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High definition and time-resolved studies of exoplanet atmospheres: a new window on the extreme diversity of the exoplanet zoo

Project description

Characterising exoplanet atmospheres using high-resolution spectroscopy

In the search for life beyond our solar system, astronomers have turned their eyes towards a planet that would be similar to ours. However, the ongoing search for a second Earth has revealed an astounding diversity in the population of planets orbiting other stars. The key to understanding this diversity lies in the study of their atmospheres, which holds vital information on exoplanet formation and evolution histories. The EU-funded exoZoo project will conduct the largest study of exoplanet atmospheres applying high-resolution spectroscopy, placing unprecedented constraints on the physical causes of exoplanet diversity. The researchers will study the light reflected from the exoplanet atmospheres. Furthermore, they will pioneer an innovative photometric monitoring technique to measure exoplanet rotation and detect giant storms.

Objective

The ongoing search for a second Earth has revealed an astounding diversity in the population of planets orbiting other stars. This eclectic zoo of other worlds shows little similarity with our own solar system. The key to understanding this diversity lies in exoplanet atmospheres, which hold vital information on their formation histories and evolutionary pathways. To access them, I propose three ambitious new windows into exoplanet characterization that will: i) Deliver the largest homogenous study of exoplanet atmospheres at high spectral resolution, and provide a novel framework that combines multi-resolution data to deliver precise atmospheric measurements. This will place unprecedented constraints on the physical causes of exoplanet diversity and is a game changer in understanding their origins. ii) Perform the first robust study of the reflective properties of exoplanet atmospheres at high spectral resolution, constraining their evolution and demonstrating how to interpret, and crucially, optimise high-resolution observations for the upcoming biomarker hunt with the extremely large telescopes. This may be our only way to characterize the nearest habitable worlds. iii) Pioneer an innovative photometric monitoring technique for exoplanet atmospheres and use it to measure their rotation, detect giant storms, and hunt for occulting moons to begin surveying their demographics. The achievement of these three main objectives will be a ground-breaking step forward in our understanding of exoplanets and Earth’s place amongst them, bringing us ever closer to answering the question: are we alone?

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

ERC-STG - Starting Grant

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Call for proposal

(opens in new window) ERC-2018-STG

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Host institution

THE CHANCELLOR, MASTERS AND SCHOLARS OF THE UNIVERSITY OF OXFORD
Net EU contribution
€ 1 386 358,39
Address
WELLINGTON SQUARE UNIVERSITY OFFICES
OX1 2JD Oxford
United Kingdom
Region
South East (England) Berkshire, Buckinghamshire and Oxfordshire Oxfordshire
Activity type
Higher or Secondary Education Establishments
Links
Total cost
€ 1 386 358,39

Beneficiaries (2)