Published Article: Identifying supermassive black hole recoil in elliptical galaxies
Our article explores the effect an SMBH ejected from the centre of the galaxy through a gravitational wave-induced kick after coalescence has on the surround...
Published Article: MAGICS II. Seed black holes stripped of their surrounding stars do not sink
In this article, we study the sinking of seed black holes using simulations that resolve the black hole dynamics in three stages, with KETJU employed at the ...
Published Article: The importance of nuclear star clusters for massive black hole growth and nuclear star formation in simulated low-mass galaxies
In this article, we study the impact of nuclear star clusters on central star formation and massive black hole growth in dwarf galaxies. The simulations are ...
Published Article: The supermassive black hole merger-driven evolution of high-redshift red nuggets into present-day cored early-type galaxies
In this article, we use N-body simulations run with the KETJU code to study the evolution of high-redshift compact galaxies into present-day early-type galax...
Published Article: The masses, structure, and lifetimes of cold clouds in a high-resolution simulation of a low-metallicity starburst
In this article, we study the formation and evolution of cold gas clouds in a high-resolution dwarf merger simulation. The clouds have masses and sizes that ...
New group members join the SIBELIUS/APRIORI project
The research group welcomes one postdoc, Dr. Gábor Rácz and one PhD student, M.Sc. Jenni Häkkinen, who have both joined the group to work on SIBELIUS/APRIORI...
Published Article: The difficult path to coalescence: massive black hole dynamics in merging low-mass dark matter haloes and galaxies
In this article we systematically study the dynamical sinking of massive black holes in low mass galaxies using the KETJU code. Our idealized high-resolution...
New group members join the KETJU project
The research group welcomes two postdocs, Dr. Bastián Reinoso, Dr. Toni Tuominen and one PhD student, M.Sc. Max Mattero, who all have joined the group to wor...
New group members: The summer students and visiting students for 2024 have joined the group
The research group welcomes Rilla Laitila, Roosa Heiskanen, Meri Teeriaho, who have joined the group for three months over the summer period. Rilla, Roosa a...
Published Article: RABBITS - II. The impact of AGN feedback on coalescing supermassive black holes in disc and elliptical galaxy mergers
In this article we systematically study the impact of AGN feedback on the evolution of a coalescing supermassive black holes in both disk-disk and elliptical...
Published Article: RABBITS - I. The crucial role of nuclear star formation in driving the coalescence of supermassive black hole binaries
In this article we systematically study the impact of galaxy formation processes (i.e. gas cooling, star formation, supermassive black hole (SMBH) accretion,...
Published Article: Chemical evolution of local post-starburst galaxies: implications for the mass-metallicity relation
In this article led by researchers at the University of St. Andrews we study the chemical enrichment and quenching of star formation in a sample of observed...
Published Article: Distinct distributions of elliptical and disk galaxies across the Local Supercluster as a ΛCDM prediction
In this article published in Nature Astronomy, we use the SIBELIUS DARK constrained simulation to study the distribution of the brightest ellipticals and th...
Open position: Research associate in Computational Astrophysics
Applications are now open for a position as Postdoctoral Researcher - apply by December 15!
Published Article: Reviving stochasticity: uncertainty in SMBH binary eccentricity is unavoidable
Our article explores the relationship between the deflection angle (or equivalently, the impact parameter) between two supermassive black holes in an isolate...
Open position: Postdoctoral Researcher in Computational Astrophysics
Applications are now open for a position as Postdoctoral Researcher - apply by October 6!
Published Article: The timeless timing argument and the total mass of the local group
Our article takes a fresh look at the Timing Argument, a classical method to infer the mass of the Local Group from the measured kinematics. Using a large co...
Published Article: KETJU – resolving small-scale supermassive black hole dynamics in GADGET-4
The code paper describing our publicly released version of KETJU has now been published in MNRAS.
Group member Till Sawala receives project funding from the Academy of Finland
The research group congratulates group member Till Sawala who received funding from the Academy of Finland for the research project titled: “APRIORI - Astro...
New group members: The summer students for 2023 have joined the group
The research group welcomes Rilla Laitila, Max Mattero and Sonja Soininen, who have joined the group for three months over the summer period. Rilla, Max and...
Published Article: The Local Group’s mass: probably no more than the sum of its parts
Our article describing how the mass of the Local Group and the mass of its two most massive members (the Milky Way and M31) can be constrained using the extr...
Published Article: Astrophysics with the Laser Interferometer Space Antenna
An article describing the astrophysical studies to be conducted with the LISA Interferometer Space Antenna to be launched in the 2030s. This is a multi-autho...
Published Article: The growth of intermediate mass black holes through tidal captures and tidal disruption events
Our article describing the growth of black holes in stellar clusters through tidal captures and tidal disruption events has now been published in MNRAS. Th...
Published Article: Modelling the accretion and feedback of supermassive black hole binaries in gas-rich galaxy mergers
Our article describing a new accretion and feedback model for SMBH binaries in KETJU simulations has now been published in MNRAS.
Published Article: The Milky Way’s plane of satellites is consistent with ΛCDM
In this article published in Nature Astronomy, we show how the configuration of Milky Way’s satellite galaxies is actually consistent with the standard ΛCDM...