Questions tagged [hypergiants]

A hypergiant (luminosity class 0 or Ia+) is a star with an enormous mass and luminosity, showing signs of a very high rate of mass loss.

Filter by
Sorted by
Tagged with
7
votes
1answer
318 views

What is the brightest star (relative magnitude) in M31?

I am wondering what the brightest individual star is in M31, the Andromeda Galaxy. Specifically, brightest as seen from Earth (so relative magnitude).
3
votes
1answer
339 views

How massive can a star be at birth? [duplicate]

We have discovered some incredibly massive stars. R136a1, the most massive known star is estimated to have 265 times mass as our Sun. Yet it has been burning for at least a million years, and must ...