KFU astronomer contributed to blazar research

Kazan Federal University was represented by Omar Kurtanidze, Chief Research Associate at KFU Near Space Studies Lab and Research Associate at Abastumani Observatory.

Blazars are high-energy objects emitting relativistic jets which are perpendicular to their accretion disks. The latter supposedly have supermassive black holes in their centers. Blazars' jets are angularly oriented towards Earth. Blazars are characterized by rapid and noticeable changes in brightness in all frequencies.

The researchers found that the long-term trends in spectral variability, amplitudes and lengths of CTA 102 beaming are better explained by a twisted inhomogeneous jet which changes its orientation and rotates.

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Source: Blazar spectral variability as explained by a twisted inhomogeneous jet

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Related Journal Article

http://dx.doi.org/10.1038/nature24623

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