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Radioactivities from Stars to Solar Systems

Total Cost €


EC-Contrib. €






Project "RADIOSTAR" data sheet

The following table provides information about the project.


Organization address
city: Sopron
postcode: 9400

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Hungary [HU]
 Total cost 1˙726˙300 €
 EC max contribution 1˙726˙300 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2016-COG
 Funding Scheme ERC-COG
 Starting year 2017
 Duration (year-month-day) from 2017-09-01   to  2022-08-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

RADIOSTAR will exploit radioactive nuclei produced by nuclear reactions inside stars and ejected by stellar winds and supernova explosions to fill the missing pieces of the puzzle of the origin of our Solar System: What were the circumstances of the birth of our Sun? Were they similar to those of the majority of other stars in our Galaxy, or were they special? Radioactive nuclei are the key to answer these questions because meteoritic analysis has proven that many of them were present at the time of the birth of the Sun. Their origin, however, has been so far elusive. RADIOSTAR steps beyond the state-of-the-art to answer these open questions by (i) combining the evolution of radioactive nuclei in the Galaxy and within molecular clouds and (ii) considering all the seventeen radionuclides of interest and all their stellar sources and analysing the effects of uncertainties in their stellar production. This will allow us to: - Use the decay of radioactive nuclei produced by the chemical evolution of the Galaxy as a clock to measure the lifetime of the Sun’s parent molecular cloud prior to the Sun’s birth; - Calculate the self-pollution of this molecular cloud from the ejecta of stars with lives shorter than such lifetime; - Discover if such self-pollution can fully explain the abundances of radioactive nuclei present at the time of the birth of the Sun, or whether special conditions are required. RADIOSTAR will also have a far-reaching impact on our understanding of exoplanetary systems because the heat produced by radioactivity affects the evolution of planetesimals, with implications for the amount of water on terrestrial planets in the habitable zone. RADIOSTAR will open a new window into research on the effect of radioactivity on the evolution of planetesimals outside our Solar System.


List of deliverables.
Data Management Plan Open Research Data Pilot 2020-03-17 14:15:53

Take a look to the deliverables list in detail:  detailed list of RADIOSTAR deliverables.


year authors and title journal last update
List of publications.
2020 J. W. den Hartogh, P. Eggenberger, S. Deheuvels
Asteroseismology of evolved stars to constrain the internal transport of angular momentum
published pages: L16, ISSN: 0004-6361, DOI: 10.1051/0004-6361/202037568
Astronomy & Astrophysics 634 2020-04-15
2019 P. Eggenberger, J. W. den Hartogh, G. Buldgen, G. Meynet, S. J. A. J. Salmon, S. Deheuvels
Asteroseismology of evolved stars to constrain the internal transport of angular momentum
published pages: L6, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201936348
Astronomy & Astrophysics 631 2020-04-15
2019 H. E. Brinkman, C. L. Doherty, O. R. Pols, E. T. Li, B. Côté, M. Lugaro
Aluminium-26 from Massive Binary Stars. I. Nonrotating Models
published pages: 38, ISSN: 1538-4357, DOI: 10.3847/1538-4357/ab40ae
The Astrophysical Journal 884/1 2020-03-17
2019 Benoit Côté, Maria Lugaro, Rene Reifarth, Marco Pignatari, Blanka Világos, Andrés Yagüe, Brad K. Gibson
Galactic Chemical Evolution of Radioactive Isotopes
published pages: 156, ISSN: 1538-4357, DOI: 10.3847/1538-4357/ab21d1
The Astrophysical Journal 878/2 2020-03-17
2019 Benoit Côté, Andrés Yagüe, Blanka Világos, Maria Lugaro
Stochastic Chemical Evolution of Radioactive Isotopes with a Monte Carlo Approach
published pages: 213, ISSN: 1538-4357, DOI: 10.3847/1538-4357/ab5a88
The Astrophysical Journal 887/2 2020-03-17
2019 J Keegans, C L Fryer, S W Jones, B Côté, K Belczynski, F Herwig, M Pignatari, A M Laird, C Aa Diget
Nucleosynthetic yields from neutron stars accreting in binary common envelopes
published pages: 620-639, ISSN: 0035-8711, DOI: 10.1093/mnras/stz368
Monthly Notices of the Royal Astronomical Society 485/1 2020-03-17
2019 Richard Sarmento, Evan Scannapieco, Benoit Côté
Following the Cosmic Evolution of Pristine Gas. III. The Observational Consequences of the Unknown Properties of Population III Stars
published pages: 206, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aafa1a
The Astrophysical Journal 871/2 2020-03-17
2019 J. W. den Hartogh, R. Hirschi, M. Lugaro, C. L. Doherty, U. Battino, F. Herwig, M. Pignatari, P. Eggenberger
The s process in rotating low-mass AGB stars
published pages: A123, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201935476
Astronomy & Astrophysics 629 2020-03-17
2019 Samuel Jones, Benoit Côté, Friedrich K. Röpke, Shinya Wanajo
A New Model for Electron-capture Supernovae in Galactic Chemical Evolution
published pages: 170, ISSN: 1538-4357, DOI: 10.3847/1538-4357/ab384e
The Astrophysical Journal 882/2 2020-03-17
2019 U Battino, A Tattersall, C Lederer-Woods, F Herwig, P Denissenkov, R Hirschi, R Trappitsch, J W den Hartogh, M Pignatari
NuGrid stellar data set – III. Updated low-mass AGB models and s-process nucleosynthesis with metallicities Z= 0.01, Z = 0.02, and Z = 0.03
published pages: 1082-1098, ISSN: 0035-8711, DOI: 10.1093/mnras/stz2158
Monthly Notices of the Royal Astronomical Society 489/1 2020-03-17
2019 B Wehmeyer, C Fröhlich, B Côté, M Pignatari, F-K Thielemann
Using failed supernovae to constrain the Galactic r-process element production
published pages: 1745-1753, ISSN: 0035-8711, DOI: 10.1093/mnras/stz1310
Monthly Notices of the Royal Astronomical Society 487/2 2020-03-17
2019 Benoit Côté, Marius Eichler, Almudena Arcones, Camilla J. Hansen, Paolo Simonetti, Anna Frebel, Chris L. Fryer, Marco Pignatari, Moritz Reichert, Krzysztof Belczynski, Francesca Matteucci
Neutron Star Mergers Might Not Be the Only Source of r -process Elements in the Milky Way
published pages: 106, ISSN: 1538-4357, DOI: 10.3847/1538-4357/ab10db
The Astrophysical Journal 875/2 2020-03-17
2019 T Mishenina, M Pignatari, T Gorbaneva, C Travaglio, B Côté, F-K Thielemann, C Soubiran
Enrichment of the Galactic disc with neutron-capture elements: Mo and Ru
published pages: 1697-1708, ISSN: 0035-8711, DOI: 10.1093/mnras/stz2202
Monthly Notices of the Royal Astronomical Society 489/2 2020-03-17
2019 S. Jones, F. K. Röpke, C. Fryer, A. J. Ruiter, I. R. Seitenzahl, L. R. Nittler, S. T. Ohlmann, R. Reifarth, M. Pignatari, K. Belczynski
Remnants and ejecta of thermonuclear electron-capture supernovae
published pages: A74, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201834381
Astronomy & Astrophysics 622 2020-03-17
2018 Benoit Côté, Devin W. Silvia, Brian W. O’Shea, Britton Smith, John H. Wise
Validating Semi-analytic Models of High-redshift Galaxy Formation Using Radiation Hydrodynamical Simulations
published pages: 67, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aabe8f
The Astrophysical Journal 859/1 2020-03-17
2018 Benoit Côté, Chris L. Fryer, Krzysztof Belczynski, Oleg Korobkin, Martyna Chruślińska, Nicole Vassh, Matthew R. Mumpower, Jonas Lippuner, Trevor M. Sprouse, Rebecca Surman, Ryan Wollaeger
The Origin of r -process Elements in the Milky Way
published pages: 99, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aaad67
The Astrophysical Journal 855/2 2020-03-17
2018 Andrew Emerick, Greg L. Bryan, Mordecai-Mark Mac Low, Benoit Côté, Kathryn V. Johnston, Brian W. O’Shea
Metal Mixing and Ejection in Dwarf Galaxies Are Dependent on Nucleosynthetic Source
published pages: 94, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aaec7d
The Astrophysical Journal 869/2 2020-03-17
2018 M. Lugaro, U. Ott, Á. Kereszturi
Radioactive nuclei from cosmochronology to habitability
published pages: 1-47, ISSN: 0146-6410, DOI: 10.1016/j.ppnp.2018.05.002
Progress in Particle and Nuclear Physics 102 2020-03-17
2018 Christian Ritter, Benoit Côté, Falk Herwig, Julio F. Navarro, Chris L. Fryer
SYGMA: Stellar Yields for Galactic Modeling Applications
published pages: 42, ISSN: 1538-4365, DOI: 10.3847/1538-4365/aad691
The Astrophysical Journal Supplement Series 237/2 2020-03-17
2018 Benoit Côté, Pavel Denissenkov, Falk Herwig, Ashley J. Ruiter, Christian Ritter, Marco Pignatari, Krzysztof Belczynski
i -process Contribution of Rapidly Accreting White Dwarfs to the Solar Composition of First-peak Neutron-capture Elements
published pages: 105, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aaaae8
The Astrophysical Journal 854/2 2020-03-17
2018 S. Portegies Zwart, I. Pelupessy, A. van Elteren, T. P. G. Wijnen, M. Lugaro
The consequences of a nearby supernova on the early solar system
published pages: A85, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201732060
Astronomy & Astrophysics 616 2020-03-17
2019 J. W. den Hartogh, P. Eggenberger, R. Hirschi
Constraining transport of angular momentum in stars
published pages: A187, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201834330
Astronomy & Astrophysics 622 2020-03-17

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