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At The Conversation U.S., NASA Hubble Fellow Guðmundur Stefánsson writes about the discovery of an exoplanet that is more than 13 times heavier than Earth. bit.ly/3uKre5S

Delighted to announce that the next Bcool meeting take place from April 9-11th 2024 at ASTRON! The deadline for registration and abstract submission is March 8th. Details: indico.astron.nl/e/bcool2024

The first paper from my PhD is published in Nature Astronomy! Link: nature.com/articles/s4155… ArXiv: arxiv.org/abs/2312.16924 A small thread describing the key results of the paper follows (1/n)

Science time! Back in 2001, when I had JUST gotten into exoplanets, the Swiss planet hunting team announced a *bonkers* planet, HD 80606b. It had an eccentricity of 0.93: basically like a comet! A period of 111 days, and a periapse that made it—briefly—a hot Jupiter.

Check out Arvind Gupta's exciting discovery of the most eccentric transiting exoplanet (e=0.94) that is on a retrograde orbit published in nature today !

Congratulations to Arvind Gupta for leading this discovery of the most eccentric transiting planet know using NEID HPF TESS, HARP-N. A beautiful and strange system amenable to further followup. NOIRLab Penn State Eberly College of Science Center for Exoplanets and Habitable Worlds Penn State Research McDonald Observatory

Een internationaal team van astronomen onder leiding van Guðmundur Stefánsson (Universiteit van Amsterdam) heeft het bestaan bevestigd van een planeet met een omlooptijd van 570 dagen en een massa van 12 Jupitermassa's, genaamd Gaia-4b. astronomie.nl/nieuws/gaias-e…

A team including #PrincetonU professor Joshua Winn — and led by former postdoc Guðmundur Stefánsson — discovered a massive hidden planet. Get to know Gaia-4b ⬇️ bit.ly/4b0BnfL