DELPHI SIGNED
DELPHI: a framework to study Dark Matter and the emergence of galaxies in the epoch of reionization
Total Cost €
0EC-Contrib. €
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Project "DELPHI" data sheet
The following table provides information about the project.
| Coordinator |
RIJKSUNIVERSITEIT GRONINGEN
Organization address contact info |
| Coordinator Country | Netherlands [NL] |
| Total cost | 1˙500˙000 € |
| EC max contribution | 1˙500˙000 € (100%) |
| Programme |
1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC)) |
| Code Call | ERC-2016-STG |
| Funding Scheme | ERC-STG |
| Starting year | 2017 |
| Duration (year-month-day) | from 2017-03-01 to 2022-02-28 |
Partnership
Take a look of project's partnership.
| # | ||||
|---|---|---|---|---|
| 1 | RIJKSUNIVERSITEIT GRONINGEN | NL (GRONINGEN) | coordinator | 1˙500˙000.00 |
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Project objective
Our Universe started as a dark featureless sea of hydrogen, helium, and dark matter of unknown composition about 13 and a half billion years ago. The earliest galaxies lit up the Universe with pinpricks of light, ushering in the era of ‘cosmic dawn’. These galaxies represent the primary building blocks of all subsequent galaxies and the sources of the first (hydrogen ionizing) photons that could break apart the hydrogen atoms suffusing all of space starting the process of ‘cosmic reionization’. By virtue of being the smallest bound structures in the early Universe, these galaxies also provide an excellent testbed for models wherein Dark Matter is composed of warm, fast moving particles as opposed to the sluggish heavy particles used in the standard Cold Dark Matter paradigm.
Exploiting the power of the latest cosmological simulations as well as semi-analytic modelling rooted in first principles, DELPHI will build a coherent and predictive model to answer three of the key outstanding questions in physical cosmology: - how did the interlinked processes of galaxy formation and reionization drive each other? - what were the physical properties of early galaxies and how have they evolved through time to give rise to the galaxy properties we see today? - what is the nature (mass) of the mysterious Dark Matter that makes up 80% of the matter content in the Universe?
The timescale of the ERC represents an excellent opportunity for progress on these fundamental questions: observations with cutting-edge instruments (e.g. the Hubble and Subaru telescopes) are providing the first tantalising glimpses of early galaxies assembling in an infant Universe, required to pin down theoretical models. The realistic results obtained by DELPHI will also be vital in determining survey strategies and exploiting synergies between forthcoming key state-of-the-art instruments such as the European-Extremely Large Telescope, the James Webb Space Telescope and the Square Kilometre Array.
Publications
| year | authors and title | journal | last update |
|---|---|---|---|
| 2019 |
E Lusso, M Fumagalli, M Fossati, R Mackenzie, R M Bielby, F Arrigoni Battaia, S Cantalupo, R Cooke, S Cristiani, P Dayal, V D’Odorico, F Haardt, E Lofthouse, S Morris, C Peroux, L Prichard, M Rafelski, R Simcoe, M Swinbank, T Theuns The MUSE Ultra Deep Field (MUDF). I. Discovery of a group of Lyα nebulae associated with a bright z ≈ 3.23 quasar pair published pages: , ISSN: 1745-3933, DOI: 10.1093/mnrasl/slz032 |
Monthly Notices of the Royal Astronomical Society: Letters | 2020-03-23 |
| 2019 |
Atrideb Chatterjee, Pratika Dayal, Tirthankar Roy Choudhury, Anne Hutter Ruling out 3Â keV warm dark matter using 21Â cm EDGES data published pages: 3560-3567, ISSN: 0035-8711, DOI: 10.1093/mnras/stz1444 |
Monthly Notices of the Royal Astronomical Society 487/3 | 2020-03-23 |
| 2019 |
Pratika Dayal, Elena M Rossi, Banafsheh Shiralilou, Olmo Piana, Tirthankar Roy Choudhury, Marta Volonteri The hierarchical assembly of galaxies and black holes in the first billion years: predictions for the era of gravitational wave astronomy published pages: 2336-2350, ISSN: 0035-8711, DOI: 10.1093/mnras/stz897 |
Monthly Notices of the Royal Astronomical Society 486/2 | 2020-03-23 |
| 2019 |
Jacob Seiler, Anne Hutter, Manodeep Sinha, Darren Croton The escape fraction of ionizing photons during the Epoch of Reionization: observability with the Square Kilometre Array published pages: 5739-5752, ISSN: 0035-8711, DOI: 10.1093/mnras/stz1663 |
Monthly Notices of the Royal Astronomical Society 487/4 | 2020-03-23 |
| 2018 |
Pratika Dayal, Andrea Ferrara Early galaxy formation and its large-scale effects published pages: 1-64, ISSN: 0370-1573, DOI: 10.1016/j.physrep.2018.10.002 |
Physics Reports 780-782 | 2020-03-23 |
| 2019 |
Hutter, Anne; Dayal, Pratika; Malhotra, Sangeeta; Rhoads, James; Choudhury, Tirthankar Roy; Ciardi, Benedetta; Conselice, Christopher J.; Cooray, Asantha; Cuby, Jean-Gabriel; Datta, Kanan K.; Fan, Xiaohui; Finkelstein, Steven; Hirata, Christopher; Iliev, Ilian; Jansen, Rolf; Kakiichi, Koki; Koekemoer, Anton; Maio, Umberto; Majumdar, Suman; Mellema, Garrelt; Mondal, Rajesh; Papovich, Casey; Rhodes, Astro2020 Science White Paper: A proposal to exploit galaxy-21cm synergies to shed light on the Epoch of Reionization published pages: , ISSN: , DOI: |
Astro2020: Decadal Survey on Astronomy and Astrophysics, science white papers, no. 57; Bulletin of the American Astronomical Society, Vol. 51, Issue 3, id. 57 (2019) 1 | 2020-03-23 |
| 2019 |
Mischa Knabenhans, Joachim Stadel, Stefano Marelli, Doug Potter, Romain Teyssier, Laurent Legrand, Aurel Schneider, Bruno Sudret, Linda Blot, Saeeda Awan, Carlo Burigana, Carla Sofia Carvalho, Hannu Kurki-Suonio, Gabriele Sirri Euclid preparation: II. The EuclidEmulator – a tool to compute the cosmology dependence of the nonlinear matter power spectrum published pages: 5509-5529, ISSN: 0035-8711, DOI: 10.1093/mnras/stz197 |
Monthly Notices of the Royal Astronomical Society 484/4 | 2020-03-23 |
| 2017 |
Pratika Dayal, Tirthankar Roy Choudhury, Fabio Pacucci, Volker Bromm Warm dark matter constraints from high-z direct collapse black holes using the JWST published pages: 4414-4421, ISSN: 0035-8711, DOI: 10.1093/mnras/stx2282 |
Monthly Notices of the Royal Astronomical Society 472/4 | 2020-03-23 |
| 2018 |
Anne Hutter, Cathryn M Trott, Pratika Dayal Survey parameters for detecting 21-cm-Ly α emitter cross-correlations with the Square Kilometre Array published pages: L129-L133, ISSN: 1745-3933, DOI: 10.1093/mnrasl/sly115 |
Monthly Notices of the Royal Astronomical Society: Letters 479/1 | 2020-03-23 |
| 2018 |
Tirthankar Roy Choudhury, Pratika Dayal Probing the fluctuating ultraviolet background using the Hubble Frontier Fields published pages: L19-L23, ISSN: 1745-3933, DOI: 10.1093/mnrasl/sly186 |
Monthly Notices of the Royal Astronomical Society: Letters 482/1 | 2020-03-23 |
| 2018 |
Jonas Bremer, Pratika Dayal, Emma V Ryan-Weber Probing the nature of dark matter through the metal enrichment of the intergalactic medium published pages: 2154-2163, ISSN: 0035-8711, DOI: 10.1093/mnras/sty771 |
Monthly Notices of the Royal Astronomical Society 477/2 | 2020-03-23 |
| 2018 |
M. Castellano, L. Pentericci, E. Vanzella, F. Marchi, A. Fontana, P. Dayal, A. Ferrara, A. Hutter, S. Carniani, S. Cristiani, M. Dickinson, S. Gallerani, E. Giallongo, M. Giavalisco, A. Grazian, R. Maiolino, E. Merlin, D. Paris, S. Pilo, P. Santini Spectroscopic Investigation of a Reionized Galaxy Overdensity at z = 7 published pages: L3, ISSN: 2041-8213, DOI: 10.3847/2041-8213/aad59b |
The Astrophysical Journal 863/1 | 2020-03-23 |
| 2017 |
C. L. Carilli, E. J. Murphy, A. Ferrara, P. Dayal Galaxies into the Dark Ages published pages: 49, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aa8b66 |
The Astrophysical Journal 848/1 | 2020-03-23 |
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