Understanding kilonova diversity using radiative transfer simulations with realistic binary neutron star merger ejecta

Project Information

KN-TRANSFER

Grant agreement ID: 101152610

DOI

10.3030/101152610

Project closed

EC signature date 18 April 2024

Start date 1 September 2024

End date 31 August 2026

Funded under

• Marie Skłodowska-Curie Actions (MSCA)

Total cost

No data

EU contribution

€ 199 694,40

Coordinated by

THE PROVOST, FELLOWS, FOUNDATION SCHOLARS & THE OTHER MEMBERS OF BOARD, OF THE COLLEGE OF THE HOLY & UNDIVIDED TRINITY OF QUEEN ELIZABETH NEAR DUBLIN
Ireland

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Deliverables

Data Management Plan (1)

Data Management Plan

The Data Management Plan describes the data management life cycle for all data sets that will be collected, processed or generated by the action. It is a document describing what data will be collected, processed or generated and following what methodology and standards, whether and how this data will be shared and/or made open, and how it will be curated and preserved.

Publications

Peer reviewed articles (15)

The asymmetry of white dwarf double detonations and the observed scatter around the Phillips relation

Author(s): Alexander Holas, Friedrich K. Röpke, Rüdiger Pakmor, Fionntan P. Callan, Josh Pollin, Stuart A. Sim, Christine E. Collins, Luke J. Shingles, Javier Moran-Fraile
Published in: Astronomy & Astrophysics, Issue 698, 2025, ISSN 0004-6361
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202554640

Calcium in a supernova remnant as a fingerprint of a sub-Chandrasekhar-mass explosion

Author(s): Priyam Das, Ivo R. Seitenzahl, Ashley J. Ruiter, Friedrich K. Röpke, Rüdiger Pakmor, Frédéric P. A. Vogt, Christine E. Collins, Parviz Ghavamian, Stuart A. Sim, Brian J. Williams, Stefan Taubenberger, J. Martin Laming, Janette Suherli, Ralph Sutherland, Nicolás Rodríguez-Segovia
Published in: Nature Astronomy, Issue 9, 2025, ISSN 2397-3366
Publisher: Springer Science and Business Media LLC
DOI: 10.1038/S41550-025-02589-5

Updated 3D NLTE Nebular Diagnostics Favor D ⁶ Models that Leave Behind a Surviving Companion for Normal Type Ia Supernovae

Author(s): J. M. Pollin, F. P. Callan, C. E. Collins, A. Holas, L. J. Shingles, R. Pakmor, F. K. Röpke, S. A. Sim
Published in: Research Notes of the AAS, Issue 10, 2026, ISSN 2515-5172
Publisher: American Astronomical Society
DOI: 10.3847/2515-5172/AE8395

Observational signatures of thermonuclear electron-capture supernovae

Author(s): Alexander Holas, Fionntan P. Callan, Samuel W. Jones, Friedrich K. Röpke, Rüdiger Pakmor, Alexandra Kozyreva, Christine E. Collins, Luke J. Shingles, Stuart A. Sim, Joshua M. Pollin
Published in: Astronomy & Astrophysics, Issue 711, 2026, ISSN 0004-6361
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202660029

Light travel time effects in kilonova models

Author(s): F McNeill, S A Sim, C E Collins, L J Shingles, R Damgaard, A Sneppen, J H Gillanders
Published in: Monthly Notices of the Royal Astronomical Society, Issue 546, 2026, ISSN 0035-8711
Publisher: Oxford University Press (OUP)
DOI: 10.1093/MNRAS/STAG068

Kilonova simulations: connecting observations with the underlying physics

Author(s): Christine Collins, Luke Shingles, Vimal Vijayan
Published in: Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Issue 383, 2026, ISSN 1364-503X
Publisher: The Royal Society
DOI: 10.1098/RSTA.2024.0119

Multidimensional nebular-phase calculations of dynamically driven double-degenerate double-detonation models for Type Ia supernovae

Author(s): J M Pollin, S A Sim, L J Shingles, R Pakmor, F P Callan, C E Collins, F  K Röpke, L A Kwok, A Holas, S Srivastav
Published in: Monthly Notices of the Royal Astronomical Society, Issue 548, 2026, ISSN 0035-8711
Publisher: Oxford University Press (OUP)
DOI: 10.1093/MNRAS/STAG735

Helium as an indicator of the neutron-star merger remnant lifetime and its potential for equation of state constraints

Author(s): Albert Sneppen, Oliver Just, Andreas Bauswein, Rasmus Damgaard, Darach Watson, Luke J. Shingles, Christine E. Collins, Stuart A. Sim, Zewei Xiong, Gabriel Martínez-Pinedo, Theodoros Soultanis, Vimal Vijayan
Published in: Physical Review D, Issue 113, 2026, ISSN 2470-0010
Publisher: American Physical Society (APS)
DOI: 10.1103/5J43-L6XR

Exploring the diversity of kilonovae with 3D radiative transfer

Author(s): C. E. Collins, L. J. Shingles, V. Vijayan, A. Flörs, O. Just, F. McNeill, Z. Xiong, A. Bauswein, K. Maguire, S. A. Sim
Published in: Astronomy & Astrophysics, Issue 712, 2026, ISSN 0004-6361
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202660607

Multi-messenger gravitational lensing

Author(s): Graham P. Smith, Tessa Baker, Simon Birrer, Christine E. Collins, Jose Maria Ezquiaga, Srashti Goyal, Otto A. Hannuksela, Phurailatpam Hemanta, Martin A. Hendry, Justin Janquart, David Keitel, Andrew J. Levan, Rico K. L. Lo, Anupreeta More, Matt Nicholl, Inés Pastor-Marazuela, Andrés I. Ponte Pérez, Helena Ubach, Laura E. Uronen, Mick Wright, Miguel Zumalacarregui, Federica Bianco, Mesut Çalişkan, Juno C. L. Chan, Elena Colangeli, Benjamin P. Gompertz, Christopher P. Haines, Erin E. Hayes, Bin Hu, Gavin P. Lamb, Anna Liu, Soheb Mandhai, Harsh Narola, Quynh Lan Nguyen, Jason S. C. Poon, Dan Ryczanowski, Eungwang Seo, Anowar J. Shajib, Xikai Shan, Nial Tanvir, Luka Vujeva
Published in: Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Issue 383, 2026, ISSN 1364-503X
Publisher: The Royal Society
DOI: 10.1098/RSTA.2024.0134

Violent mergers revisited: The origin of the fastest stars in the Galaxy

Author(s): Rüdiger Pakmor, Ken J. Shen, Aakash Bhat, Abinaya Swaruba Rajamuthukumar, Christine E. Collins, Cillian O’Donnell, Evan B. Bauer, Fionntan P. Callan, Friedrich K. Röpke, Joshua M. Pollin, Kate Maguire, Lindsey A. Kwok, Ravi Seth, Stefan Taubenberger, Stephen Justham
Published in: Astronomy & Astrophysics, Issue 706, 2026, ISSN 0004-6361
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202557670

Helium features are inconsistent with the spectral evolution of the kilonova AT2017gfo

Author(s): Albert Sneppen, Rasmus Damgaard, Darach Watson, Christine E. Collins, Luke Shingles, Stuart A. Sim
Published in: Astronomy & Astrophysics, Issue 692, 2024, ISSN 0004-6361
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202451450

Late-time emission-line profiles from kilonova models

Author(s): S A Sim, O Just, Z Xiong, A Bauswein, L P Mulholland, G Leck, G Martínez-Pinedo, L J Shingles, C E Collins, F McNeill, M McCann, C P Ballance, C A Ramsbottom
Published in: Monthly Notices of the Royal Astronomical Society, Issue 551, 2026, ISSN 0035-8711
Publisher: Oxford University Press (OUP)
DOI: 10.1093/MNRAS/STAG1384

NLTE spectral modelling for a carbon-oxygen and helium white dwarf merger as a Ca-rich transient candidate

Author(s): F. P. Callan, A. Holas, J. Morán-Fraile, S. A. Sim, C. E. Collins, L. J. Shingles, J. M. Pollin, F. K. Röpke, R. Pakmor, F. R. N. Schneider
Published in: Astronomy & Astrophysics, Issue 702, 2025, ISSN 0004-6361
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202554548

Non-LTE radiative transfer simulations: improved agreement of the double detonation with normal Type Ia supernovae

Author(s): Christine E Collins, Luke J Shingles, Stuart A Sim, Fionntan P Callan, Sabrina Gronow, Wolfgang Hillebrandt, Markus Kromer, Rüdiger Pakmor, Friedrich K Röpke
Published in: Monthly Notices of the Royal Astronomical Society, Issue 538, 2025, ISSN 0035-8711
Publisher: Oxford University Press (OUP)
DOI: 10.1093/MNRAS/STAF261

Conference proceedings (1)

Kilonovae radiative transfer simulations from neutron star mergers

Author(s): Christine Collins, Luke Jeremy Shingles, Vimal Vijayan
Published in: Proceedings of FAIR next generation scientists - 8th Edition Workshop — PoS(FAIRness2024), 2026
Publisher: Sissa Medialab
DOI: 10.22323/1.475.0006