Author

S. Vegetti

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Preprint Oct 2026

Euclid Quick Data Release (Q1). Mass-to-light ratio of elliptical galaxies: constraints from strong lensing

Mass is among the most fundamental properties describing a galaxy. The relation between the luminosity and the total mass of a galaxy contains information on the efficiency of the star formation process and on the distribution of dark matter. We used strong gravitational lensing data from the Euclid Quick Data Release...

Euclid Collaboration A. Sonnenfeld, A. Nersesian, K. Rojas et al. · 0 citations

Preprint Oct 2026

Tracing small-scale structure formation through cosmic time with strong gravitational lensing: A case for a next-generation sub-millimetre/millimetre interferometer

The nature of dark matter and the growth of supermassive black holes (SMBHs) remain major open questions in modern astrophysics. Both leave a key signature in an overlapping, largely unexplored mass range: $<10^7$ M$_{\odot}$ dark haloes and wandering black holes. These may be undetectable directly, but detectable thro...

H. Stacey, J. McKean, M. Pandey-Pommier et al. · 0 citations