Astrofísicas: Nebulosas planetarias

  • Publicación
    Unveiling shocks in planetary nebulae
    The propagation of a shock wave into a medium is expected to heat the material beyond the shock, producing noticeable effects in intensity line ratios such as...
  • Publicación
    Unveiling the structure of the planetary nebula M 2-48:. Kinematics and physical conditions
    The kinematics and physical conditions of the bipolar planetary nebula M 2-48 are analysed from high and low dispersion long-slit spectra. Previous CCD narrow...
  • Publicación
    Unveiling the Structure of the Planetary Nebula M2-48
    The PN M2-48 is formed by three main structures, namely, a bipolar central region (CR), a set of knots tracing a semicircular shell surrounding CR, and two...
  • Publicación
    Variability of Central Stars of Planetary Nebulae with the Zwicky Transient Facility. II. Long-timescale Variables including Wide Binary and Late Thermal Pulse Candidates
    In this second paper on our variability survey of central stars of planetary nebulae (CSPNe) using the Zwicky Transient Facility (ZTF), we report 11 long...
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    Variable central stars of young planetary nebulae. I. Photometric multisite observations of IC 418.
    We report the results of a photometric multisite campaign devoted to HD 35914, the variable central star of the Planetary Nebula IC 418. From the analysis of...
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    Very Large Telescope Echelle Spectrophotometry of the Planetary Nebula NGC 5307 and Temperature Variations
    Echelle spectrophotometry of the planetary nebula NGC 5307 is presented. The data consist of Very Large Telescope Ultraviolet Visual Echelle Spectrograph...
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    VLT/FORS1 spectrophotometry of the first planetary nebula discovered in the Phoenix dwarf galaxy
    Context: A planetary nebula (PN) candidate was discovered during FORS imaging of the Local Group dwarf galaxy Phoenix. Aims: We use this PN to complement...
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    Watching PrePNe Evolve: 15 Years of HST Observations
    Multi-epoch HST images have been obtained for the pre planetary nebulae CRL618, CRL2688, and Hen3-1475. Each object shows clear and idiosyncratic expansion...
  • Publicación
    WEAVE imaging spectroscopy of NGC 6720: an iron bar in the Ring
    We present spatially resolved spectroscopic observations of the planetary nebula NGC 6720, the Ring Nebula, taken during the science verification phase of WEAVE...