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LEDA SIGNED

The challenging quest for low-mass dark structures

Total Cost €

EC-Contrib. €

Partnership

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LEDA project word cloud

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

differ implications predictions lensing interferometers galaxy using position lens function universe core 10 assumed quality distinguish erc depends paradigm small modern probe structures extended mm cm group mass standard code observational nature imaging measuring lenses simulations cosmic milestone successes objects am theories potentially numerical pioneered gravitational 12 m dark models regime sol scientific structure cold technique tool data local create hypothesis model probed warm amount class cosmology unmatched 6 shown revise acquired

Project "LEDA" data sheet

The following table provides information about the project.

Coordinator	MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN EV Organization address address: HOFGARTENSTRASSE 8 city: Munich postcode: 80539 website: www.mpg.de 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	Germany [DE]
Total cost	1˙359˙688 €
EC max contribution	1˙359˙688 € (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 2018-02-01 to 2023-01-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN EV MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN EV Organization address address: HOFGARTENSTRASSE 8 city: Munich postcode: 80539 website: www.mpg.de contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	DE (Munich)	coordinator	1˙359˙688.00

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Project objective

Using strong gravitational lensing, I will constrain with my unique modelling technique and acquired knowledge the properties of dark matter and potentially revise the current standard paradigm for the formation of all structures which is at the core of modern cosmology and galaxy formation theories.

Numerical simulations of cosmic structure formation have shown that the amount of mass in low-mass objects depends strongly on the assumed nature of dark matter. My goal is to constrain the nature of dark matter by measuring the dark matter mass function down to ~10^6 M_sol, where the predictions from different currently viable dark matter models differ by large factors.

To this end, I will use the gravitational imaging technique, an advanced modelling tool that I have developed and pioneered, and state-of-the-art strong gravitational lensing data for 12 systems observed with cm- and mm-interferometers. At present, this is the only observational probe of low-mass structure in the dark matter distribution beyond the Local Universe.

This will represent an important milestone in our understanding of the dark Universe and will provide a key observational test of the Cold Dark Matter model in a regime that has not been probed before. This ERC project will challenge our standard model for small-scale structure formation and will distinguish between “warm” and “cold” hypothesis for the nature of dark matter. This ERC project will have significant implications for the fields of cosmology and galaxy formation.

I am in a unique position to achieve the scientific goal here proposed. I have extended experience in studying gravitational lenses and low mass dark structures. I have an unmatched gravitational lens modelling code and high quality data. With this ERC I will build upon my previous successes and create a top-class research group for studying dark matter with gravitational lensing.

Publications

List of publications.
year	authors and title	journal	last update
2018	C Spingola, J P McKean, M W Auger, C D Fassnacht, L V E Koopmans, D J Lagattuta, S Vegetti SHARP â€“ V. Modelling gravitationally lensed radio arcs imaged with global VLBI observations published pages: 4816-4829, ISSN: 0035-8711, DOI: 10.1093/mnras/sty1326	Monthly Notices of the Royal Astronomical Society 478/4	2019-10-03
2019	E Ritondale, S Vegetti, G Despali, M W Auger, L V E Koopmans, J P McKean Low-mass halo perturbations in strong gravitational lenses at redshift z Â âˆ¼Â 0.5 are consistent with CDM published pages: 2179-2193, ISSN: 0035-8711, DOI: 10.1093/mnras/stz464	Monthly Notices of the Royal Astronomical Society 485/2	2019-10-03
2019	Giulia Despali, Martin Sparre, Simona Vegetti, Mark Vogelsberger, JesÃºs Zavala, Federico Marinacci The interplay of self-interacting dark matter and baryons in shaping the halo evolution published pages: 4563-4573, ISSN: 0035-8711, DOI: 10.1093/mnras/stz273	Monthly Notices of the Royal Astronomical Society 484/4	2019-10-03

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The information about "LEDA" are provided by the European Opendata Portal: CORDIS opendata.