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INTEGRAL observation of 3EG J1736-2908

  • G. Di Cocco
  • , L. Foschini
  • , P. Grandi
  • , G. Malaguri
  • , A. J. Castro-Tirado
  • , S. Chaty
  • , A. J. Dean
  • , N. Gehrels
  • , I. Grenier
  • , W. Hermsen
  • , L. Kuiper
  • , N. Lund
  • , F. Mirabel
  • Ev-K2-CNR Committee
  • Instituto de Astrofísica de Andalucía-CSIC
  • Laboratoire de Probabilités et Modèles Aléatoires
  • University of Southampton
  • NASA Goddard Space Flight Center
  • CNRS
  • SRON - Netherlands Institute for Space Research
  • Technical University of Denmark

Résultats de recherche: Contribution à un journalArticleRevue par des pairs

Résumé

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 γ-rays with energies greater than 100 MeV.

langue originaleAnglais
Pages (de - à)89-93
Nombre de pages5
journalAstronomy and Astrophysics
Volume425
Numéro de publication1
Les DOIs
étatPublié - 1 oct. 2004

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