Astrofísicas: Nebulosas planetarias

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    Post-common-envelope planetary nebulae
    Close-binary central stars of planetary nebulae offer a unique tool with which to study the critical and yet poorly understood common-envelope phase of binary...
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    pPNe: Lobe-Shaping Models & HST Images
    HST images of some 50 pre planetary nebulae ("pPNe") are now available. A confrontation of images with theoretical shaping models is timely in order to...
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    Prediction of close binarity based on nebula morphology
    A thorough search of the OGLE-III microlensing project has more than doubled the total sample of PNe known to have close binary central stars. These discoveries...
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    Probing O-enrichment in C-rich dust planetary nebulae
    The abundance of O in planetary nebulae (PNe) has been historically used as a metallicity indicator of the interstellar medium (ISM), where they originated; e.g...
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    Probing the Local Planetary Nebula Luminosity Function with Gaia
    The Planetary Nebula Luminosity Function (PNLF) remains an important extragalactic distance indicator despite a still limited understanding of its most...
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    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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    PyEMILI: A New Generation Computer-aided Spectral-line Identifier. II. Emission-line Identification and Plasma Diagnostics of a Sample of Gaseous Nebulae
    In order to test the robustness and reliability of the new generation spectral-line identifier PyEMILI, as initially introduced in Paper I, in line...
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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...