469 citations · 3.6k across the 78 of their papers we have counts for
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Cosmology from gravitational lens time delays and Planck data
S. H. Suyu, T. Treu, S. Hilbert +11
Under the assumption of a flat Lambda-CDM cosmology, recent data from the Planck satellite point toward a Hubble constant that is in tension with that measured by gravitational len…
A low-mass cut-off near the hydrogen burning limit for Salpeter-like initial mass functions in early-type galaxies
Matteo Barnabè, Chiara Spiniello, Léon V. E. Koopmans +3
We conduct a detailed investigation of the properties of the stellar initial mass function (IMF) in two massive early-type lens galaxies with velocity dispersions of sigma ~245 km/…
The stellar IMF determined in early-type galaxies from a non-degenerate set of optical line indices
Chiara Spiniello, Scott Trager, Léon V. E. Koopmans +1
We investigate the optical spectral region of spectra of 1000 stars searching for IMF-sensitive features to constrain the low-mass end of the initial mass function (IMF) slope in e…