INTEGRAL observation of 3EG J1736-2908

G. Di Cocco, L. Foschini, P. Grandi, G. Malaguti, A.J. Castro-Tirado, S. Chaty, A.J. Dean, I. Grenier, W. Hermsen, L. Kuiper, Niels Lund, F. Mirabel

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    The possible identification by INTEGRAL of the EGRET source 3EG J1736-2908 with the active galactic nucleus GRS 1734-292 is discussed. The latter was discovered in 1990 and later identified with a Seyfert 1 galaxy. At the time of the compilation of the 3rd EGRET Catalog, it was not considered as a possible counterpart of the source 3EG J1736-2908, which remained unidentified. A detailed multiwavelength study of the EGRET error circle is presented, by including archival radio, soft- and hard-X observations, suggesting that GRS 1734-292 could be a likely counterpart of 3EG J1736-2908, even though this poses very interesting questions about the production mechanisms of gamma-rays with energies greater than 100 MeV.
    Original languageEnglish
    JournalAstronomy and Astrophysics
    Volume425
    Issue number1
    Pages (from-to)89-93
    ISSN0004-6361
    Publication statusPublished - 2004

    Keywords

    • gamina-rays : observations
    • X-rays : galaxies
    • galaxies : individual : GRS 1734-292
    • galaxies : active

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