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KN-TRANSFER

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Understanding kilonova diversity using radiative transfer simulations with reali...

Understanding kilonova diversity using radiative transfer simulations with realistic binary neutron star merger ejecta The merging of binary neutron stars produces an explosive kilonova transient, recently confirmed by the first ever detection of a kilonova, AT2017gfo, coincident with a gravitational wave signal, GW170817. The wealth of observatio... ver más

31/08/2026

TRINITY COLLEGE DU...

200K€

Presupuesto del proyecto: 200K€

Líder del proyecto

THE PROVOST FELLOWS FOUNDATION SCHOLARS THE... No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2024-04-18

HORIZON-MSCA-2023-PF-01-01: MSCA Postdoctoral Fellowships 2023 ExpectedOutcome:Project results are expected to contribute to the following outcomes:

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TRINITY COLLEGE DUBLIN

199.69K€ | Lider

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Duración del proyecto: 28 meses Fecha Inicio: 2024-04-18
Fecha Fin: 2026-08-31

Líder del proyecto

THE PROVOST FELLOWS FOUNDATION SCHOLARS THE... No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 200K€

Descripción del proyecto The merging of binary neutron stars produces an explosive kilonova transient, recently confirmed by the first ever detection of a kilonova, AT2017gfo, coincident with a gravitational wave signal, GW170817. The wealth of observations provided by AT2017gfo offers the opportunity to probe the fundamental physics of binary neutron star mergers, including the incompletely known Equation of State of dense nuclear matter and rapid neutron capture nucleosynthesis (the r-process), which produces half of all elements heavier than iron in the Universe. With the detection of AT2017gfo and the new gravitational wave observing run of LIGO, VIRGO and KAGRA (O4) the demand for kilonova simulations has never been so great. The aim of this research is to produce sophisticated, three-dimensional kilonova radiative transfer simulations from binary neutron star merger ejecta with detailed r-process calculations, allowing simulations to be directly compared to observations. I am uniquely placed to combine these complex simulations to self-consistently model kilonovae, enabling powerful constraints to be placed on the underlying physics through interpreting kilonova observations. I will carry out the first three-dimensional kilonova parameter space study based on realistic hydrodynamical neutron star merger simulations with a range of neutron star masses and Equations of State. The simulations will predict spectra using a state of the art line-by-line opacity treatment for millions of line transitions of r-process elements, which allows spectral features to be directly associated with the ions responsible for forming the features. This multi-disciplinary approach will constrain and improve hydrodynamical neutron star merger modelling, kilonova radiative transfer simulations, the high density Equation of State and r-process nucleosynthesis, which are critical to move our knowledge of kilonovae and their role in producing heavy elements in the Universe beyond the state of the art.

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