Astrophysical: Pre-main sequence stars

  • Publication
    The lithium resonance line in T Tauri stars
    High-resolution spectra provide evidence of the Li-I 6707 line in 28 of the stars, and the significance of the results is discussed. The Li-I equivalent widths...
  • Publication
    The nature of the cometary nebula 1548 C27
    Results are presented on optical and near-IR photometry of cometary nebula 1548 C27, together with associated high and intermediate resolution spectroscopy of...
  • Publication
    Three new young objects from the IRAS Point Source Catalogue
    Three new young objects have been found when carrying out a survey of IRAS sources with infrared colors like planetary nebulae, via low resolution spectroscopy...
  • Publication
    Understanding the Angular Momentum Evolution of T Tauri and Herbig Ae/Be Stars
    We investigate a sample of six Herbig Ae/Be stars belonging to the Orion OB1 association, as well as 73 low-mass objects, members of the σ Orionis cluster, in...
  • Publication
    Weak and post-T Tauri stars around B-type members of the Scorpius-Centaurus OB association
    I report medium-resolution spectroscopic observations of six H emission-line stars proposed by Meyer et al. (1993) to be T Tauri stars formed in the vicinity of...