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LITTLE THINGS in 3D: robust determination of the circular velocity of dwarf irregular galaxies
Giuliano Iorio, Filippo Fraternali, Carlo Nipoti +3
Dwarf Irregular galaxies (dIrrs) are the smallest stellar systems with extended HI discs. The study of the kinematics of such discs is a powerful tool to estimate the total matter…
Collisionless loss-cone refilling: there is no final parsec problem
Alessia Gualandris, Justin I. Read, Walter Dehnen +1
Coalescing massive black hole binaries, formed during galaxy mergers, are expected to be a primary source of low frequency gravitational waves. Yet in isolated gas-free spherical s…
The impact of stellar feedback on the density and velocity structure of the interstellar medium
Kearn Grisdale, Oscar Agertz, Alessandro B. Romeo +2
We study the impact of stellar feedback in shaping the density and velocity structure of neutral hydrogen (HI) in disc galaxies. For our analysis, we carry out pc resolut…
A semi-analytic dynamical friction model for cored galaxies
James A. Petts, Justin I. Read, Alessia Gualandris
We present a dynamical friction model based on Chandrasekhar's formula that reproduces the fast inspiral and stalling experienced by satellites orbiting galaxies with a large const…
Cosmology and Fundamental Physics with the Euclid Satellite
Luca Amendola, Stephen Appleby, Anastasios Avgoustidis +69
Euclid is a European Space Agency medium class mission selected for launch in 2020 within the Cosmic Vision 2015 2025 program. The main goal of Euclid is to understand the origin o…
An efficient positive potential-density pair expansion for modelling galaxies
Armando Rojas-Niño, Justin I. Read, Luis Aguilar +1
We present a novel positive potential-density pair expansion for modelling galaxies, based on the Miyamoto-Nagai (MN) disc. By using three sets of such discs, each one of them alig…
nIFTy Galaxy Cluster simulations IV: Quantifying the Influence of Baryons on Halo Properties
Weiguang Cui, Chris Power, Alexander Knebe +21
Building on the initial results of the nIFTy simulated galaxy cluster comparison, we compare and contrast the impact of baryonic physics with a single massive galaxy cluster, run w…