Using a set of various ground-based telescopes, European astronomers have conducted photometric and spectroscopic observations of a symbiotic binary known as AG Draconis. Results of this observational campaign, presented in a paper published May 10 on arXiv.org, unveil the system’s peculiar outburst activity in recent years.
Source:
https://phys.org/news/2019-05-astronomers-peculiar-outburst-ag-draconis.html