Explore the words cloud of the COBOM project. It provides you a very rough idea of what is the project "COBOM" about.
The following table provides information about the project.
Coordinator |
THE UNIVERSITY OF EXETER
Organization address contact info |
Coordinator Country | United Kingdom [UK] |
Total cost | 2˙500˙000 € |
EC max contribution | 2˙500˙000 € (100%) |
Programme |
1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC)) |
Code Call | ERC-2017-ADG |
Funding Scheme | ERC-ADG |
Starting year | 2018 |
Duration (year-month-day) | from 2018-09-01 to 2023-08-31 |
Take a look of project's partnership.
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1 | THE UNIVERSITY OF EXETER | UK (EXETER) | coordinator | 2˙500˙000.00 |
Stellar evolution models are fundamental to nearly all fields of astrophysics, from exoplanet to galactic and extra-galactic research. The heart of the COBOM project is to develop a global physical picture of fundamental mixing processes in stars in order to derive robust and predictive stellar evolution models. The complex dynamics of flows at convective boundaries is a key process in stellar interiors that drives the transport of chemical species and heat, strongly affecting the structure and the evolution of many types of stars. The same physical processes can also drive transport of angular momentum, affecting the rotation evolution and the generation of magnetic field of stars. The treatment of mixing processes at convective boundaries (also referred to as overshooting) is currently one of the major uncertainties in stellar evolution theory. This mixing can dramatically affect the size of a convective core, the lifetime of major burning phases or the surface chemistry over a wide range of stellar masses. The main objectives of this project are to (1) develop a global theoretical framework to describe mixing and heat transport at convective boundaries in stellar interiors, (2) derive new physically-based transport coefficients and parametrizations for one-dimensional stellar evolution models and (3) test the new formalisms against a wide range of observations. We will accomplish these goals by performing the most comprehensive study ever performed of mixing processes in stars using a fundamentally new approach. We will combine the power of multi-dimensional fully compressible time implicit magneto-hydrodynamic simulations and rare event statistics, which are usually applied in finance or climate science. The key strength of the project is to establish a direct link between multi-dimensional results and observations (asteroseismology, eclipsing binaries, color-magnitude diagrams) via the exploitation of 1D stellar evolution models.
year | authors and title | journal | last update |
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2019 |
N. J. Mayne, B. Drummond, F. Debras, E. Jaupart, J. Manners, I. A. Boutle, I. Baraffe, K. Kohary The Limits of the Primitive Equations of Dynamics for Warm, Slowly Rotating Small Neptunes and Super Earths published pages: 56, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aaf6e9 |
The Astrophysical Journal 871/1 | 2020-04-15 |
2020 |
F. Debras, N. Mayne, I. Baraffe, E. Jaupart, P. Mourier, G. Laibe, T. Goffrey, J. Thuburn Acceleration of superrotation in simulated hot Jupiter atmospheres published pages: A2, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201936110 |
Astronomy & Astrophysics 633 | 2020-04-15 |
2019 |
P. Tremblin, T. Padioleau, M. W. Phillips, G. Chabrier, I. Baraffe, S. Fromang, E. Audit, H. Bloch, A. J. Burgasser, B. Drummond, M. González, P. Kestener, S. Kokh, P.-O. Lagage, M. Stauffert Thermo-compositional Diabatic Convection in the Atmospheres of Brown Dwarfs and in Earth’s Atmosphere and Oceans published pages: 144, ISSN: 1538-4357, DOI: 10.3847/1538-4357/ab05db |
The Astrophysical Journal 876/2 | 2020-04-15 |
2019 |
M. V. Popov, R. Walder, D. Folini, T. Goffrey, I. Baraffe, T. Constantino, C. Geroux, J. Pratt, M. Viallet, R. Käppeli A well-balanced scheme for the simulation tool-kit A-MaZe: implementation, tests, and first applications to stellar structure published pages: A129, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201834180 |
Astronomy & Astrophysics 630 | 2020-04-15 |
2020 |
M. W. Phillips, P. Tremblin, I. Baraffe, G. Chabrier, N. F. Allard, F. Spiegelman, J. M. Goyal, B. Drummond, and E. Hébrard A new set of atmosphere and evolution models for cool T–Y brown dwarfs and giant exoplanets published pages: , ISSN: 0004-6000, DOI: |
Astronomy & Astrophysics in press | 2020-04-15 |
2018 |
Isabelle Baraffe, Gilles Chabrier A closer look at the transition between fully convective and partly radiative low-mass stars published pages: A177, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201834062 |
Astronomy & Astrophysics 619 | 2020-04-15 |
2020 |
J. Pratt, I. Baraffe, T. Goffrey, C. Geroux, T. Constantino, D. Folini, R. Walder Comparison of two- and three-dimensional compressible convection in a pre-main sequence star published pages: , ISSN: 0004-6000, DOI: |
Astronomy & Astrophysics in press | 2020-04-15 |
2019 |
Thomas Guillet, Rüdiger Pakmor, Volker Springel, Praveen Chandrashekar, Christian Klingenberg High-order magnetohydrodynamics for astrophysics with an adaptive mesh refinement discontinuous Galerkin scheme published pages: 4209-4246, ISSN: 0035-8711, DOI: 10.1093/mnras/stz314 |
Monthly Notices of the Royal Astronomical Society 485/3 | 2020-04-15 |
2019 |
F. Sainsbury-Martinez, P. Wang, S. Fromang, P. Tremblin, T. Dubos, Y. Meurdesoif, A. Spiga, J. Leconte, I. Baraffe, G. Chabrier, N. Mayne, B. Drummond, F. Debras Idealised simulations of the deep atmosphere of hot Jupiters published pages: A114, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201936445 |
Astronomy & Astrophysics 632 | 2020-04-15 |
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