Project description
Unlocking the secrets of Galactic growth
Galaxies grow by exchanging gas between their disks and the massive halos around them. However, the physics behind this process is still unclear, mainly because the gas in these areas exists in different states. Current simulations struggle to capture the full complexity of this gas, especially the cold gas found in galactic halos. This limits our ability to fully understand or predict how galaxies evolve. The ERC-funded ReMMU project aims to solve this by using a new approach to track gas in different states through advanced simulations. The project will run the first cosmological simulation with accurate gas properties and compare it to real data, helping us better understand how galaxies grow and evolve.
Objective
Galaxies grow through the reciprocal cycling of gas between disks and their massive surrounding halos. Despite major strides in observations and simulations, the physics regulating this galactic ecosystem remains unclear, primarily due to the multiphase, multiscale nature of circumgalactic gas.
All current cosmological simulations fail to capture the multiphase structure of galactic halos and exhibit a lack of convergence in even the first order gas properties such as the amount of cold gas found. This strongly limits their applicability in the circumgalactic medium to interpret existing observations as well as their predictive power.
ReMMU will breach this barrier by implementing an innovative multi-fluid subgrid model to track unresolved gas phases both in hydrodynamical and radiative transfer simulations.
The objectives of ReMMU are to (1) run the first cosmological simulation with converged gas properties and (2) perform a robust comparison with absorption as well as emission line data of galactic ecosystems.
This work will shed light on the drivers of galactic growth and feedback mechanisms, the key challenge to understand the formation and evolution of galaxies.
Only recent advances in fundamental hydrodynamical theory have constrained the parameter space sufficiently and, thus, opened the pathway for subgrid models of unresolved gas. Simultaneously, a rapidly growing body of observational surveys started to revolutionize the available data on galactic ecosystems.
Hence, ReMMU is particularly timely combining these advances: it will exploit the theoretical progress in a full cosmological context and establish firm predictions for comparison with observations across cosmic time, ultimately breaking the current impasse.
The PI has made significant contributions in the theory of small scale hydrodynamical as well as radiative transfer problems and is, therefore, uniquely suited to establish a world-leading team to carry out ReMMU.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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HORIZON.1.1 - European Research Council (ERC)
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Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
HORIZON-ERC - HORIZON ERC Grants
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Call for proposal
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) ERC-2024-STG
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69117 Heidelberg
Germany
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