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Increasing blackhole feedback induced quenching with anisotropic thermal conduction
Rahul Kannan, Mark Vogelsberger, Christoph Pfrommer +5
Feedback from central supermassive blackholes is often invoked to explain the low star formation rates in massive galaxies at the centers of galaxy clusters. However, the detailed…
Subhalo Demographics in the Illustris Simulation: Effects of Baryons and Halo-to-Halo Variation
Kun Ting Eddie Chua, Annalisa Pillepich, Vicente Rodriguez-Gomez +3
We study the abundance of subhaloes in the hydrodynamical cosmological simulation Illustris, which includes both baryons and dark matter in a CDM volume 106.5 Mpc a side. We com…
The Role of Star-Formation and AGN in Dust Heating of z=0.3-2.8 Galaxies - II. Informing IR AGN fraction estimates through simulations
Eric Roebuck, Anna Sajina, Christopher C. Hayward +4
A key question in extragalactic studies is the determination of the relative roles of stars and AGN in powering dusty galaxies at 1-3 where the bulk of star-formation and AG…
The inner structure of early-type galaxies in the Illustris simulation
Dandan Xu, Volker Springel, Dominique Sluse +5
Early-type galaxies provide unique tests for the predictions of the cold dark matter cosmology and the baryonic physics assumptions entering models for galaxy formation. In this wo…
Massive Close Pairs Measure Rapid Galaxy Assembly in Mergers at High Redshift
Gregory F. Snyder, Jennifer M. Lotz, Vicente Rodriguez-Gomez +3
We compare mass-selected close pairs at z > 1 with the intrinsic galaxy merger rate in the Illustris Simulations. To do so, we construct three 140 arcmin^2 lightcone catalogs and m…
The role of mergers and halo spin in shaping galaxy morphology
Vicente Rodriguez-Gomez, Laura V. Sales, Shy Genel +10
Mergers and the spin of the dark matter halo are factors traditionally believed to determine the morphology of galaxies within a CDM cosmology. We study this hypothesis by consi…
Simulating galaxy formation with black hole driven thermal and kinetic feedback
Rainer Weinberger, Volker Springel, Lars Hernquist +8
The inefficiency of star formation in massive elliptical galaxies is widely believed to be caused by the interactions of an active galactic nucleus (AGN) with the surrounding gas.…
The formation and evolution of star clusters in interacting galaxies
Moupiya Maji, Qirong Zhu, Yuexing Li +3
Observations of globular clusters show that they have universal lognormal mass functions with a characteristic peak at , but the origin of t…
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…
A moving mesh unstaggered constrained transport scheme for magnetohydrodynamics
Philip Mocz, Ruediger Pakmor, Volker Springel +3
We present a constrained transport (CT) algorithm for solving the 3D ideal magnetohydrodynamic (MHD) equations on a moving mesh, which maintains the divergence-free condition on th…
Massive Black Hole Binary Mergers in Dynamical Galactic Environments
Luke Zoltan Kelley, Laura Blecha, Lars Hernquist
Gravitational Waves (GW) have now been detected from stellar-mass black hole binaries, and the first observations of GW from Massive Black Hole (MBH) Binaries are expected within t…
ALMA Resolves the Nuclear Disks of Arp 220
Nick Scoville, Lena Murchikova, Fabian Walter +20
We present 90 mas (37 pc) resolution ALMA imaging of Arp 220 in the CO (1-0) line and continuum at mm. The internal gas distribution and kinematics of both galactic nuclei…
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…