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Portail > Offres > Offre UMR5274-VALDEL1-016 - chercheur postdoctoral expérimenté en astrophysique H/F

Experienced postdoctoral researcher in astrophysics H/F

This offer is available in the following languages:
Français - Anglais

Date Limite Candidature : mercredi 15 décembre 2021

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General information

Reference : UMR5274-VALDEL1-016
Workplace : GRENOBLE
Date of publication : Wednesday, November 24, 2021
Type of Contract : FTC Scientist
Contract Period : 24 months
Expected date of employment : 1 January 2022
Proportion of work : Full time
Remuneration : between 3783 and 3953 € gross monthly
Desired level of education : PhD
Experience required : 5 to 10 years


The team of IPAG Grenoble is looking for candidates for an experienced postdoctoral position in the EXOVLTI collaboration, focusing on the study of exoplanetary systems.


The experienced postdoctoral researcher will focus on the characterization of planetary systems observed with various technique of High Angular Resolution, high precision astrometry, and Radial Velocity. The goal is to gather and use quantitative constraints on the mass of the exoplanets, their orbital properties, and the stability of the system, in order to infer new information on the processes of formation of these exoplanets. The successful candidate will:
• Analyze astrometric data obtained in the context of the exoGRAVITY large program at VLTI, in particular analyze and publish the data on HD167665, and/or
• Analyze Hipparcos and Gaia data to look for new exoplanet candidates, write proposals to follow them up with the GRAVITY interferometer, and
• Participate to the building and commissioning activities of the GRAVITY+ instrument for VLTI.


The candidate shall have a PhD in astronomy, in astrophysics or in a closely related field. Previous experiences in reducing and analyzing interferometric, astrometric data, adaptive optics data, in the study of exoplanets, and a solid publication track record will be considered very positively.

The candidates will be treated according to the rules and regulations of CNRS policies. We encourage motivated candidates with a creative approach of data exploration in astrophysics. We encourage candidates with all profiles.


Work Context

The ANR project “EXOVLTI : The formation of young giant exoplanets unveiled by optical interferometry” is built on the new observational windows opened by the very high angular resolution (optical interferometry at VLTI) and the very high precision astrometry (Gaia) in order to determine the fundamental parameters (mass, orbital parameters, abundances) of the young giant exoplanets, at a typical separation of few astronomical units, in order to:
• discover the general properties of this class of objects,
• constrain the process that drive the formation of exoplanets,
• push further the methods to detect and characterize exoplanets with direct light.

The postdoctoral researcher will work in close collaboration with the members of the international collaboration EXOVLTI, and the members of the large program exoGRAVITY. Within IPAG, he/she will be a member of the EXOPLANET team, where he/she will be immerged in a rich scientific environment on the topic of exoplanets, complementary to the EXOVLTI collaboration. As a second affiliation, he/she may be a member of the CHARAM instrumental team, given his/her investment in the development of the GRAVITY+ projet.

IPAG is one of the largest laboratory of the University Grenoble Alpes (UGA), and of the Observatoire des Science de l'Univers (OSUG). IPAG is a mixed research unit (UMR 5274) from the Centre National de Recherche Scientifique (CNRS) and the University Grenoble Alpes.

Constraints and risks

The data from the exoGRAVITY large program being already available, and given the competition in the research field, the candidate will have to start as early as possible in 2022. The contract is for 2 years, with a salary following the CNRS policy. It includes all the benefit from the French social security

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