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Joint-probe analyses SIGNED

Cosmological joint-probe analyses: constraining the effect of baryon physics on the matter distribution

Total Cost €

EC-Contrib. €

Partnership

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Joint-probe analyses project word cloud

Explore the words cloud of the Joint-probe analyses project. It provides you a very rough idea of what is the project "Joint-probe analyses" about.

elucidate gravitational either energy mission former pressing cosmic expansion scales force euclid questions accelerated physics surveys poses majority correlations nature action performing driving responsible stringent substances cross tsz cosmology cosmological background lensing promptly fellow estimation preclude probe microwave galaxies dark astronomy obstacle accuracy goals sunyaev thermal resampling dependent data joint put tools overcome small explanation reaching baryonic baryon accounts statistical science constraining latter measuring estimate applicable universe covariance zeldovich techniques effect analysing covariances cmb restricting unprecedented precision validate satisfactory estimators scope vast weak structure mysterious

Project "Joint-probe analyses" data sheet

The following table provides information about the project.

Coordinator	THE UNIVERSITY OF EDINBURGH Organization address address: OLD COLLEGE, SOUTH BRIDGE city: EDINBURGH postcode: EH8 9YL website: www.ed.ac.uk 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	United Kingdom [UK]
Total cost	195˙454 €
EC max contribution	195˙454 € (100%)
Programme	1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
Code Call	H2020-MSCA-IF-2017
Funding Scheme	MSCA-IF-EF-ST
Starting year	2018
Duration (year-month-day)	from 2018-04-02 to 2020-04-01

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	THE UNIVERSITY OF EDINBURGH THE UNIVERSITY OF EDINBURGH Organization address address: OLD COLLEGE, SOUTH BRIDGE city: EDINBURGH postcode: EH8 9YL website: www.ed.ac.uk contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	UK (EDINBURGH)	coordinator	195˙454.00

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Project objective

Among the most pressing questions in physics are the nature of dark energy and dark matter. The former is the driving force behind the current accelerated expansion of the Universe while the latter accounts for the vast majority of matter and is responsible for the growth of the large-scale structure in the Universe. No satisfactory explanation has been put forward for either of these two mysterious substances, however. Future cosmological surveys, such as Euclid, will elucidate the nature of dark matter and dark energy by measuring the distribution of matter and the growth of structure in the Universe to unprecedented accuracy. These high-precision measurements put stringent requirements on the accuracy of the modelling and statistical tools. At small scales, the uncertainty in the modelling of baryonic processes is already restricting the potential of current cosmological surveys and, if not addressed promptly, will preclude future surveys from reaching their mission science goals. During the proposed action, the Fellow will address these challenges by constraining the effect of baryon physics on the matter distribution by performing a joint-probe analysis of the three cross-correlations between weak gravitational lensing from galaxies, lensing of the cosmic microwave background (CMB), and the thermal Sunyaev-Zeldovich (tSZ) effect. Analysing the joint-probe measurements poses unique challenges on the estimation of the data covariance. To overcome this obstacle, the Fellow will develop novel data covariance estimators based on recent statistical advances in resampling techniques of dependent data. These covariance estimation techniques will be applicable beyond the scope of this project and impact cosmology and astronomy in general by providing crucial new tools to estimate and validate the data covariances of large-scale surveys.

Publications

List of publications.
year	authors and title	journal	last update
2019	Tilman TrÃ¶ster, Cameron Ferguson, Joachim Harnois-DÃ©raps, Ian G McCarthy Painting with baryons: augmenting N-body simulations with gas using deep generative models published pages: L24-L29, ISSN: 1745-3933, DOI: 10.1093/mnrasl/slz075	Monthly Notices of the Royal Astronomical Society: Letters 487/1	2020-01-30
2018	J Harnois-DÃ©raps, A Amon, A Choi, V Demchenko, C Heymans, A Kannawadi, R Nakajima, E Sirks, L vanÂ Waerbeke, Yan-Chuan Cai, B Giblin, H Hildebrandt, H Hoekstra, L Miller, T TrÃ¶ster Cosmological simulations for combined-probe analyses: covariance and neighbour-exclusion bias published pages: 1337-1367, ISSN: 0035-8711, DOI: 10.1093/mnras/sty2319	Monthly Notices of the Royal Astronomical Society 481/1	2020-01-30
2019	Fabian KÃ¶hlinger, Benjamin Joachimi, Marika Asgari, Massimo Viola, Shahab Joudaki, Tilman TrÃ¶ster A Bayesian quantification of consistency in correlated datasets published pages: , ISSN: 0035-8711, DOI: 10.1093/mnras/stz132	Monthly Notices of the Royal Astronomical Society	2020-01-30
2018	Benjamin Giblin, Catherine Heymans, Joachim Harnois-DÃ©raps, Fergus Simpson, JÃ¶rg P Dietrich, Ludovic VanÂ Waerbeke, Alexandra Amon, Marika Asgari, Thomas Erben, Hendrik Hildebrandt, Benjamin Joachimi, Konrad Kuijken, Nicolas Martinet, Peter Schneider, Tilman TrÃ¶ster KiDS-450: enhancing cosmic shear with clipping transformations published pages: 5529-5549, ISSN: 0035-8711, DOI: 10.1093/mnras/sty2271	Monthly Notices of the Royal Astronomical Society 480/4	2020-01-30

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