The VHE gamma-ray periodicity of PG1553+113: A possible probe of a system of binary supermassive black hole

Authors :: Antonio Stamerra
Paolo Da Vela
Josefa González
Stefano Covino
Ulisses Barres de Almeida
Angelo Antonelli
Elina Lindfors
Angela Sandrinelli
Giacomo Bonnoli
Elisa Prandini
S. Paiano
Gareth Hughes
Source :: Scopus-Elsevier, NASA Astrophysics Data System

Subjects :: Physics
Supermassive black hole
Gamma ray
Binary number
Astrophysics

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