The James Webb Space Telescope may have found some of the very 1st stars

Seems Pop III stars is the best explanation, which is very satisfying!

That the models of the HeII clump dissuades direct collapse black hole illumination while models of the AGN allows for stellar remnants feeding its supermassive black hole is also satisfying. Though it could be a direct collapse black hole the observed five times Eddington rate episode is suggestive of the stellar remnants pathway.
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I read an earlier report on this topic.

Has JWST finally found the first stars in the universe?,, June 2023.

My note. "This study isn't enough to prove the presence of Population III stars, but it's a compelling argument."

A good objective statement. However, other reports on Population III stars do not limit to 500 Msun size. Others show 10^4-10^5 and interpretations of some gases as containing fossil fingerprints of these Population III stars. No confirmed pristine gas from BBN has been firmly established in the universe. Cosmology calculators show light-time 13.280 Gyr and comoving radial distance 31.905 Gly away from Earth today. Space expanding at 2.2514282E+00 or 2.25 x c velocity using H0 = 69 km/s/Mpc. The stellar evolution along the comoving radial distance from Earth today is unknown and unobservable, along with any Population III stars postulated were there and how they may have evolved.