Giant radio flare of Cygnus X-3 detected by astronomers

(Phys.org)—Russian astronomers have recently observed a giant radio flare from a strong X-ray binary source known as Cygnus X-3 (Cyg X-3 for short). The flare occurred after more than five years of quiescence of this source. The discovery was presented in a paper published Dec. 2 on the arXiv pre-print server.