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DSPS: Differentiable Stellar Population Synthesis
Andrew P. Hearin, Jonás Chaves-Montero, Alex Alarcon +2
Models of stellar population synthesis (SPS) are the fundamental tool that relates the physical properties of a galaxy to its spectral energy distribution (SED). In this paper, we…
The Outer Stellar Mass of Massive Galaxies: A Simple Tracer of Halo Mass with Scatter Comparable to Richness and Reduced Projection Effects
Song Huang, Alexie Leauthaud, Christopher Bradshaw +7
Using the weak gravitational lensing data from the Hyper Suprime-Cam Subaru Strategic Program (HSC survey), we study the potential of different stellar mass estimates in tracing ha…
Surrogate modelling the Baryonic Universe II: on forward modelling the colours of individual and populations of galaxies
Jonas Chaves-Montero, Andrew Hearin
Among the properties shaping the light of a galaxy, the star formation history (SFH) is one of the most challenging to model due to the variety of correlated physical processes reg…
Observational Measures of Halo Properties Beyond Mass
Peter Behroozi, Andrew Hearin, Benjamin P. Moster
Different properties of dark matter haloes, including growth rate, concentration, interaction history, and spin, correlate with environment in unique, scale-dependent ways. While t…