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Weak Lensing Reveals a Tight Connection Between Dark Matter Halo Mass and the Distribution of Stellar Mass in Massive Galaxies
Song Huang, Alexie Leauthaud, Andrew Hearin +9
Using deep images from the Hyper Suprime-Cam (HSC) survey and taking advantage of its unprecedented weak lensing capabilities, we reveal a remarkably tight connection between the s…
A Detection of the Environmental Dependence of the Sizes and Stellar Haloes of Massive Central Galaxies
Song Huang, Alexie Leauthaud, Jenny Greene +6
We use ~100 square deg of deep (>28.5 mag arcsec in i-band), high-quality (median 0.6 arcsec seeing) imaging data from the Hyper Suprime-Cam (HSC) survey to reveal the halo…
Evidence for radial variations in the stellar mass-to-light ratio of massive galaxies from weak and strong lensing
Alessandro Sonnenfeld, Alexie Leauthaud, Matthew W. Auger +4
The Initial Mass Function (IMF) for massive galaxies can be constrained by combining stellar dynamics with strong gravitational lensing. However, this method is limited by degenera…