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J. Matthee

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Preprint Oct 2026

The DAWN JWST Archive: A spectroscopically-informed population study of the physical properties of galaxies at z>2

Charting the evolution of star-formation, stellar mass and dust build-up over cosmic time relies on the accurate characterisation of the stellar population properties of high redshift galaxies. We present a catalogue of spectroscopically derived physical properties for ~12,000 galaxies at z>2, with archival JWST/NIRSpe...

R. Gottumukkala, G. Brammer, S. Toft et al. · 0 citations
Preprint Aug 2026

The ionizing properties of JWST's compact broad-line emitters

The recent JWST discovery of a numerous population of broad-line emitters (BLEs) at $z>4$ has reopened the question of whether sources other than faint galaxies contributed significantly to cosmic reionization. To assess this contribution, we present a systematic census of compact, blue broad-line emitters at $4\leq z\...

S. Mascia, J. Matthee, Alberto Torralba et al. · 0 citations

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