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Paris, 26 February - 2 March 2018

5th International Young Astronomer School

organized by the Paris Doctoral School of Astronomy & Astrophysics


Piercarlo Bonifacio, Paris Observatory

Anthony Brown, Leiden Observatory

Benoit Famaey, Strasbourg Observatory

Brad Gibson, University of Hull

Misha Haywood, Paris Observatory

Rodrigo Ibata, Strasbourg Observatory

Yveline Lebreton, Paris Observatory

Matthew Lehnert, Institut d'Astrohysique de Paris

Xavier Luri, Barcelona University

Francesca Matteucci, Trieste University

Eline Tolstoy, Kapteyn Astronomical Institut


ESO/S. Guisard     ESA/ATG Medialab

Scientific case

The first Gaia catalogue, published in September 2016, gave to astronomers a flavor of the outstanding quality and scope of the Gaia data, but its full scale will come with the Spring 2018 data release. It will contain parallaxes and proper motions for the entire catalogue (more than 1 billion stars), and radial velocities for 5 millions of them. The scientific community, and the PHD students and post-docs in particular, will then meet two challenges: handling this huge data set, and tackle the key scientific questions of what constitute the heart of the Gaia mission, the study of the Milky Way galaxy.

On practically all aspects of stellar populations and Galactic evolution, the exploitation of the Gaia data is expected to lead to scientific breakthroughs: measurement of the rotation curve, the gravitational potential, the structure of our Galaxy, its mass growth, etc., and therefore represents a huge interest for the community.

The aim of the school is twofold:

  1. To have the best experts in their field present the key questions on stellar populations structure, chemical and dynamical evolution of the Milky Way, through both modeling aspects and direct exploration of the data to students and post-docs.

  2. To bring very practical answers to the needs of the young astronomers to do their daily science with the Gaia data (handling of the Gaia archive, limits of the data, rigorous statistical handling of the errors, correlations and completeness of the catalogue, familiarity with the available codes to compute various parameters of interest for Galactic science (velocities, orbits, age, etc.). 


The content of the Gaia DR2 is described here 


Local Organizing Committee

Jacques Le Bourlot​

Jacqueline Plancy

Stéphane Thomas

Paola Di Matteo

Misha Haywood

Scientific Organizing Committee

Frédéric Arenou

Anthony Brown

Piercarlo Bonifacio

Paola Di Matteo

Francesca Figueras

Brad Gibson

Misha Haywood (Chair)

David Katz

Jacques Le Bourlot

Elena Pancino

Noel Robichon


A high-resolution version of the poster is available here 

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