The observable characteristics and subsequent evolution of young stellar populations is
dominated by their massive stars. As our understanding of those massive stars and the …

The launch of the James Webb Space Telescope (JWST) in late 2021 marks a new start for
studies of galaxy formation at high redshift (z≳ 6) during the era of cosmic reionization …

What are the faintest distant galaxies we can see with the Hubble Space Telescope (HST)
now, before the launch of the James Webb Space Telescope? This is the challenge taken …

The relationship between stellar populations and the ionizing flux with which they irradiate
their surroundings has profound implications for the evolution of the intergalactic medium …

We report the results of analyses of galactic outflows in a sample of 45 low-redshift starburst
galaxies in the COS Legacy Archive Spectroscopic SurveY (CLASSY), augmented by five …

We perform joint modeling of the composite rest-frame far-UV and optical spectra of redshift
1.85≤ z≤ 3.49 star-forming galaxies to deduce key properties of the massive stars, ionized …

We present the discovery and analysis of J1316+ 2614 at z= 3.6130, a UV-bright star-
forming galaxy (M UV≃− 24.7) with large escape of Lyman continuum (LyC) radiation …

We infer the properties of massive star populations using the far-ultraviolet stellar continua of
61 star-forming galaxies: 42 at low redshift observed with the Hubble Space Telescope and …

Early star-forming galaxies produced copious ionizing photons. A fraction of these photons
escaped gas within galaxies to reionize the entire Universe. This escape fraction is crucial …

Abstract We studied Lyman-α (Lyα) escape in a statistical sample of 43 Green Peas with
HST/COS Lyα spectra. Green Peas are nearby star-forming galaxies with strong [O iii] λ5007 …