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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)In: ASTROPHYS J LETT, Vol. 707, no 2, p. l142-L147Article 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, p. l142-L147
Keywords [en]
galaxies: active, galaxies: Seyfert, gamma rays: observations, quasars: general
National Category
Physical Sciences
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URN: urn:nbn:se:su:diva-59418DOI: 10.1088/0004-637X/707/2/L142ISI: 000272465800008OAI: oai:DiVA.org:su-59418DiVA, id: diva2:427124
Note
authorCount :149Available from: 2011-06-27 Created: 2011-06-27 Last updated: 2022-02-24Bibliographically approved

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Conrad, Jan

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