WD3D SIGNED
Evolution of white dwarfs with 3D model atmospheres
Total Cost €
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Project "WD3D" data sheet
The following table provides information about the project.
| Coordinator |
THE UNIVERSITY OF WARWICK
Organization address contact info |
| Coordinator Country | United Kingdom [UK] |
| Total cost | 1˙454˙650 € |
| EC max contribution | 1˙454˙650 € (100%) |
| Programme |
1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC)) |
| Code Call | ERC-2015-STG |
| Funding Scheme | ERC-STG |
| Starting year | 2016 |
| Duration (year-month-day) | from 2016-06-01 to 2021-05-31 |
Partnership
Take a look of project's partnership.
| # | ||||
|---|---|---|---|---|
| 1 | THE UNIVERSITY OF WARWICK | UK (COVENTRY) | coordinator | 1˙454˙650.00 |
Map
Project objective
The vast majority of stars will become white dwarfs at the end of the stellar life cycle. These remnants are precise cosmic clocks owing to their well constrained cooling rates. They provide one of the most sensitive tests of when baryonic structure formation began in the Universe. These compact matter laboratories also unravel the mass-loss in the post-main-sequence evolution and establish critical constraints for galactic evolution models. I will design a robust theoretical framework to shed new light on the interior structure of white dwarfs, associate them with their progenitor stars, and enhance their potential as probes of fundamental astrophysical relations. I have recently computed the first 3D simulations of pure-hydrogen white dwarf atmospheres including full radiation-hydrodynamics. These improved calculations demonstrate that the widely used 1D model atmospheres are unable to correctly solve the thermodynamic stratification of convective layers, and therefore lead to incorrect masses and cooling ages. My ambitious goal is to expand the 3D simulations to stellar remnants of all atmospheric compositions and connect these surface calculations to interior structure models. The project is timely since my improved theoretical tools will be essential to analyse the forthcoming Gaia sample, where the number of known white dwarfs is expected to increase by a factor of ten. I will use my theoretical framework with Gaia data, supplemented by other surveys and dedicated follow-up observations, to extract an unprecedented wealth of information from white dwarfs. I will set the standards for the star formation history and initial mass function in the Milky Way, as well as constrain the fundamental mass-radius relation for white dwarfs. I will also study evolved planetary systems that are currently being accreted in the convection zone of their white dwarf hosts, providing direct and unique insight into the bulk composition of exo-terrestrial material.
Publications
| year | authors and title | journal | last update |
|---|---|---|---|
| 2017 |
N. P. Gentile Fusillo, P.-E. Tremblay, S. Jordan, B. T. Gänsicke, J. S. Kalirai, J. Cummings Can magnetic fields suppress convection in the atmosphere of cool white dwarfs? A case study on WD2105−820 published pages: 3693-3699, ISSN: 0035-8711, DOI: 10.1093/mnras/stx2584 |
Monthly Notices of the Royal Astronomical Society 473/3 | 2019-06-19 |
| 2017 |
S. G. Parsons, J. J. Hermes, T. R. Marsh, B. T. Gänsicke, P.-E. Tremblay, S. P. Littlefair, D. I. Sahman, R. P. Ashley, M. Green, S. Rattanasoon, V. S. Dhillon, M. R. Burleigh, S. L. Casewell, D. A. H. Buckley, I. P. Braker, P. Irawati, E. Dennihy, P. RodrÃguez-Gil, D. E. Winget, K. I. Winget, Keaton J. Bell, Mukremin Kilic Two white dwarfs in ultrashort binaries with detached, eclipsing, likely sub-stellar companions detected by K2 published pages: 976-986, ISSN: 0035-8711, DOI: 10.1093/mnras/stx1610 |
Monthly Notices of the Royal Astronomical Society 471/1 | 2019-06-19 |
| 2017 |
E. Breedt, D. Steeghs, T. R. Marsh, N. P. Gentile Fusillo, P.-E. Tremblay, M. Green, S. De Pasquale, J. J. Hermes, B. T. Gänsicke, S. G. Parsons, M. C. P. Bours, P. Longa-Peña, A. Rebassa-Mansergas Using large spectroscopic surveys to test the double degenerate model for Type Ia supernovae published pages: 2910-2922, ISSN: 0035-8711, DOI: 10.1093/mnras/stx430 |
Monthly Notices of the Royal Astronomical Society 468/3 | 2019-06-19 |
| 2017 |
J. J. Hermes, Steven D. Kawaler, A. D. Romero, S. O. Kepler, P.-E. Tremblay, Keaton J. Bell, B. H. Dunlap, M. H. Montgomery, B. T. Gänsicke, J. C. Clemens, E. Dennihy, S. Redfield Evidence from K2 for Rapid Rotation in the Descendant of an Intermediate-mass Star published pages: L2, ISSN: 2041-8213, DOI: 10.3847/2041-8213/aa6ffc |
The Astrophysical Journal 841/1 | 2019-06-19 |
| 2016 |
P.-E. Tremblay, N. Gentile-Fusillo, R. Raddi, S. Jordan, C. Besson, B. T. Gänsicke, S. G. Parsons, D. Koester, T. Marsh, R. Bohlin, J. Kalirai, S. Deustua The Gaia DR1 mass–radius relation for white dwarfs published pages: 2849-2861, ISSN: 0035-8711, DOI: 10.1093/mnras/stw2854 |
Monthly Notices of the Royal Astronomical Society 465/3 | 2019-06-19 |
| 2017 |
J. J. Hermes, B. T. Gänsicke, Steven D. Kawaler, S. Greiss, P.-E. Tremblay, N. P. Gentile Fusillo, R. Raddi, S. M. Fanale, Keaton J. Bell, E. Dennihy, J. T. Fuchs, B. H. Dunlap, J. C. Clemens, M. H. Montgomery, D. E. Winget, P. Chote, T. R. Marsh, S. Redfield White Dwarf Rotation as a Function of Mass and a Dichotomy of Mode Line Widths: Kepler Observations of 27 Pulsating DA White Dwarfs through K2 Campaign 8 published pages: 23, ISSN: 1538-4365, DOI: 10.3847/1538-4365/aa8bb5 |
The Astrophysical Journal Supplement Series 232/2 | 2019-06-19 |
| 2019 |
Pier-Emmanuel Tremblay, Gilles Fontaine, Nicola Pietro Gentile Fusillo, Bart H. Dunlap, Boris T. Gänsicke, Mark A. Hollands, J. J. Hermes, Thomas R. Marsh, Elena Cukanovaite, Tim Cunningham Core crystallization and pile-up in the cooling sequence of evolving white dwarfs published pages: 202-205, ISSN: 0028-0836, DOI: 10.1038/s41586-018-0791-x |
Nature 565/7738 | 2019-08-05 |
| 2015 |
C. Chiappini, I. Minchev, E. Starkenburg, F. Anders, N. Gentile Fusillo, O. Gerhard, G. Guiglion, A. Khalatyan, G. Kordopatis, B. Lemasle, G. Matijevic, A.B. de Andrade Queiroz, A. Schwope, M. Steinmetz, J. Storm, G. Traven, P.-E. Tremblay, M. Valentini, R. Andrae, A. Arentsen, M. Asplund, T. Bensby, M. Bergemann, L. Casagrande, R. Church, G. Cescutti, S. Feltzing, M. Fouesneau, E.K. Grebel, M. Ko 4MOST Consortium Survey 3: Milky Way Disc and Bulge Low-Resolution Survey (4MIDABLE-LR) published pages: 30-34, ISSN: , DOI: 10.18727/0722-6691/5122 |
The Messenger 175 | 2019-08-05 |
| 2019 |
Dimitri Veras, Michael Efroimsky, Valeri V Makarov, Gwenaël Boué, Vera Wolthoff, Sabine Reffert, Andreas Quirrenbach, Pier-Emmanuel Tremblay, Boris T Gänsicke Orbital relaxation and excitation of planets tidally interacting with white dwarfs published pages: 3831-3848, ISSN: 0035-8711, DOI: 10.1093/mnras/stz965 |
Monthly Notices of the Royal Astronomical Society 486/3 | 2019-08-05 |
| 2017 |
R. Raddi, N. P. Gentile Fusillo, A. F. Pala, J. J. Hermes, B. T. Gänsicke, P. Chote, M. A. Hollands, A. Henden, S. Catalán, S. Geier, D. Koester, U. Munari, R. Napiwotzki, P.-E. Tremblay Multiband photometry and spectroscopy of an all-sky sample of bright white dwarfs published pages: 4173-4192, ISSN: 0035-8711, DOI: 10.1093/mnras/stx2243 |
Monthly Notices of the Royal Astronomical Society 472/4 | 2019-04-18 |
| 2018 |
M Perpinyà -Vallès, A Rebassa-Mansergas, B T Gänsicke, S Toonen, J J Hermes, N P Gentile Fusillo, P-E Tremblay Discovery of the first resolved triple white dwarf published pages: , ISSN: 0035-8711, DOI: 10.1093/mnras/sty3149 |
Monthly Notices of the Royal Astronomical Society | 2019-04-18 |
| 2018 |
P-E Tremblay, E Cukanovaite, N P Gentile Fusillo, T Cunningham, M A Hollands Fundamental parameter accuracy of DA and DB white dwarfs in Gaia Data Release 2 published pages: 5222-5232, ISSN: 0035-8711, DOI: 10.1093/mnras/sty3067 |
Monthly Notices of the Royal Astronomical Society 482/4 | 2019-04-18 |
| 2018 |
Paula Izquierdo, Pablo RodrÃguez-Gil, Boris T Gänsicke, Alexander J Mustill, Odette Toloza, Pier-Emmanuel Tremblay, Mark Wyatt, Paul Chote, Siegfried Eggl, Jay Farihi, Detlev Koester, Wladimir Lyra, Christopher J Manser, Thomas R Marsh, Enric Pallé, Roberto Raddi, Dimitri Veras, Eva Villaver, Simon Portegies Zwart Fast spectrophotometry of WD 1145+017 published pages: 703-714, ISSN: 0035-8711, DOI: 10.1093/mnras/sty2315 |
Monthly Notices of the Royal Astronomical Society 481/1 | 2019-04-18 |
| 2017 |
Alysa Obertas, Ilaria Caiazzo, Jeremy Heyl, Harvey Richer, Jason Kalirai, Pier-Emmanuel Tremblay The onset of convective coupling and freezing in the white dwarfs of 47 Tucanae published pages: 677-682, ISSN: 0035-8711, DOI: 10.1093/mnras/stx2759 |
Monthly Notices of the Royal Astronomical Society 474/1 | 2019-04-18 |
| 2017 |
Adam F. Kowalski, Joel C. Allred, Han Uitenbroek, Pier-Emmanuel Tremblay, Stephen Brown, Mats Carlsson, Rachel A. Osten, John P. Wisniewski, Suzanne L. Hawley Hydrogen Balmer Line Broadening in Solar and Stellar Flares published pages: 125, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aa603e |
The Astrophysical Journal 837/2 | 2019-04-18 |
| 2018 |
Nicola Pietro Gentile Fusillo, Pier-Emmanuel Tremblay, Boris T Gänsicke, Christopher J Manser, Tim Cunningham, Elena Cukanovaite, Mark Hollands, Thomas Marsh, Roberto Raddi, Stefan Jordan, Silvia Toonen, Stephan Geier, Martin Barstow, Jeffrey D Cummings A Gaia Data Release 2 catalogue of white dwarfs and a comparison with SDSS published pages: 4570-4591, ISSN: 0035-8711, DOI: 10.1093/mnras/sty3016 |
Monthly Notices of the Royal Astronomical Society 482/4 | 2019-04-18 |
| 2018 |
M A Hollands, P-E Tremblay, B T Gänsicke, N P Gentile-Fusillo, S Toonen The Gaia 20 pc white dwarf sample published pages: 3942-3961, ISSN: 0035-8711, DOI: 10.1093/mnras/sty2057 |
Monthly Notices of the Royal Astronomical Society 480/3 | 2019-04-18 |
| 2018 |
E Cukanovaite, P-E Tremblay, B Freytag, H-G Ludwig, P Bergeron Pure-helium 3D model atmospheres of white dwarfs published pages: 1522-1537, ISSN: 0035-8711, DOI: 10.1093/mnras/sty2383 |
Monthly Notices of the Royal Astronomical Society 481/2 | 2019-04-18 |
| 2018 |
Jeffrey D. Cummings, Jason S. Kalirai, P.-E. Tremblay, Enrico Ramirez-Ruiz, Jieun Choi The White Dwarf Initial–Final Mass Relation for Progenitor Stars from 0.85 to 7.5 M ⊙ published pages: 21, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aadfd6 |
The Astrophysical Journal 866/1 | 2019-04-18 |
| 2017 |
Keaton J. Bell, J. J. Hermes, Z. Vanderbosch, M. H. Montgomery, D. E. Winget, E. Dennihy, J. T. Fuchs, P.-E. Tremblay Destroying Aliases from the Ground and Space: Super-Nyquist ZZ Cetis in K2 Long Cadence Data published pages: 24, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aa9702 |
The Astrophysical Journal 851/1 | 2019-04-18 |
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