Tipo de publicación: Con árbitro

  • Publicación
    An observational study of rotation and binarity of Galactic O-type runaway stars
    Context.Gaia Data Release 3 (DR3) has revealed new massive runaway stars and large spectroscopic surveys have now enable detailed characterization studies...
  • Publicación
    An old, metal-poor globular cluster in Sextans A and the metallicity floor of globular cluster systems
    We report the confirmation of an old, metal-poor globular cluster (GC) in the nearby dwarf irregular galaxy Sextans A, the first GC known in this galaxy. The...
  • Publicación
    An open-source, massively parallel code for non-LTE synthesis and inversion of spectral lines and Zeeman-induced Stokes profiles
    With the advent of a new generation of solar telescopes and instrumentation, interpreting chromospheric observations (in particular, spectropolarimetry)...
  • Publicación
    An optical and H i study of the dwarf Local Group galaxy VV124 = UGC4879. A gas-poor dwarf with a stellar disk?
    We present a detailed study of the dwarf galaxy VV124 (UGC4879), recently recognized as a remarkably isolated member of the Local Group. We have obtained deep...
  • Publicación
    An optical counterpart to GRB 971227?
    Observations taken at Calar Alto and Loiano led to the possible identification of the GRB 971227 optical counterpart. Details on the observations are presented.
  • Publicación
    An optical fiber system to perform bidimensional spectroscopy
    This article describes a fiber optic system contrived to perform spectral imaging of extended objects. It consists of two fiber bundles mounted simultaneously...
  • Publicación
    An Optical Study of a Sample of Spiral Galaxies
    We present the first results of an observational project aimed at producing a database of nearby face-on spiral galaxies in the optical. The project is being...
  • Publicación
    An optical supernova associated with the X-ray flash XRF 060218
    Long-duration γ-ray bursts (GRBs) are associated with type Ic supernovae that are more luminous than average and that eject material at very high velocities...
  • Publicación
    An optical time-resolved spectroscopic study of SS Cygni. 1: Quiescence
    In this work we analyze time-resolved spectra of SS Cygni in quiescence. The geometrical and orbital fundamental parameters of the system are determined. When...