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Intrinsic Alignments of Galaxies in the Illustris Simulation
Stefan Hilbert, Dandan Xu, Peter Schneider +3
We study intrinsic alignments (IA) of galaxy image shapes within the Illustris cosmic structure formation simulations. We investigate how IA correlations depend on observable galax…
The Network Behind the Cosmic Web
B. C. Coutinho, Sungryong Hong, Kim Albrecht +5
The concept of the cosmic web, viewing the Universe as a set of discrete galaxies held together by gravity, is deeply engrained in cosmology. Yet, little is known about the most ef…
Shock finding on a moving-mesh: II. Hydrodynamic shocks in the Illustris universe
Kevin Schaal, Volker Springel, Rüdiger Pakmor +7
Hydrodynamical shocks are a manifestation of the non-linearity of the Euler equations and play a fundamental role in cosmological gas dynamics. In this work, we identify and analys…
Discriminating Topology in Galaxy Distributions using Network Analysis
Sungryong Hong, Bruno Coutinho, Arjun Dey +4
(abridged) The large-scale distribution of galaxies is generally analyzed using the two-point correlation function. However, this statistic does not capture the topology of the dis…