Stephanie Tonnesen

2 papers · Latest: April 26, 2026

With arms wide open: a VLT/MUSE view of the mechanisms driving unwinding spiral arms in cluster galaxies

This study uses VLT/MUSE to show that spiral arm unwinding in cluster galaxies is driven by distinct mechanisms: tidal interactions or ram-pressure stripping.

2604.23911Apr 26, 2026

Galaxies & Cosmology

Too Big to Quench? I. Constraining ISM Stripping of Dwarf Satellites in Milky Way-like Halos

Simulations reveal a stellar mass of ~10^7 M☉ where ram pressure stripping of dwarf galaxy ISM becomes inefficient in MW-like halos.

2604.07613Apr 8, 2026

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