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RADIO-LOUD NARROW-LINE SEYFERT 1 AS A NEW CLASS OF GAMMA-RAY ACTIVE GALACTIC NUCLEI
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2009 (English)Article in journal (Refereed) Published
Abstract [en]

We report the discovery with Fermi/LAT of gamma-ray emission from three radio-loud narrow-line Seyfert 1 galaxies: PKS 1502+036 (z = 0.409), 1H 0323+342 (z = 0.061), and PKS 2004-447 (z = 0.24). In addition to PMN J0948+0022 (z = 0.585), the first source of this type to be detected in gamma rays, they may form an emerging new class of gamma-ray active galactic nuclei (AGNs). These findings can have strong implications on our knowledge about relativistic jets and the unified model of the AGN.

Place, publisher, year, edition, pages
2009. Vol. 707, no 2, L142-L147 p.
Keyword [en]
galaxies: active, galaxies: Seyfert, gamma rays: observations, quasars:, general, large-area telescope, all-sky survey, relativistic jets, pmn, j0948+0022, galaxies, emission, blazars, quasars, radiation, sample
Identifiers
URN: urn:nbn:se:kth:diva-19024DOI: 10.1088/0004-637x/707/2/l142ISI: 000272465800008Scopus ID: 2-s2.0-77949511676OAI: oai:DiVA.org:kth-19024DiVA: diva2:337071
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2011-02-15Bibliographically approved

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Ryde, Felix

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