Trek Fan Mapping, Continued: "The Death of Vulcan"?

So this was published in the Astronomical Journal this month:

https://doi.org/10.3847/1538-3881/ad34d5

I found out via TrekBBS. As I noted in one of my replies: we still need to keep in mind that Star Trek is as much alt-history as space adventure. All those extra nebulae, the existence of ETI confirmed, and so on...