Institut d'astrophysique de Paris - Symposia and workshops
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Other symposia and workshops

The lab regularly hosts symposia and workshops that focus on particular subjects which are chosen amongst the different fields and projects of the lab. These meetings last several days and are intended for professionals only.

Code of conduct

The Institut d'Astrophysique de Paris holds symposia and workshops to provide to its members and the community an opportunity to present and hear about the latest research findings, in a respectful, inclusive, and ethical environment. All participants agree to abide by IAP's code of conduct, and to ensure that the event is free from all forms of discrimination, harassment, and unprofessional or disruptive behavior. In case of concern, please contact a member of the event's organizing staff, or the director of the IAP.


  • Monday 15 December 2025 - Wednesday 17 December 2025

    « Rogue Worlds Strike Back, Episode 2 »

    Free-floating, or "rogue", planetary-mass objects have been discovered wandering through the Galaxy unbound to any star. The origins of these objects remain poorly understood, and likely involve a combination of many different processes relevant to star and planet formation. Direct imaging surveys of young star-forming regions have already found hundreds of high-mass rogue planets, though it remains an ongoing theoretical challenge to determine what fraction represent ejected planets as opposed to aborted stellar embryos. Meanwhile, upcoming microlensing missions such as the Nancy Grace Roman telescope are poised to vastly increase our sample of free-floating planets at masses extending to Earth-mass and below, opening a new window into their origin and demographics.

    Rogue Worlds 2 is a 3-day workshop designed to bring together researchers at the forefront of different aspects of the study of free-floating planets, including microlensing (ground- and space-based), direct imaging, and modeling of stellar and planetary dynamics. The format of the workshop is designed to promote discussion and foster collaboration, bringing together researchers across a wide array of fields to make new progress on our understanding of rogue worlds and the systems they leave behind.
    Contact : Clément Ranc
cnrs  Sorbone Université

UMR7095 - Institut d'Astrophysique de Paris - 98 bis boulevard Arago - 75014 Paris - Tél. 33 (1) 44 32 80 00 - Fax 33 (1) 44 32 80 01 | Contact | Access | Sitemap  | 

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