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- W2952380923 abstract "High redshift blazars are among the most powerful objects in the Universe. Although they represent a significant fraction of the extragalactic hard X-ray sky, they are not commonly detected in gamma-rays. High redshift (z>2) objects represent <10 per cent of the AGN population observed by Fermi so far, and gamma-ray flaring activity from these sources is even more uncommon. The characterization of the radio-to-gamma-ray properties of high redshift blazars represent a powerful tool for the study of both the energetics of such extreme objects and the Extragalactic Background Light. We present results of a multi-band campaign on TXS 0536+145, which is the highest redshift flaring gamma-ray blazar detected so far. At the peak of the flare the source reached an apparent isotropic gamma-ray luminosity of 6.6x10^49 erg/s, which is comparable with the luminosity observed from the most powerful blazars. The physical properties derived from the multi-wavelength observations are then compared with those shown by the high redshift population. In addition preliminary results from the high redshift flaring blazar PKS 2149-306 will be discussed." @default.
- W2952380923 created "2019-06-27" @default.
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- W2952380923 date "2015-03-02" @default.
- W2952380923 modified "2023-09-23" @default.
- W2952380923 title "Flaring gamma-ray emission from high redshift blazars" @default.
- W2952380923 cites W3038064033 @default.
- W2952380923 doi "https://doi.org/10.48550/arxiv.1503.00480" @default.
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