Astronomers from Germany and France have investigated a newly discovered variable X-ray source known as 3XMM J000511.8+634018. Results of the new study suggest that the source is a polar. The finding is detailed in a paper published March 30 on the arXiv pre-print server.
Source:
https://phys.org/news/2020-04-x-ray-source-3xmm-j0005118634018-polar.html