Astrofísicas: Nebulosas planetarias

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    SOFIA observations of the planetary nebula NGC 7009
    We report spectrophotometric observations made with SOFIA/FORCAST on 2011 June 2 UT. Optical measurements have previously shown that the abundance discrepancy...
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    Spatially resolved physical and chemical properties of the planetary nebula NGC 3242
    Aims: Optical integral-field spectroscopy was used to investigate the planetary nebula NGC 3242. We analysed the main morphological components of this source...
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    Spectral analysis of the barium central star of the planetary nebula Hen 2-39
    Context. Barium stars are peculiar red giants characterized by an overabundance of the elements synthesized in the slow neutron-capture nucleosynthesis (s...
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    Spectral and radial velocity studies of 5 northern central stars of planetary nebulae
    Spectrograms of five bright northern central stars of planetary nebulae (CSPN) are compiled in order to provide spectral descriptions of these stars, with...
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    Spectrophotometric studies of planetary nebulae with [WR] central stars.
    Not Available
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    Spectroscopic analysis tool for intEgraL fieLd unIt daTacubEs (SATELLITE): case studies of NGC 7009 and NGC 6778 with MUSE
    Integral field spectroscopy (IFS) provides a unique capability to spectroscopically study extended sources over a 2D field of view, but it also requires new...
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    Spectroscopy and shock modelling of the unusual bipolar outflow NGC 6905
    We present high and low resolution multi-slit spectroscopy, together with V, forbidden O III, and H-alpha narrow band imaging of the unusual bipolar outflow...
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    Spectroscopy of 12 [WC] planetary nebulae (Garcia-Rojas+, 2012)
    We acquired spectra at Las Campanas Observatory with the 6.5-m telescope and the Magellan Inamori Kyocera (MIKE) spectrograph, covering a wavelength range from...
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    Spectroscopy of planetary nebulae in M 33
    Spectroscopic observations of 48 emission-line objects of M 33 have been obtained with the multi-object, wide field, fibre spectrograph AF2/WYFFOS at the 4.2 m...