Astrofísicas: Nebulosas planetarias

  • Publicación
    Properties of central stars of planetary nebulae with distances in Gaia DR2
    Context. We have compiled a catalogue of central stars of planetary nebulae (CSPN) with reliable distances and positions obtained from Gaia Data Release 2 (DR2)...
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    PyNeb: a new tool for analyzing emission lines. I. Code description and validation of results
    Analysis of emission lines in gaseous nebulae yields direct measures of physical conditions and chemical abundances and is the cornerstone of nebular...
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    Quadrupolar Planetary Nebulae: A New Morphological Class
    In the context of the Instituto de Astrofisica de Canarias (IAC) morphological survey of Galactic planetary nebulae (PNs), a new morphological class has been...
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    Radial metallicity gradients with Galactic nebular probes
    The study of radial metallicity gradients in the disc of the Milky Way is a powerful tool to understand the mechamisms that have been acting in the formation...
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    Ram Pressure Stripping in Planetary Nebulae
    We present two-dimensional numerical simulations of the evolution of a low-mass star moving supersonically through its surrounding interstellar medium (ISM). We...
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    Recent variability of the central star of the planetary nebula NGC 2346.
    The authors report photoelectric and CCD photometry of V651 Mon, the central star of the planetary nebula NGC 2346, made in April - May and November, 1992...
  • Charla
    Recovering lenticular galaxies past histories using planetary nebulae kinematics: the case of NGC1023
    We present a detailed study of the lenticular galaxy NGC 1023 kinematics. To perform this analysis we use planetary nebulae (PNe). which can be observed in the...
  • Charla
    Rediscovering the hydrogen atom
    Common wisdom identifies hydrogen lines in photoionized region with recombination lines. However, these lines can also be excited by different atomic mechanisms...
  • Publicación
    Resolved line profiles of PNe in NGC6822.
    "Using high resolution spectroscopic data obtained with Magellan Inamori Kyocera Echelle (MIKE) at the Magellan telescope at Las Campanas Observatory it was...