Publication type: Non-refereed

  • Publication
    Planetary nebula LoTr5: hints of a possible third companion in a long-period binary central star
    LoTr 5 is a planetary nebula with an unusual long-period binary central star. The pair consists of a rapidly rotating G-type star and a hot star, which is...
  • Publication
    Planetary nebulae abundances (Perinotto+ 1998)
    Long slit spectrophotometry of 13 bipolar planetary nebulae has been used to study their physical and chemical properties. In each nebula, one to seven...
  • Publication
    Planetary Nebulae catalogue with Gaia EDR3
    We have created a new Planetary Nebulae (PNe) catalogue by using astrometric and photometric data from Gaia EDR3. Firstly, we have developed an algorithm that...
  • Publication
    Planetary nebulae search in the outskirts of M33: looking for the farthest candidates
    The nearby disc galaxy M33 is one of the best laboratories for testing chemical evolution models in galaxies and for understanding disc formation mechanisms. In...
  • Publication
    Planetary Nebulae: What Can They Tell Us About Close Binary Evolution?
    It is now clear that a binary pathway is responsible for a significant fraction of planetary nebulae, and the continually increasing sample of known central...
  • Publication
    Planetary Size Comparisons: a Photographic Study
    Not Available
  • Publication
    Planetary size comparisons: A photographic study
    Over the past two decades NASA spacecraft missions obtained photographs permitting accurate size measurements of the planets and moons, and their surface...
  • Publication
    Planetary Size Comparisons: a Photographic Study
    Not Available
  • Publication
    Planetary size comparisons: a photographic study.
    Over the past two decades NASA spacecraft have visited many of the planets and moons of the solar system. During these missions many detailed photographs were...