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Searching for misaligned active galactic nuclei among blazar candidates in the Fourth Fermi-LAT catalog
Journal of High Energy Astrophysics ( IF 10.2 ) Pub Date : 2020-08-05 , DOI: 10.1016/j.jheap.2020.07.002
Graziano Chiaro , Giovanni La Mura , Alberto Domínguez , Susanna Bisogni

Radio-loud sources with blazar-like properties, but having a jet that does not directly point in the direction of the observer are among the most interesting classes of γ-ray emitters. These sources are known as Misaligned Active Galactic Nuclei (MAGN). Understanding MAGN properties is useful to improve the knowledge of blazar energetics. We searched for new MAGN candidates among the remaining blazars of uncertain type detected by the Fermi Large Area Telescope (LAT) using a methodology based on characterizing their radio morphology. We identified seven candidates associated with γ-ray sources. Their features are compatible with a source with a misaligned relativistic jet consistent with the definition of MAGN.



中文翻译:

在第四费米-LAT目录中的blazar候选物中搜索未对准的活跃银河核

具有blazar样性质但射流不直接指向观察者方向的射电声源是最有趣的γ射线发射器类别。这些来源被称为错位活动银河核(MAGN)。了解MAGN属性对于提高blazar能量学知识很有帮助。我们在费米大面积望远镜(LAT)探测到的不确定类型的剩余酒中,使用了表征其无线电形态特征的方法,寻找了新的MAGN候选物。我们确定了与γ射线源相关的七个候选物。它们的特征与符合MAGN定义的相对论射流未对准的源兼容。

更新日期:2020-08-05
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