Black hole mystery: Could discovery be a massive neutron star?

However, a closer look at the star itself reveals it is a fascinating object in its own right, because only very few stripped helium stars have so far been discovered.

Astronomers from Friedrich-Alexander-Universität Erlangen-Nürnberg and the University of Potsdam made a closer investigation of the archival spectrum of LS V+22 25, taken by Hawaii’s Keck telescope.

In particular, they were interested in studying the abundances of the chemical elements on the stellar surface.

The team detected deviations in the abundances of helium, carbon, nitrogen, and oxygen compared to the standard composition of a young massive star.


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