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    National Tsing Hua University Institutional Repository > 理學院 > 天文研究所 > 期刊論文 >  Interactions among Active Galaxies: An HI Perspective

    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/53968

    Title: Interactions among Active Galaxies: An HI Perspective
    Authors: Lim J;Kuo CY;Liau WS;Greene J;Ho PTP
    教師: 賀曾樸
    Date: 2004
    Publisher: Kluwer
    Relation: RECYCLING INTERGALACTIC AND INTERSTELLAR MATTER,Book Series: IAU SYMPOSIA,Issue: 217,Pages: 424-425,Published: 2004
    Keywords: Active Galaxies
    HI Perspective
    Abstract: Galaxy-galaxy interactions is one of the leading candidates for triggering nuclear activity in galaxies. Such interactions are thought to be able to bring a fresh supply of gas to the center of a galaxy to fuel its resident supermassive black hole. Optical observations, however, do not reveal direct evidence for interactions among the majority of active galaxies. On the other hand, neutral atomic hydrogen (HI) gas has proven to be an exquisite tracer of galaxy-galaxy interactions, even when no such interactions are visible in the optical. Here, we describe our systematic HI imaging surveys of galaxies hosting active galactic nuclei (AGNs) and quasi-stellar objects (QSOs), and present a few illustrative results.
    URI: http://adsabs.harvard.edu/abs/2004IAUS..217..424L
    Appears in Collections:[天文研究所] 期刊論文

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