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  • 1
    Electronic Resource
    Electronic Resource
    The impact of comet SL9 with Jupiter: IR observations at TIRGO (1994)
    Springer
    Earth, moon and planets 66 (1994), S. 83-89 
    Details
    ISSN: 1573-0794
    Keywords: Jupiter ; Comets ; Comet Shoemaker-Levy 9 ; Infrared
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Infrared images of Jupiter have been obtained on 5 nights before, during and shortly after the period of the impacts of the fragments of comet Shoemaker-Levy 9 (1993e) with the giant planet. Long lived bright spots produced by the impacts have been measured and analyzed. By measuring the intensity variation of the spots as a function of Jupiter rotation we show that these spots are likely constituted by large and thin clouds of dust located above the methane layer. The IR relative albedos has been also measured for some of these spots.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00612888
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    NGC 985: Interactions and the origin of AGNs (1990)
    Springer
    Astrophysics and space science 171 (1990), S. 131-134 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Observations of the Seyfert galaxy NGC 985 have revealed large-scale extended ionized zones, covering a large fraction of the ring-shaped structure of this galaxy. These ionized regions are a major contributor to the total far-infrared emission of this object. An interaction driven starburst is proposed to explain the main features of this galaxy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00646833
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Extended ionized emission from Seyfert galaxies (1989)
    Springer
    Astrophysics and space science 157 (1989), S. 173-177 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Preliminary results of a programme aimed at investigating the presence of Hii regions around Seyfert nuclei are presented. We have detected extended zones of ionized gas around some classical Seyfert galaxies. We think that the ionizing mechanism in these extended regions is UV radiation from young stars formed in a recent burst of star formation. In many instances the objects studied show morphological disturbances arising from the interaction with nearby companion galaxies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00637325
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    Paper (German National Licenses)
    Fulltext
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