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TOMMY SIGNED

Tomography of the Milky waY

Total Cost €

0

EC-Contrib. €

0

Partnership

0

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 TOMMY project word cloud

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

tomographically    rcgs    combining    velocities    arms    form    understand    star    milky    rosetta    view    stellar    astronomers    lie    clump    millions    fundamental    spiral    maps    almost    harvest    dusty    rewards    light    horizon    galaxy    promise    esa    front    era    proper    satellite    formed    huge    techniques    astronomical    accurately    galactic    leaders    poised    dark    global    thereby    mass    infer    ground    stone    galaxies    plane    researcher    utilising    giants    abundances    15    bar    gaia    centre    home    near    disk    dynamics    written    lies    red    billion    community    collaborations    2018    motions    surveys    forefront    map    5kpc    65    positions    profile    data    chemical    leaps    place    group    synergies    release    3d    host    regions    er    infrared    candles    obscured    works    science    standard    stars    decompose    shape    shed    inner    structure    investment    lasting    template    measuring   

Project "TOMMY" data sheet

The following table provides information about the project.

Coordinator
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS 

Organization address
address: RUE MICHEL ANGE 3
city: PARIS
postcode: 75794
website: www.cnrs.fr

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]
 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-2017
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2018
 Duration (year-month-day) from 2018-10-01   to  2020-09-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS FR (PARIS) coordinator 173˙076.00

Map

 Project objective

We are poised to make huge leaps in our understanding of the Milky Way. In 2018 ESA's Gaia satellite will release measurements of the positions and velocities of almost a billion stars. In millions of those, astronomers on the ground are accurately measuring the abundances of ~15 elements. These detailed star-by-star measurements are possible only in our Galaxy, and promise to make the Milky Way a Rosetta Stone for understanding in detail the fundamental processes that shape and form all galaxies.

However a global understanding of the Milky Way will remain a challenge: Gaia's horizon lies in front of the Galactic centre, and its view is obscured in the dusty Galactic plane where most of the stellar mass lies. 65% of the Galaxy's stars lie within 5kpc of the Galactic centre, so we cannot use the Milky Way as a template without understanding the Inner Galaxy. We will use novel techniques to shed light on these important inner regions. Utilising Red Clump Giants (RCGs) as standard candles we will tomographically decompose the Galaxy: 1) By combining Gaia data with near-infrared proper motions, we will identify RCGs in the inner Galaxy, and use them to map the stellar mass in the inner disk and spiral arms. 2) We will measure the abundances of RCGs towards the bar and so make 3D chemical maps of the inner Galaxy to understand how the bar formed, and how it is related to the inner disk. 3) Combining Gaia proper motions with RCGs in the inner Galaxy we will measure the Galactic potential, and thereby infer the inner dark matter profile.

The Host Group are leaders in Milky Way surveys, and the Experienced Researcher (ER) has written important works in Galactic structure and dynamics. These synergies will result in long-lasting collaborations, and help the European astronomical community harvest the rewards from its investment in Galactic science. In an era where we will finally understand our home galaxy, the research in this proposal will place the ER at the forefront.

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

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