Using data from ESA’s Gaia satellite, astronomers have investigated a low-metallicity galactic open cluster known as NGC 2158. The study, presented in a paper published December 11 on the arXiv pre-print server, provided important information about the properties of NGC 2158 and identified hundreds of the most likely cluster members.
Source:
https://phys.org/news/2020-12-cluster-ngc.html