ESPRESSO Reveals a Single but Perturbed Broad-Line Region in the Supermassive Black Hole Binary Candidate PG 1302-102

Fabio Rigamonti,Paola Severgnini, Erika Sottocorno,Massimo Dotti,Stefano Covino, Marco Landoni, Lorenzo Bertassi,Valentina Braito,Claudia Cicone,Guido Cupani,Alessandra De Rosa,Roberto Della Ceca,Luca Ighina, Jasbir Singh,Cristian Vignali

ASTRONOMY & ASTROPHYSICS（2025）

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Key words

techniques: spectroscopic,galaxies: active,galaxies: interactions,quasars: emission lines,quasars: supermassive black holes,quasars: individual: PG 1302-102

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