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Total Cost €


EC-Contrib. €






 PRIMORDIAL project word cloud

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

strategy    suggest    until    mass    satellites    ancient    reveal    members    off    galaxies    evolution    milky    opportunity    primordial    rare    place    massive    hosts    kinematics    heavy    halo    function    initial    never    stars    formed    gaia    experts    catch    fundamental    poor    group    signatures    enriched    apogee    photospheres    gas    disappeared    fossils    latest    deep    ideal    models    theoretical    imprint    regions    surveys    host    simulations    forthcoming    newly    characterizing    day    chance    era    numerical    data    resolution    exploited    metal    generation    probability    candidates    living    surrounding    huge    nature    turn    observatory    carry    chemical    galaxy    first    survive    detection    maximize    paris    eso    spectroscopic    dwarf    local    segue    amount    hunting    follow    chemistry    simultaneously    preserving    cosmology    survey    observe    select    fossil    environment    observational    extremely    lived    cosmological   

Project "PRIMORDIAL" data sheet

The following table provides information about the project.


Organization address
city: PARIS
postcode: 75014

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-2015
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2016
 Duration (year-month-day) from 2016-09-01   to  2018-12-21


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    OBSERVATOIRE DE PARIS FR (PARIS) coordinator 173˙076.00


 Project objective

'Understanding the nature of the first stars is a fundamental problem in Cosmology and Galaxy Formation. Numerical simulations suggest that primordial stars were more massive that present-day stars, and so they rapidly disappeared. Heavy elements newly produced by these stars enriched the surrounding gas, out of which long-lived, low-mass stars formed. These 'second-generation' stars survive until present-day, preserving in their photospheres the chemical imprint of the first stars. In the Local Group, high-resolution spectroscopic studies, offer us the unique opportunity to reveal these fossil signatures. But second-generation stars are extremely rare, making their detection challenging. In the current era of wide and deep spectroscopic surveys, such as Gaia-ESO, SEGUE, and APOGEE, we will have the chance to catch many of these stars. This project aims at characterizing the first stars by hunting their living fossils, in the Local Group. By further developing my cosmological chemical-evolution models, and exploiting the huge, unique, and already available data-sets for ancient Local group stars, I will simultaneously study the chemical evolution of the Milky Way and its dwarf satellites to: 1) define the host environment (halo regions, dwarf galaxies) and properties (chemistry, kinematics) of second-generation stars; 2) select candidates for high-resolution spectroscopic follow-up; 3) constrain strongly the primordial initial mass function. The latest results from the Turn-Off Primordial Stars survey, at the host institution, will be exploited. The proposed theoretical-observational strategy, never used before, will maximize the probability to observe second-generation stars, making use of the huge amount of new and forthcoming data to characterize primordial stars. The Paris Observatory is the ideal place to carry out this research, as it hosts major experts in spectroscopic studies of metal-poor stars, Galaxy Formation, and members of the Gaia-ESO survey.'


year authors and title journal last update
List of publications.
2017 Pallottini A., Ferrara A., Gallerani S., Vallini L., Maiolino R. & Salvadori S.
Zooming on the internal structure of z=6 galaxies
published pages: , ISSN: 0035-8711, DOI:
MNRAS 2019-06-13
2016 Caffau E.; Bonifacio P.; Spite M.; Spite F.; Monaco L.; Sbordone L.; François P.; Gallagher A. J.; Plez B.; Zaggia S.; Ludwig H.-G.; Cayrel R.; Koch A.; Steffen M.; Salvadori S.; Klessen R.; Glover S.; Christlieb N.
TOPoS. III. An ultra iron-poor multiple CEMP system
published pages: , ISSN: 0004-6361, DOI:
A&A Letter 2019-06-13
2017 Graziani L., de Bennassuti M., Schnedeir R., Daisuke K., Salvadori S.
The history of the dark and luminous side of Milky Way-like progenitors
published pages: , ISSN: 0035-8711, DOI:
MNRAS 2019-06-13
2017 de Bennassuti M, Salvadori S., Schnedeir R., Valiante R., Omukai K
Limits on Population III star formation with the most iron-poor stars
published pages: , ISSN: 0035-8711, DOI:
MNRAS 2019-06-13
2017 Duffau S., Caffau E., Sbordone L., Bonifacio P., Andrievsky, S., Korotin, S., Babusiaux, C., Salvadori S., and other 43 co-authors
The Gaia-ESO Survey: Galactic evolution of sulphur and zinc
published pages: , ISSN: 0004-6361, DOI:
A&A 2019-06-13

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

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