The Atacama Cosmology Telescope: Observations of supermassive black hole binary candidates - Strong sinusoidal variations at 95, 147, and 225 GHz in PKS 2131–021 and PKS J0805–0111
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A&A, 706 (2026) A206
Published online: 10 February 2026
DOI: 10.1051/0004-6361/202555047