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3 votes
0 answers
30 views

How reliable is it to use globular cluster lumniosity function as a distance indicator?

I have seen many research suggesting that GCLF can be used as a secondary distance indicator for extragalactic objects. However, this method seems to be only reliable when the GCs in use come from say,...
NamelessGods's user avatar
1 vote
1 answer
199 views

How far apart are stars in Terzan 5 cluster?

I've just learned about the Terzan 5 globular cluster, which according to Wikipedia has one of the highest star densities in our Galaxy - $10^6\ M_\odot/\mathrm{pc}^3$. Problem is, I've no idea how ...
Tomasz Pluskiewicz's user avatar