Astrofísicas: Galaxias Seyfert

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    The complex narrow-line region in NGC 4151
    New narrow-band images of NGC 4151, taken in excellent seeing conditions with the 4.2-m William Herschel Telescope are presented. These reveal a wealth of...
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    The emission line shapes of the Seyfert 1 galaxy Mrk 817
    The analysis of emission line region of Seyfert 1 galaxy Mrk 817 is presented. We found that emission line region in Mrk 817 is very complex. Moreover, the...
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    The ENLR of NGC 4151 - Spatial variations of the line ratios
    The first results of an analysis of the spatial variations along and across the ENLR of NGC 4151 are presented. The excitation of the gas clearly decreases with...
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    The extended narrow line region of NGC 4151
    We present high quality long-slit spectra of the extended narrow line region (ENLR) near the nucleus of NGC 4151. We have used these data to map the spatial...
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    The extended narrow line region of NGC 4151. I - Emission line ratios and their implications
    The paper presents the first results from long-slit spectra of the Seyfert galaxy NGC 4151 which give average diagnostic ratios of weak lines in the Extended...
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    The extended narrow-line region in NGC 4151
    This paper presents high-resolution, high dynamic range narrow-band images of the extended narrow-line region (ENLR), as well as broad-band continuum images, of...
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    The Galaxy Activity, Torus, and Outflow Survey (GATOS). IV. Exploring Ionized Gas Outflows in Central Kiloparsec Regions of GATOS Seyferts
    Utilizing JWST MIRI/Medium Resolution Spectrograph integral field unit observations of the kiloparsec-scale central regions, we showcase the diversity of...
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    The kinematics of the extended gas in the Seyfert galaxy NGC 3516
    Long-slit spectroscopy of the extended gas in the Seyfert galaxy NGC 3516 reveals considerable substructure in the narrow emission lines with several...
  • Publicación
    The O III narrow line shapes in spectra of Mrk 817.
    The O III (4959, 5007) lines from spectra of Mrk 817 obtained from a 9-year long period were analyzed. A blue asymmetry of the lines is noticeable. The authors...