Tag: #reionization

Study: Webb observes z=10.255 galaxy that may leak nearly all ionizing radiation

A Webb study finds a compact z=10.255 galaxy with almost no nebular lines, implying a very high Lyman-continuum escape fraction and possible impact on reionization.

#astronomy, #jameswebb, #reionization, #highredshift

JWST and Lensing Reveal Abundant Ultra-Faint Galaxies, Bolstering the Case They Powered Reionization

JWST + lensing study finds abundant ultra-faint galaxies at z≈6–9 with no turnover down to MUV≈−12, bolstering the case that faint galaxies powered reionization.

#astronomy, #jwst, #reionization, #galaxies

Astronomers Report Possible Direct Detection of Ionizing UV from Faint Galaxies at Redshift 6

A new arXiv preprint reports stacked detections of extreme‑UV photons from faint galaxies at z≈6, implying high escape fractions if confirmed.

#astronomy, #reionization, #astrosat, #hubble