BAHAMAS SIGNED
A holistic approach to large-scale structure cosmology
Total Cost €
0EC-Contrib. €
0Partnership
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0BAHAMAS project word cloud
Explore the words cloud of the BAHAMAS project. It provides you a very rough idea of what is the project "BAHAMAS" about.
Project "BAHAMAS" data sheet
The following table provides information about the project.
| Coordinator |
LIVERPOOL JOHN MOORES UNIVERSITY
Organization address contact info |
| Coordinator Country | United Kingdom [UK] |
| Total cost | 1˙725˙982 € |
| EC max contribution | 1˙725˙982 € (100%) |
| Programme |
1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC)) |
| Code Call | ERC-2017-COG |
| Funding Scheme | ERC-COG |
| Starting year | 2018 |
| Duration (year-month-day) | from 2018-06-01 to 2023-05-31 |
Partnership
Take a look of project's partnership.
| # | ||||
|---|---|---|---|---|
| 1 | LIVERPOOL JOHN MOORES UNIVERSITY | UK (LIVERPOOL) | coordinator | 1˙725˙982.00 |
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Project objective
The standard model of cosmology, the É…CDM model, is remarkably successful at explaining a wide range of observations of our Universe. However, it is now being subjected to much more stringent tests than ever before, and recent large-scale structure (LSS) measurements appear to be in tension with its predictions. Is this tension signalling that new physics is required? For example, time-varying dark energy, or perhaps a modified theory of gravity? A contribution from massive neutrinos? Before coming to such bold conclusions we must be certain that all of the important systematic errors in the LSS tests have been accounted for. Presently, the largest source of systematic uncertainty is from the modelling of complicated astrophysical phenomena associated with galaxy formation. In particular, energetic feedback processes associated with star formation and black hole growth can heat and expel gas from collapsed structures and modify the large-scale distribution of matter. Furthermore, the LSS field is presently separated into many sub-fields (each using different models, that usually neglect feedback), preventing a coherent analysis. Cosmological hydrodynamical simulations (are the only method which) can follow all the relevant matter components and self-consistently capture the effects of feedback. I have been leading the development of large-scale simulations with physically-motivated prescriptions for feedback that are unrivalled in their ability to reproduce the observed properties of massive systems. With ERC support, I will build a team to exploit these developments, to produce a suite of simulations designed specifically for LSS cosmology applications with the effects of feedback realistically accounted for and which will allow us to unite the different LSS tests. My team and I will make the first self-consistent comparisons with the full range of LSS cosmology tests, and critically assess the evidence for physics beyond the standard model.
Publications
| year | authors and title | journal | last update |
|---|---|---|---|
| 2019 |
Tilman Tröster, Cameron Ferguson, Joachim Harnois-Déraps, Ian G McCarthy Painting with baryons: augmenting N-body simulations with gas using deep generative models published pages: L24-L29, ISSN: 1745-3933, DOI: 10.1093/mnrasl/slz075 |
Monthly Notices of the Royal Astronomical Society: Letters 487/1 | 2020-02-13 |
| 2020 |
Sam G Stafford, Ian G McCarthy, Robert A Crain, Jaime Salcido, Joop Schaye, Andreea S Font, Juliana Kwan, Simon Pfeifer The BAHAMAS project: Effects of a running scalar spectral index on large-scale structure published pages: , ISSN: 0035-8711, DOI: 10.1093/mnras/staa129 |
Monthly Notices of the Royal Astronomical Society | 2020-02-13 |
| 2019 |
David Harvey, Andrew Robertson, Richard Massey, Ian G McCarthy Observable tests of self-interacting dark matter in galaxy clusters: BCG wobbles in a constant density core published pages: 1572-1579, ISSN: 0035-8711, DOI: 10.1093/mnras/stz1816 |
Monthly Notices of the Royal Astronomical Society 488/2 | 2020-02-13 |
| 2020 |
Jaime Salcido, Richard G Bower, Tom Theuns How feedback shapes galaxies: an analytic model published pages: 5083-5100, ISSN: 0035-8711, DOI: 10.1093/mnras/stz3156 |
Monthly Notices of the Royal Astronomical Society 491/4 | 2020-02-13 |
| 2020 |
Hideki Tanimura, Gary Hinshaw, Ian G McCarthy, Ludovic Van Waerbeke, Nabila Aghanim, Yin-Zhe Ma, Alexander Mead, Tilman Tröster, Alireza Hojjati, Bruno Moraes Probing hot gas around luminous red galaxies through the Sunyaev-Zel’dovich effect published pages: , ISSN: 0035-8711, DOI: 10.1093/mnras/stz3130 |
Monthly Notices of the Royal Astronomical Society | 2020-02-12 |
| 2020 |
Marcel P van Daalen, Ian G McCarthy, Joop Schaye Exploring the effects of galaxy formation on matter clustering through a library of simulation power spectra published pages: 2424-2446, ISSN: 0035-8711, DOI: 10.1093/mnras/stz3199 |
Monthly Notices of the Royal Astronomical Society 491/2 | 2020-02-12 |
| 2019 |
Jonathan J Davies, Robert A Crain, Ian G McCarthy, Benjamin D Oppenheimer, Joop Schaye, Matthieu Schaller, Stuart McAlpine The gas fractions of dark matter haloes hosting simulated ∼ L ⋆ galaxies are governed by the feedback history of their black holes published pages: , ISSN: 0035-8711, DOI: 10.1093/mnras/stz635 |
Monthly Notices of the Royal Astronomical Society | 2020-02-12 |
| 2019 |
Nora Elisa Chisari, Alexander J. Mead, Shahab Joudaki, Pedro G. Ferreira, Aurel Schneider, Joseph Mohr, Tilman Tröster, David Alonso, Ian G. McCarthy, Sergio Martin-Alvarez, Julien Devriendt, Adrianne Slyz, Marcel P. van Daalen Modelling baryonic feedback for survey cosmology published pages: , ISSN: 2565-6120, DOI: 10.21105/astro.1905.06082 |
The Open Journal of Astrophysics 2/1 | 2020-02-12 |
| 2019 |
Andrew Robertson, David Harvey, Richard Massey, Vincent Eke, Ian G McCarthy, Mathilde Jauzac, Baojiu Li, Joop Schaye Observable tests of self-interacting dark matter in galaxy clusters: cosmological simulations with SIDM and baryons published pages: 3646-3662, ISSN: 0035-8711, DOI: 10.1093/mnras/stz1815 |
Monthly Notices of the Royal Astronomical Society 488/3 | 2020-02-12 |
| 2019 |
Adrien C R Thob, Robert A Crain, Ian G McCarthy, Matthieu Schaller, Claudia D P Lagos, Joop Schaye, Geert Jan J Talens, Philip A James, Tom Theuns, Richard G Bower The relationship between the morphology and kinematics of galaxies and its dependence on dark matter halo structure in EAGLE published pages: 972-987, ISSN: 0035-8711, DOI: 10.1093/mnras/stz448 |
Monthly Notices of the Royal Astronomical Society 485/1 | 2020-02-12 |
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