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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.

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

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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