• Boyajian Star, an unresolved mystery

    Few stars have sparked the curiosity of astronomers and the general public as much as KIC 8462852. Commonly known as Tabby’s Star or Boyajian’s Star, in honor of the American astronomer, Tabetha S. Boyajian, this unique…

  • Jason Rowe, a new professor at Bishop’s University

    On July 1st, 2017, Jason Rowe has joined Bishop’s University, as Assistant Professor in the Physics & Astronomy Department. He has varied research interests related to the study of the properties, statistics and occurrence of exoplanets, and…

  • Contest: Win an observation night at Observatoire du Mont-Mégantic!

    Are you a high school student? The Observatoire du Mont-Mégantic and the Institute for research in exoplanets invite you to spend a night at the telescope of Observatoire du Mont-Mégantic, with astronomers who will introduce you to their…

  • 12 August 2017: Event “À la découverte des nouveaux mondes” at Campus MIL

    The Institute for research on exoplanets (IREx) at Université de Montréal invites astronomy enthusiasts of all ages to a day of cosmic celebration on the campus MIL, on Saturday, August 12, from 3 pm to 11pm. During this…

  • 21 August 2017: Solar Eclipse viewing at Université de Montréal

    A Solar eclipse is a rare astronomical phenomenon that occurs when the Moon is perfectly aligned between the Earth and the Sun to hide the Sun’s light. The eclipse of August 21 2017 will be total in the United States,…

  • Over 50 participants at the CRAQ Summer School 2017

    From 12 to 14 June 2017, students and researchers of iREx participated to the Center for research in astrophysics of Quebec (CRAQ) Summer school. The school takes place every year with a new theme. It is…

  • Two iREx researchers at the “Festival d’astronomie populaire” of Mont-Mégantic

    Two researchers of iREx will give conferences (in French) at the 2017 “Festival d’astronomie populaire du Mont-Mégantic”, that takes place at the ASTROLab of Parc National du Mont-Mégantic in July. René Doyon, the director of iREx and of…

  • New Branch in Family Tree of Exoplanets Discovered

     Since the mid-1990s, when the first planet around another sun-like star was discovered, astronomers have been amassing what is now a large collection of exoplanets—nearly 3,500 have been confirmed so far. In a new Caltech-led study,…

  • Surprise! When a brown dwarf is actually a planetary mass object

    Sometimes a brown dwarf is actually a planet—or planet-like anyway. A team led by Carnegie’s Jonathan Gagné, and including researchers from the Institute for Research on Exoplanets (iREx) at Université de Montréal, University of California San…

  • New measurements of the WASP-47 System Point to a Puzzling Formation History

    A team led by iREx researcher Lauren Weiss combined measurements from the W. M. Keck Observatory in Hawaii and the Kepler Space Telescope to study the four known planets around WASP-47, a solar-like star located 650…

  • Our Trottier Summer Interns 2017

    iREx will count 6 new researchers this summer. The Trottier summer interns will work from May to August with iREx researchers. These undergraduate students were selected among more than 20 applicants from all over Canada. To…

  • LHS 1140b, another world to study with the Webb Telescope

    An exoplanet a bit bigger and more massive than the Earth was just detected in the habitable zone of its parent star, which is located 41 light-years away. It was possible to measure both the mass…

  • David Lafrenière, recipient of the CASCA Harvey B. Richer Gold Medal

    David Lafrenière, professor at Université de Montréal and member of iREx, is the recipient of the Harvey B. Richer Gold Medal. This Canadian Astronomical Society (CASCA) medal is awarded every two years, and for the first time in…

  • Hunting for giant planet analogs in our own backyard

    There may be a large number of undetected bright, substellar objects similar to giant exoplanets in our own solar neighborhood, according to new work from a team led by Carnegie’s Jonathan Gagné and including researchers from…

  • Want to learn more? Follow us!

    You want to learn more about exoplanets? About the Institute for research on exoplanets? About the progresses and discoveries our team is contributing to? Follow us! On Facebook On Twitter And subscribe to our newsletter, published every two…

  • Seven Earth-sized planets around the ultra-cool dwarf TRAPPIST-1

    About a year ago, the discovery of 3 Earth-sized planets orbiting the very cold star TRAPPIST-1 stirred excitement in the astronomical community. At a distance of forty light-years, this star is among our nearest celestial neighbours….

  • Exoplanet

    An exoplanet, or extrasolar planet, is an object orbiting another star than our Sun. If such definition seems deceptively simple, the current state of the research is driven by the search of a more refined and…