicas: Galaxias

  • Publicación
    A post-merger enhancement only in star-forming Type 2 Seyfert galaxies: the deep learning view
    Supermassive black holes require a reservoir of cold gas at the centre of their host galaxy in order to accrete and shine as active galactic nuclei (AGN). Major...
  • Publicación
    A prediction about the age of thick discs as a function of the stellar mass of the host galaxy
    One of the suggested thick disc formation mechanisms is that they were born quickly and in situ from a turbulent clumpy disc. Subsequently, thin discs formed...
  • Publicación
    A principal component analysis approach to the star formation history of elliptical galaxies in compact groups
    Environmental differences in the stellar populations of early-type galaxies are explored using principal component analysis (PCA), focusing on differences...
  • Publicación
    A probabilistic deep learning model to distinguish cusps and cores in dwarf galaxies
    Numerical simulations within a cold dark matter (DM) cosmology form haloes whose density profiles have a steep inner slope ('cusp'), yet observations of...
  • Publicación
    A QSO Discovered at the Redshift of the Extended X-Ray Cluster RX J0152.7-1357
    The galaxy cluster RX J0152.7-1357 at z=0.8325 is one of the most luminous X-ray clusters known. It is elongated toward the bright, nearby, X-ray active galaxy...
  • Publicación
    A quantitative demonstration that stellar feedback locally regulates galaxy growth
    We have applied stellar population synthesis to 500-pc-sized regions in a sample of 102 galaxy discs observed with the MUSE spectrograph. We derived the star...
  • Publicación
    A quartet of black holes and a missing duo: probing the low end of the MBH-σ relation with the adaptive optics assisted integral-field spectroscopy
    We present mass estimates of supermassive black holes in six nearby fast rotating early-type galaxies (NGC 4339, NGC 4434, NGC 4474, NGC 4551, NGC 4578, and NGC...
  • Publicación
    A quartet of black holes and a missing duo: probing the low end of the MBH-σ relation with the adaptive optics assisted integral-field spectroscopy
    We present mass estimates of supermassive black holes in six nearby fast rotating early-type galaxies (NGC 4339, NGC 4434, NGC 4474, NGC 4551, NGC 4578, and NGC...
  • Publicación
    A quasar hiding behind two dusty absorbers. Quantifying the selection bias of metal-rich, damped Lyα absorption systems
    The cosmic chemical enrichment as measured from damped Lyα absorbers (DLAs) will be underestimated if dusty and metal-rich absorbers have evaded identification...