activity
20192026
most citedDiscovery of late-time X-ray flare and anomalous emission line enhancement after the nuclear optical outburst in a narrow-line Seyfert 1 Galaxy

19 citations · 59 across the 6 of their papers we have counts for

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astro-ph.HE2026

The -ray-emitting blazar B3 1239+376 at = 3.82 identified in a multi-wavelength context

Wei Zhang, Neng-Hui Liao, Hao-Yi Huang +6

Among thousands of extragalactic -ray emitters, only a handful of distant ( 3) sources are detected. Yet, they are crucial probes shedding light on the cosmic evolution of…