Using NASA’s Fermi spacecraft, astronomers have conducted a long-term monitoring campaign of a blazar known as S5 1803+784 and have identified several gamma-ray and optical flares from this source. The finding is detailed in a paper published February 19 on arXiv.org.
![](https://scx1.b-cdn.net/csz/news/tmb/2021/gammarayando.jpg)
Source:
https://phys.org/news/2021-03-gamma-ray-optical-flares-blazar-s5.html