Breakthrough Listen Making synthetic technosignatures to aid radio SETI searches In the search for extraterrestrial intelligence (SETI), we are fundamentally looking for signals that have never been detected before. That said, in radio SETI, we do make the assumption that intelligent civilizations emit
GBT Breakthrough Listen observations of the “Random Transiter” HD 139139 A mysterious stellar system was identified this year, exhibiting 28 transit-like events over 87 days in Kepler data. This system is called EPIC 249706694 / HD 139139, and many proposed astrophysical transit scenarios have