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TRIPLE SIGNED

Three Indirect Probes of Lyman continuum LEakage from galaxies

Total Cost €

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EC-Contrib. €

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 TRIPLE project word cloud

Explore the words cloud of the TRIPLE project. It provides you a very rough idea of what is the project "TRIPLE" about.

density    absorption    distant    2016    lines    resonant    redshift    validation    escape    successful    oxygen    leakage    criterion    izotov    lyman    jwst    history    sources    neutral    universe    verhamme    medium    proposes    gas    question    regions    virtual    cosmic    observations    detection    simulations    first    line    tests    reionization    galaxy    soon    renders    indicators    urgent    strengths    ionised    opacity    metallic    2015    front    emergence    team    radiation    intergalactic    alpha    reported    computing    et    pi    erc    trace    lyc    al    relates    indirect    porosity    luminous    calibrate    continuum    redshifts    answer    emitters    direct    diagnostic    impossible    predominantly    photons    fraction    ratios    absorbing    stars    probes    validated    ionising    primeval    corresponds    unknowns    young    bounded    interstellar    literature    simulated    detections    galaxies    period    strength    2016a    diagnostics    reionisation    passed    observables   

Project "TRIPLE" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITE DE GENEVE 

Organization address
address: RUE DU GENERAL DUFOUR 24
city: GENEVE
postcode: 1211
website: www.unige.ch

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 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.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITE DE GENEVE CH (GENEVE) coordinator 1˙500˙000.00

Map

 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
List of publications.
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. Patrício, 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 Patrício, 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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