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The Cluster Observations and Theory Intersection: Providing selection functions and scaling relations to set constraints on the physics of the accelerating universe.

Total Cost €


EC-Contrib. €






 ClOThIlde project word cloud

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

supernova    galaxy    grappling    function    mass    catalogues    quantity    realistic    lsst    snia    survey    critically    theoretical    energy    modifications    models    surveys    dark    wfirst    formalism    gravitational    cluster    tool    expansion    abundance    accelerated    structures    richness    cosmological    itself    probes    quantities    observations    evolution    mock    origin    precision    mysterious    relation    strengthen    lies    scenarios    oscillations    effort    bao    community    constraints    fill    basic    clusters    astronomy    physics    profound    model    near    interaction    powerful    baryon    critical    ia    theory    lensing    observational    catalogue    answer    fisher    equation    synergy    acoustic    pas    quantifying    caused    establishment    constrains    behaved    complement    scientific    imaging    optical    matrix    modified    tightly    predict    euclid    evaluation    surpasses    issue    infrared    form    gravity    forefront    introduce    fundamental    question    functions    population    universe   

Project "ClOThIlde" data sheet

The following table provides information about the project.


Organization address
address: RUE MICHEL ANGE 3
city: PARIS
postcode: 75794

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 France [FR]
 Project website
 Total cost 173˙076 €
 EC max contribution 173˙076 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2014
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2016
 Duration (year-month-day) from 2016-01-01   to  2017-12-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Astronomy is grappling with a profound issue: the origin of the accelerated expansion of the universe. Is it caused by a mysterious dark energy, or a new aspect of the gravitational interaction? Galaxy clusters, the largest structures in the Universe, will help answer this question. Cluster formation and evolution are driven by the evolution of the universe itself and cluster abundance is therefore a powerful observational tool that tightly constrains the cosmological model, such as dark energy, and key quantities of fundamental Physics, such as modifications to gravitational theory. These constraints complement and strengthen those from other observational probes, such as type Ia supernova (SNIa), gravitational lensing and baryon acoustic oscillations (BAO). Critical aspects in the scientific analysis of cluster surveys are the survey selection function, relating the survey catalogue to the general cluster population, and the relation between the observable richness and cluster mass, the basic theoretical quantity. The establishment of these two elements is critically needed for the exploitation of optical/near-infrared imaging cluster surveys planned by the European scientific community. We propose to fill this need by 1) quantifying imaging survey cluster selection functions and 2) determining the form of the cluster richness-mass relation using a synergy between observations and well-behaved realistic mock catalogues; we will then 3) introduce this information into the Fisher Matrix formalism to predict possible constraints on theoretical models, e.g, the dark energy equation-of-state or modified gravity scenarios. The precision targeted by planned imaging surveys (e.g., Euclid, J-PAS, LSST, WFIRST) surpasses all previous analyses. Detailed evaluation of expected constraints under realistic conditions as proposed by our research lies at the forefront of current effort in field.


year authors and title journal last update
List of publications.
2015 B. Ascaso, S. Mei, N. Benítez
Apples to apples A 2 – I. Realistic galaxy simulated catalogues and photometric redshift predictions for next-generation surveys
published pages: 2516-2533, ISSN: 0035-8711, DOI: 10.1093/mnras/stv1597
Monthly Notices of the Royal Astronomical Society 453/3 2019-06-13
2017 C. López-Sanjuan, E. Tempel, N. Benítez, A. Molino, K. Viironen, L. A. Díaz-García, A. Fernández-Soto, W. A. Santos, J. Varela, A. J. Cenarro, M. Moles, P. Arnalte-Mur, B. Ascaso, A. D. Montero-Dorta, M. Pović, V. J. Martínez, L. Nieves-Seoane, M. Stefanon, Ll. Hurtado-Gil, I. Márquez, J. Perea, J. A. L. Aguerri, E. Alfaro, T. Aparicio-Villegas, T. Broadhurst, J. Cabrera-Caño, F. J. Castander, J. Cepa, M. Cerviño, D. Cristóbal-Hornillos, R. M. González Delgado, C. Husillos, L. Infante, J. Masegosa, A. del Olmo, F. Prada, J. M. Quintana
The ALHAMBRA survey: B -band luminosity function of quiescent and star-forming galaxies at 0.2 ≤  z  < 1 by PDF analysis
published pages: A62, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201629517
Astronomy & Astrophysics 599 2019-06-13
2016 P. Troncoso Iribarren, L. Infante, N. Padilla, I. Lacerna, S. Garcia, A. Orsi, A. Muñoz Arancibia, J. Moustakas, D. Cristóbal-Hornillos, M. Moles, A. Fernández-Soto, V. J. Martínez, M. Cerviño, E. J. Alfaro, B. Ascaso, P. Arnalte-Mur, L. Nieves-Seoane, N. Benítez
Evolution of Balmer jump selected galaxies in the ALHAMBRA survey
published pages: A132, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201527552
Astronomy & Astrophysics 588 2019-06-13
2016 B. Sartoris, A. Biviano, C. Fedeli, J. G. Bartlett, S. Borgani, M. Costanzi, C. Giocoli, L. Moscardini, J. Weller, B. Ascaso, S. Bardelli, S. Maurogordato, P. T. P. Viana
Next generation cosmology: constraints from the Euclid galaxy cluster survey
published pages: 1764-1780, ISSN: 0035-8711, DOI: 10.1093/mnras/stw630
Monthly Notices of the Royal Astronomical Society 459/2 2019-06-13
2016 Ll. Hurtado-Gil, P. Arnalte-Mur, V. J. Martínez, A. Fernández-Soto, M. Stefanon, B. Ascaso, C. López-Sanjuán, I. Márquez, M. Pović, K. Viironen, J. A. L. Aguerri, E. Alfaro, T. Aparicio-Villegas, N. Benítez, T. Broadhurst, J. Cabrera-Caño, F. J. Castander, J. Cepa, M. Cerviño, D. Cristóbal-Hornillos, R. M. González Delgado, C. Husillos, L. Infante, J. Masegosa, M. Moles, A. Molino, A. del Olmo, S. Paredes, J. Perea, F. Prada, J. M. Quintana
published pages: 174, ISSN: 1538-4357, DOI: 10.3847/0004-637X/818/2/174
The Astrophysical Journal 818/2 2019-06-13
2017 Jonás Chaves-Montero, Silvia Bonoli, Mara Salvato, Natascha Greisel, Luis A. Díaz-García, Carlos López-Sanjuan, Kerttu Viironen, Alberto Fernández-Soto, Mirjana Pović, Begoña Ascaso, Pablo Arnalte-Mur, Josefa Masegosa, Israel Matute, Isabel Márquez, A. Javier Cenarro, L. Raul Abramo, Alessandro Ederoclite, Emilio J. Alfaro, Antonio Marin-Franch, Jesus Varela, David Cristobal-Hornillos
ELDAR, a new method to identify AGN in multi-filter surveys: the ALHAMBRA test case
published pages: 2085-2106, ISSN: 0035-8711, DOI: 10.1093/mnras/stx2054
Monthly Notices of the Royal Astronomical Society 472/2 2019-06-13
2016 B. Ascaso, S. Mei, J. G. Bartlett, N. Benítez
Apples to apples A 2 – II. Cluster selection functions for next-generation surveys
published pages: 2270-2280, ISSN: 0035-8711, DOI: 10.1093/mnras/stw2508
Monthly Notices of the Royal Astronomical Society 464/2 2019-06-13
2016 L. Nieves-Seoane, A. Fernandez-Soto, P. Arnalte-Mur, A. Molino, M. Stefanon, I. Ferreras, B. Ascaso, F. J. Ballesteros, D. Cristóbal-Hornillos, C. López-Sanjuán, Ll. Hurtado-Gil, I. Márquez, J. Masegosa, J. A. L. Aguerri, E. Alfaro, T. Aparicio-Villegas, N. Benítez, T. Broadhurst, J. Cabrera-Caño, F. J. Castander, J. Cepa, M. Cerviño, R. M. González Delgado, C. Husillos, L. Infante, V. J. Martínez, M. Moles, A. del Olmo, J. Perea, M. Pović, F. Prada, J. M. Quintana, P. Troncoso-Iribarren, K. Viironen
A K s -band-selected catalogue of objects in the ALHAMBRA survey
published pages: 4331-4348, ISSN: 0035-8711, DOI: 10.1093/mnras/stw2431
Monthly Notices of the Royal Astronomical Society 464/4 2019-06-13
2017 A. Molino, N. Benítez, B. Ascaso, D. Coe, M. Postman, S. Jouvel, O. Host, O. Lahav, S. Seitz, E. Medezinski, P. Rosati, W. Schoenell, A. Koekemoer, Y. Jimenez-Teja, T. Broadhurst, P. Melchior, I. Balestra, M. Bartelmann, R. Bouwens, L. Bradley, N. Czakon, M. Donahue, H. Ford, O. Graur, G. Graves, C. Grillo, L. Infante, S. W. Jha, D. Kelson, R. Lazkoz, D. Lemze, D. Maoz, A. Mercurio, M. Meneghetti, J. Merten, L. Moustakas, M. Nonino, S. Orgaz, A. Riess, S. Rodney, J. Sayers, K. Umetsu, W. Zheng, A. Zitrin
CLASH: accurate photometric redshifts with 14 HST bands in massive galaxy cluster cores
published pages: 95-113, ISSN: 0035-8711, DOI: 10.1093/mnras/stx1243
Monthly Notices of the Royal Astronomical Society 470/1 2019-06-13
2017 M. Pierre, C. Adami, M. Birkinshaw, L. Chiappetti, S. Ettori, A. Evrard, L. Faccioli, F. Gastaldello, P. Giles, C. Horellou, A. Iovino, E. Koulouridis, C. Lidman, A. Le Brun, B. Maughan, S. Maurogordato, I. McCarthy, S. Miyazaki, F. Pacaud, S. Paltani, M. Plionis, T. Reiprich, T. Sadibekova, V. Smolcic, S. Snowden, J. Surdej, M. Tsirou, C. Vignali, J. Willis, S. Alis, B. Altieri, N. Baran, C. Benoist, A. Bongiorno, M. Bremer, A. Butler, A. Cappi, C. Caretta, P. Ciliegi, N. Clerc, P. S. Corasaniti, J. Coupon, J. Delhaize, I. Delvecchio, J. Democles, Sh. Desai, J. Devriendt, Y. Dubois, D. Eckert, A. Elyiv, A. Farahi, C. Ferraril, S. Fotopoulou, W. Forman, I. Georgantopoulos, V. Guglielmo, M. Huynh, N. Jerlin, Ch. Jones, S. Lavoie, J.-P. Le Fevre, M. Lieu, M. Kilbinger, F. MaruIli, A. Mantz, S. McGee, J.-B. Melin, O. Melnyk, L. Moscardini, M. Novak, E. Piconcelli, B. Poggianti, D. Pomarede, E. Pompei, T. Ponman, M. E. Ramos Ceja, P. Rana, D. Rapetti, S. Raychaudhury, M. Ricci, H. Rottgering, M. Sahlen, J.-L. Sauvageot, C. Schimd, M. Sereno, G.P. Smith, K. Umetsu, P. Valageas, A. Valotti, I. Valtchanov, A. Veropalumbo, B. Ascaso, D. Barnes, M. De Petris, F. Durret, M. Donahue, M. Ithana, M. Jarvis, M. Johnston-Hollitt, E. Kalfountzou, S. Kay, F. La Franca, N. Okabe, A. Muzzin, A. Rettura, F. Ricci, J. Ridl, G. Risaliti, M. Takizawa, P. Thomas, N. Truong
The XXL survey: First results and future
published pages: 334-341, ISSN: 0004-6337, DOI: 10.1002/asna.201713352
Astronomische Nachrichten 338/2-3 2019-06-13
2016 B. Ascaso, N. Benítez, R. Dupke, E. Cypriano, G. Lima-Neto, C. López-Sanjuan, J. Varela, J. S. Alcaniz, T. Broadhurst, A. J. Cenarro, N. Chandrachani Devi, L. A. Díaz-García, C. A. C. Fernandes, C. Hernández-Monteagudo, S. Mei, C. Mendes de Oliveira, A. Molino, I. Oteo, W. Schoenell, L. Sodré, K. Viironen, A. Marín-Franch
An accurate cluster selection function for the J-PAS narrow-band wide-field survey
published pages: 4291-4304, ISSN: 0035-8711, DOI: 10.1093/mnras/stv2988
Monthly Notices of the Royal Astronomical Society 456/4 2019-06-13

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