3 ms·

Previous discussion. https://news.ycombinator.com/item?id=12470614 https://news.ycombinator.com/item?id=12470614

• perihelions 4y ago
  - "Some as-yet unidentified process is replenishing the star's isotopes. An idea I've seen[1] is that the radiation from its neutron star sibling, invisible to us, is powerful enough to trigger nuclear reactions in the star's ionosphere." Seems that idea's been excluded since then (?) - "The big problem with this is that these are sharp lines, so we can measure radial velocities to Przybylski’s Star, and it does not have a short period neutron star companion." https://sites.psu.edu/astrowright/2017/03/16/przybylskis-star-iii-neutron-stars-unbinilium-and-aliens/ https://sites.psu.edu/astrowright/2017/03/16/przybylskis-sta...