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PKS 2131-021 – Discovery of Strong Coherent Sinusoidal Variations from Radio to Optical Frequencies: Compelling Evidence for a Blazar Supermassive Black Hole Binary

S. Kiehlmann, P. V. de la Parra,A. G. Sullivan, A. Synani,I. Liodakis,P. Mróz, S. K. Næss,A. C. S. Readhead,M. C. Begelman,R. D. Blandford,K. Chatziioannou,Y. Ding,M. J. Graham,F. Harrison,D. C. Homan,T. Hovatta,S. R. Kulkarni,M. L. Lister,R. Maiolino,W. Max-Moerbeck, B. Molina,C. P. O'Dea,V. Pavlidou,T. J. Pearson,M. F. Aller,C. R. Lawrence,T. J. W. Lazio, S. O'Neill,T. A. Prince,V. Ravi,R. A. Reeves,K. Tassis,M. Vallisneri,J. A. Zensus

The Astrophysical Journal（2025）

Cited 0|Views31
Key words
Relativistic jets,Radio jets,Active galactic nuclei,Supermassive black holes
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