no code implementations • 5 Jan 2021 • Kate E. Furnell, Chris A. Collins, Lee S. Kelvin, Ivan K. Baldry, Phil A. James, Maria Manolopoulou, Robert G. Mann, Paul A. Giles, Alberto Bermeo, Matthew Hilton, Reese Wilkinson, A. Kathy Romer, Carlos Vergara, Sunayana Bhargava, John P. Stott, Julian Mayers, Pedro Viana
We find that the ICL makes up about $\sim$ 24% of the total cluster stellar mass on average ($\sim$ 41% including the flux contained in the BCG within 50 kpc); this value is well-matched with other observational studies and semi-analytic/numerical simulations, but is significantly smaller than results from recent hydrodynamical simulations (even when measured in an observationally consistent way).
Astrophysics of Galaxies
no code implementations • 8 Nov 2019 • Thomas M. Sedgwick, Chris A. Collins, Ivan K. Baldry, Philip A. James
Density structures on scales of $\sim$ 50 Mpc are found to correlate strongest with $H_0$ estimates in both the observational data and in mock data from the MDPL2-Galacticus simulation.
Cosmology and Nongalactic Astrophysics Astrophysics of Galaxies
