Rogue World 2 Conference

[Núria Miret Roig]

[English below]

Estimados colegas,

Del 15 al 17 de diciembre de 2025, están cordialmente invitados a París para Rogue Worlds 2, la segunda edición de la serie de reuniones Rogue Worlds. Será una conferencia de 3 días centrada en la detección, dinámica e interpretación astrofísica de planetas interestelares.

La inscripción y el envío de resúmenes están abiertos en el sitio web: https://indico.iap.fr/event/47/  (Si tienen alguna dificultad, por favor, contacten con rogue...@services.cnrs.fr).

Saludos cordiales, 

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Dear Colleagues,
 
This December 15-17 (2025), you are cordially invited to Paris for Rogue Worlds 2, the second in the Rogue Worlds series of meetings.  It will be a 3-day workshop focusing on the detection, dynamics, and astrophysical interpretation of free-floating planetary mass objects.  
 
Registration and abstract submission are open on the website: https://indico.iap.fr/event/47/  (If you encounter any difficulties, please contact rogue...@services.cnrs.fr)

Scientific rationale
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.

Invited speakers
Takahiro Sumi (Microlensing detection of free-floating planets)
Scott Gaudi (Update on the Nancy Grace Roman space telescope)
Nuria Miret-Roig (Direct imaging of free-floating planets)
Malena Rice (Dynamics of planetary ejection)
Amaya Moro-Martin (Connecting free-floating planets and interstellar objects)
Ruth Murray-Clay (Connecting free-floating planets with the tail end of the stellar IMF)

Scientific organizing committee:
Sean N. Raymond (LAB/CNRS), chair
Hervé Bouy (LAB/Université de Bordeaux), co-chair
Jean-Philippe Beaulieu (IAP/CNRS)
David P. Bennett (UMD/NASA Goddard)
William A. DeRocco (UMD/JHU)
Jackie Faherty (AMNH)
 
Local organizing committee
Jean-Philippe Beaulieu (IAP/CNRS)
Clément Ranc (IAP/Sorbonne Université)
Efstathia Natalia Rektsini (IAP/CNRS)
Manon Gilles (IAP)

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