Astronomers have performed spectroscopic observations of a neutrino-emitting blazar known as TXS 0506+056. Results of this observational campaign, presented in a paper published November 28 on the arXiv pre-print server, shed more light on the nature of this mysterious object.
Source:
https://phys.org/news/2020-12-neutrino-emitting-blazar-txs.html