Questions tagged [stellar-population]
The stellar-population tag has no usage guidance.
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What was the life cycle of population III stars?
Is the life cycle of population III, II, and I roughly the same, save in timescale? Did III go through the same phases, or equivalents of them, for instance, was their an equivalent "main ...
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What is mass-weighted age?
This seems to be a common term used in the field of stellar populations and galaxy evolution, but I can't find a good definition besides the fact that it is different from light-weighted age (a term I ...
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Earendel and HD1; identifying population 3 stars and galaxies
Will JWST be able to tell if Earendel, a 12.9 billion year old star, is a population 3 star? Or do we already know from the current Hubble observations that Earendel is a population 3 star?
I've read ...
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starting from SSP spectra to evaluate galaxy spectrum and observed mag
I know that the galaxy spectrum, namely the flux per unit wavelength versus the wavelength, is the sum of the Simple Stellar Population (SSP) spectra at a fixed redshift (e.g. similar to eq. 1 in ...
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How can a very old star be formed among Population III stars?
After looking at some articles about old stars, (this, that, and this Wikipedia article), I thought about how such an old and small star could have formed. As the early universe had very massive, ...
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