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Formation and Evolution of Galaxies and Supermassive Black Holes

Work within this area focuses on the understanding of the mechanisms and physical processes responsible for galaxy formation and evolution, as well as the role played by accretion onto supermassive black holes, across the cosmic epochs. This activity combines mulitwavelength observations of local and distant galaxies and quasars, obtained by exploiting many of the major observing facilities worldwide, together with theoretical models and state-of-the-art numerical cosmological simulations.

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Specific focus of the KICC researchers is the investigation of the following issues:

  • the role of gas flows (both inflows and outflows) in regulating star formation in galaxies, and in particular the mechanisms responsible for the quenching star formation of in galaxies;
  • the role of galaxy "environment" (i.e. whether galaxies living in overdense regions evolve differently relative to isolated galaxies or not);
  • the evolution of the chemical elements in galaxies as a tracer of the star formation history;
  • the investigation of the dust content and of dust properties in galaxies;
  • the interplay between accretion onto supermassive black holes and the evolution of their host galaxies;
  • properties of the first proto-galaxies in the primordial Universe.

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These issues are investigated both through extensive cosmological numerical simulations (e.g. Illustris) and through extensive multi-band observing programmes and in particular, by exploiting some of the major observing facilities, such as the ESO-VLT (in particular by exploiting its SINFONI, MUSE, Xshooter and KMOS instruments, also through Large Programmes, such as Klever), ALMA, NOEMA and by also taking part to the multi-IFU Manga survey, and also by exploiting large scale imaging and spectroscopic surveys (DES, VISTA)

Additional major observing programmes are planned with future facilities, in which we're heavily involved and, in particular, JWST, MOONS@VLT, DESI, LSST, 4MOST and HIRES@E-ELT.

People involved in this area are:

KICC Annual Report 2018

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Stormy cluster weather could unleash black hole power and explain lack of cosmic cooling

Oct 17, 2019

“Weather” in clusters of galaxies may explain a longstanding puzzle, according to a team of researchers at the University of Cambridge.

A Reanalysis of Planck

Oct 14, 2019

Members of KICC since its foundation and longstanding members of the Planck collaboration, Prof. George Efstathiou and Dr. Steven Gratton recently uploaded their detailed reanalysis of the Planck satellite Cosmic Microwave Background data to the arXiv preprint server.

A triple merger in the early Universe

Oct 11, 2019

As part of the multinational ALPINE collaboration, scientists at the Kavli Institute have discovered a system of three galaxies merging together when the universe was only 1.3 billion years old.

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