Journal: Astronomy and Astrophysics

  • Publication
    The OTELO survey. Nature and mass-metallicity relation for Hα emitters at z ∼ 0.4
    Context. A sample of low-mass Hα emission line sources at z ∼ 0.4 was studied in the context of the mass-metallicty relation (MZR) and its possible evolution...
  • Publication
    The OTELO survey. Revealing a population of low-luminosity active star-forming galaxies at z ∼ 0.9
    Aims: We study a sample of Hβ emission line sources at z ∼ 0.9 to identify the star-forming galaxies sample and characterise them in terms of line luminosity...
  • Publication
    The outburst and nature of two young eruptive stars in the North America/Pelican Nebula Complex
    Context. The sudden optical brightening of two young stellar objects, HBC 722 and VSX J205126.1+440523, located in the North America/Pelican Nebula Complex, was...
  • Publication
    The outburst of the eruptive young star OO Serpentis between 1995 and 2006
    Aims:OO Serpentis is a deeply embedded pre-main sequence star in the Serpens NW star-forming region. The star went into outburst in 1995 and gradually faded...
  • Publication
    The outflow structure of NGC 6537.
    We present high and low resolution spectroscopy and narrow-band imaging of the unusual bipolar outflow source NGC 6537. As a consequence, we are able for the...
  • Publication
    The oxygen abundance gradient in M 101: The reliability of the P method
    We present the oxygen abundance determination for 90 H II regions in the inner parts of the grand design galaxy M 101. The abundances were derived employing the...
  • 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...
  • Publication
    The PAU Survey: Galaxy stellar population properties estimates with narrowband data
    A newfound interest has been seen in narrowband galaxy surveys as a promising method for achieving the necessary accuracy on the photometric redshift estimate...
  • Publication
    The Penn State - Toruń Centre for Astronomy Planet Search stars
    Aims: We present the complete spectroscopic analysis of 455 stars observed within the Penn State - Toruń Centre for Astronomy Planet Search (PTPS) with the High...