TRIPLE SIGNED
Three Indirect Probes of Lyman continuum LEakage from galaxies
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Project "TRIPLE" data sheet
The following table provides information about the project.
| Coordinator |
UNIVERSITE DE GENEVE
Organization address contact info |
| Coordinator Country | Switzerland [CH] |
| 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-2017-STG |
| Funding Scheme | ERC-STG |
| Starting year | 2018 |
| Duration (year-month-day) | from 2018-03-01 to 2023-02-28 |
Partnership
Take a look of project's partnership.
| # | ||||
|---|---|---|---|---|
| 1 | UNIVERSITE DE GENEVE | CH (GENEVE) | coordinator | 1˙500˙000.00 |
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Project objective
Cosmic reionization corresponds to the period in the history of the Universe during which the predominantly neutral intergalactic medium was ionised by the emergence of the first luminous sources. Young stars in primeval galaxies may be the sources of reionization, if the ionising radiation, called Lyman continuum (LyC), that they produce can escape their interstellar medium: the escape fraction of LyC photons from galaxies is one of the main unknowns of reionization studies. This ERC project will contribute to answer this question, by computing from simulated galaxies three indirect diagnostics of LyC leakage that were recently reported in the literature, and comparing the virtual observables with the direct escape of LyC photons from simulated galaxies, and with observations. The first diagnostic for LyC leakage relates the escape of the strongly resonant Lyman-alpha radiation from galaxies to the LyC escape. It was proposed by the PI (Verhamme et al. 2015), and recently validated by observations (Verhamme et al. 2016). The second diagnostic proposes that the strength of Oxygen lines ratios can trace density-bounded interstellar regions. It was the selection criterion for the successful detection of 5 strong Lyman Continuum Emitters from our team (Izotov 2016a,b). The third diagnostic relates the metallic absorption line strengths to the porosity of the absorbing interstellar gas in front of the stars. The increasing opacity of the intergalactic medium with redshift renders direct LyC detections impossible during reionisation. Indirect methods are the only probes of LyC leakage in the distant Universe, and the proposed diagnostics will soon become observables at the redshifts of interest with JWST. They have passed the validation tests, it is now urgent to calibrate these indicators on state-of-the art simulations of galaxy formation. This is the main objective of the proposed project.
Publications
| year | authors and title | journal | last update |
|---|---|---|---|
| 2019 |
Taysun Kimm, Jérémy Blaizot, Thibault Garel, Léo Michel-Dansac, Harley Katz, Joakim Rosdahl, Anne Verhamme, Martin Haehnelt Understanding the escape of LyC and Lyα photons from turbulent clouds published pages: 2215-2237, ISSN: 0035-8711, DOI: 10.1093/mnras/stz989 |
Monthly Notices of the Royal Astronomical Society 486/2 | 2019-10-29 |
| 2018 |
Michael V. Maseda, Roland Bacon, Marijn Franx, Jarle Brinchmann, Joop Schaye, Leindert A. Boogaard, Nicolas Bouché, Rychard J. Bouwens, Sebastiano Cantalupo, Thierry Contini, Takuya Hashimoto, Hanae Inami, Raffaella A. Marino, Sowgat Muzahid, Themiya Nanayakkara, Johan Richard, Kasper B. Schmidt, Anne Verhamme, Lutz Wisotzki MUSE Spectroscopic Identifications of Ultra-faint Emission Line Galaxies with M UV ∼ −15 published pages: L1, ISSN: 2041-8213, DOI: 10.3847/2041-8213/aade4b |
The Astrophysical Journal 865/1 | 2019-10-29 |
| 2018 |
J. Chisholm, S. Gazagnes, D. Schaerer, A. Verhamme, J. R. Rigby, M. Bayliss, K. Sharon, M. Gladders, H. Dahle Accurately predicting the escape fraction of ionizing photons using rest-frame ultraviolet absorption lines published pages: A30, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201832758 |
Astronomy & Astrophysics 616 | 2019-10-29 |
| 2018 |
M. Paalvast, A. Verhamme, L. A. Straka, J. Brinchmann, E. C. Herenz, D. Carton, M. L. P. Gunawardhana, L. A. Boogaard, S. Cantalupo, T. Contini, B. Epinat, H. Inami, R. A. Marino, M. V. Maseda, L. Michel-Dansac, S. Muzahid, T. Nanayakkara, G. Pezzulli, J. Richard, J. Schaye, M. C. Segers, T. Urrutia, M. Wendt, L. Wisotzki Properties and redshift evolution of star-forming galaxies with high [O III]/[O II] ratios with MUSE at 0.28 < z  < 0.85 published pages: A40, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201832866 |
Astronomy & Astrophysics 618 | 2019-10-29 |
| 2018 |
Peter M. Weilbacher, Ana Monreal-Ibero, Anne Verhamme, Christer Sandin, Matthias Steinmetz, Wolfram Kollatschny, Davor Krajnović, Sebastian Kamann, Martin M. Roth, Santiago Erroz-Ferrer, Raffaella Anna Marino, Michael V. Maseda, Martin Wendt, Roland Bacon, Stefan Dreizler, Johan Richard, Lutz Wisotzki Lyman-continuum leakage as dominant source of diffuse ionized gas in the Antennae galaxy published pages: A95, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201731669 |
Astronomy & Astrophysics 611 | 2019-10-29 |
| 2017 |
Y I Izotov, D Schaerer, G Worseck, N G Guseva, T X Thuan, A Verhamme, I Orlitová, K J Fricke J1154+2443: a low-redshift compact star-forming galaxy with a 46 per cent leakage of Lyman continuum photons published pages: 4514-4527, ISSN: 0035-8711, DOI: 10.1093/mnras/stx3115 |
Monthly Notices of the Royal Astronomical Society 474/4 | 2019-10-29 |
| 2018 |
F. Marchi, L. Pentericci, L. Guaita, D. Schaerer, A. Verhamme, M. Castellano, B. Ribeiro, B. Garilli, O. Le Fèvre, R. Amorin, S. Bardelli, P. Cassata, A. Durkalec, A. Grazian, N. P. Hathi, B. C. Lemaux, D. Maccagni, E. Vanzella, E. Zucca Ly α -Lyman continuum connection in 3.5 ≤ z ≤ 4.3 star-forming galaxies from the VUDS survey published pages: A11, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201732133 |
Astronomy & Astrophysics 614 | 2019-10-29 |
| 2018 |
D. Schaerer, Y. I. Izotov, K. Nakajima, G. Worseck, J. Chisholm, A. Verhamme, T. X. Thuan, S. de Barros Intense C III] λλ 1907,1909 emission from a strong Lyman continuum emitting galaxy published pages: L14, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201833823 |
Astronomy & Astrophysics 616 | 2019-10-29 |
| 2019 |
G. de La Vieuville, D. Bina, R. Pello, G. Mahler, J. Richard, A. B. Drake, E. C. Herenz, F. E. Bauer, B. Clément, D. Lagattuta, N. Laporte, J. Martinez, V. PatrÃcio, L. Wisotzki, J. Zabl, R. J. Bouwens, T. Contini, T. Garel, B. Guiderdoni, R. A. Marino, M. V. Maseda, J. Matthee, J. Schaye, G. Soucail Faint end of the z ∼ 3–7 luminosity function of Lyman-alpha emitters behind lensing clusters observed with MUSE published pages: A3, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201834471 |
Astronomy & Astrophysics 628 | 2019-10-29 |
| 2018 |
R Bassett, E V Ryan-Weber, J Cooke, C G Diaz, T Nanayakkara, T-T Yuan, L R Spitler, U Meštrić, T Garel, M Sawicki, S Gwyn, A Golob On the lack of correlation between [O  iii ]/[O  ii ] and Lyman continuum escape fraction published pages: 5223-5245, ISSN: 0035-8711, DOI: 10.1093/mnras/sty3320 |
Monthly Notices of the Royal Astronomical Society 483/4 | 2019-10-29 |
| 2018 |
S. Gazagnes, J. Chisholm, D. Schaerer, A. Verhamme, J. R. Rigby, M. Bayliss Neutral gas properties of Lyman continuum emitting galaxies: Column densities and covering fractions from UV absorption lines published pages: A29, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201832759 |
Astronomy & Astrophysics 616 | 2019-10-29 |
| 2019 |
Ruari Mackenzie, Michele Fumagalli, Tom Theuns, David J Hatton, Thibault Garel, Sebastiano Cantalupo, Lise Christensen, Johan P U Fynbo, Nissim Kanekar, Palle Møller, John O’Meara, J Xavier Prochaska, Marc Rafelski, Tom Shanks, James Trayford Linking gas and galaxies at high redshift: MUSE surveys the environments of six damped Lyα systems at z ≈ 3 published pages: 5070-5096, ISSN: 0035-8711, DOI: 10.1093/mnras/stz1501 |
Monthly Notices of the Royal Astronomical Society 487/4 | 2019-10-29 |
| 2018 |
Y I Izotov, G Worseck, D Schaerer, N G Guseva, T X Thuan, Fricke, A Verhamme, I Orlitová Low-redshift Lyman continuum leaking galaxies with high [O iii]/[O ii] ratios published pages: 4851-4865, ISSN: 0035-8711, DOI: 10.1093/mnras/sty1378 |
Monthly Notices of the Royal Astronomical Society 478/4 | 2019-10-29 |
| 2018 |
I. Orlitová, A. Verhamme, A. Henry, C. Scarlata, A. Jaskot, M. S. Oey, D. Schaerer Puzzling Lyman-alpha line profiles in green pea galaxies published pages: A60, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201732478 |
Astronomy & Astrophysics 616 | 2019-10-29 |
| 2018 |
Alaina Henry, Danielle A. Berg, Claudia Scarlata, Anne Verhamme, Dawn Erb A Close Relationship between Ly α and Mg ii in Green Pea Galaxies published pages: 96, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aab099 |
The Astrophysical Journal 855/2 | 2019-10-29 |
| 2018 |
Anna Feltre, Roland Bacon, Laurence Tresse, Hayley Finley, David Carton, Jérémy Blaizot, Nicolas Bouché, Thibault Garel, Hanae Inami, Leindert A. Boogaard, Jarle Brinchmann, Stéphane Charlot, Jacopo Chevallard, Thierry Contini, Leo Michel-Dansac, Guillaume Mahler, Raffaella A. Marino, Michael V. Maseda, Johan Richard, Kasper B. Schmidt, Anne Verhamme The MUSE Hubble Ultra Deep Field Survey published pages: A62, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201833281 |
Astronomy & Astrophysics 617 | 2019-10-29 |
| 2018 |
Taysun Kimm, Martin Haehnelt, Jérémy Blaizot, Harley Katz, Léo Michel-Dansac, Thibault Garel, Joakim Rosdahl, Romain Teyssier Impact of Lyman alpha pressure on metal-poor dwarf galaxies published pages: 4617-4635, ISSN: 0035-8711, DOI: 10.1093/mnras/sty126 |
Monthly Notices of the Royal Astronomical Society 475/4 | 2019-10-29 |
| 2019 |
Themiya Nanayakkara, Jarle Brinchmann, Leindert Boogaard, Rychard Bouwens, Sebastiano Cantalupo, Anna Feltre, Wolfram Kollatschny, Raffaella Anna Marino, Michael Maseda, Jorryt Matthee, Mieke Paalvast, Johan Richard, Anne Verhamme Exploring He II  λ 1640 emission line properties at z ∼2−4 published pages: A89, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201834565 |
Astronomy & Astrophysics 624 | 2019-10-29 |
| 2018 |
Joakim Rosdahl, Harley Katz, Jérémy Blaizot, Taysun Kimm, Léo Michel-Dansac, Thibault Garel, Martin Haehnelt, Pierre Ocvirk, Romain Teyssier The SPHINX Cosmological Simulations of the First Billion Years: the Impact of Binary Stars on Reionization★ published pages: , ISSN: 0035-8711, DOI: 10.1093/mnras/sty1655 |
Monthly Notices of the Royal Astronomical Society | 2019-10-29 |
| 2018 |
A Verhamme, T Garel, E Ventou, T Contini, N Bouché, EC Herenz, J Richard, R Bacon, KB Schmidt, M Maseda, RA Marino, J Brinchmann, S Cantalupo, J Caruana, B Clément, C Diener, AB Drake, T Hashimoto, H Inami, J Kerutt, W Kollatschny, F Leclercq, V PatrÃcio, J Schaye, L Wisotzki, J Zabl Recovering the systemic redshift of galaxies from their Lyman alpha line profile published pages: L60-L65, ISSN: 1745-3933, DOI: 10.1093/mnrasl/sly058 |
Monthly Notices of the Royal Astronomical Society: Letters 478/1 | 2019-10-29 |
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