Fabian Walter
3 papers · Latest:
Galaxies & Cosmology
Nowhere Left to Hide: Uncovering All of the Massive Young Embedded Star Clusters in the Antennae with JWST
JWST revealed 45 deeply embedded, young star clusters in the Antennae galaxies, dominating ionizing luminosity and suggesting shock-heated gas aids their formation.
2605.03124
Galaxies & CosmologyLife After the Quasar: Overmassive Black Holes and Remnant Ionised Bubbles in and Around Two z~6.6 Galaxies
JWST reveals two z~6.6 galaxies with overmassive black holes and remnant ionised bubbles, suggesting post-quasar systems where AGN feedback delayed stellar growth.
2605.00763
Galaxies & CosmologySpatially resolved metallicity and ionization in the merging system Gz9p3 at z=9.3
JWST reveals spatially resolved ISM properties in a z=9.3 merging galaxy, showing distinct star formation and metallicity in its central clump and tail.
2604.22460
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