The Astrophysical Journal · 29 October 2026 · From issue 59

The Emergence of X-Ray Emission Lines during Relativistic Radio-jet Formation in the Changing-look Active Galactic Nucleus 1ES 1927+654

A black hole's winds weakened as it switched to shooting out a fast particle jet.

Dev R. Sadaula, Sibasish Laha et al.

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