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A publication in Astronomy & Astrophysics

ULiège astronomers contribute to the discovery of a new exotic world

TOI-2257b is an exoplanet described as a temperate "mini-Neptune", about twice the size of Earth, orbiting a cool star in a highly elliptical orbit of 35 days.  

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10 january 2022

Bright comet Leonard does the show in the southern sky

While the comet Leonard (C/2021 A1) was approaching its perihelion on January 3 and was visible to the naked eye in the Southern hemisphere, the TRAPPIST-South telescope captured this magnificient image of the comet colorful atmosphere and tail.

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3 janvier 2022

TRAPPIST observes JWST en route to final orbit

On the night of 2 January, the ULiège TRAPPIST-Sud telescope at ESO in Chile photographed the James Webb Space Telescope (JWST) moving among the stars in the constellation Orion.

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A publication in Astronomy & Astrophysics

ESO publishes images of 42 of the largest asteroids of the Solar System

A detailed catalog collected over the past four years with the Very Large Telescope of the European Southern Observatory, with the participation of TRAPPIST telescopes from ULiège.

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Extreme collision of stellar winds between two massive stars

The origin of the powerful radio emission emitted at the heart of the Apep system was deciphered thanks to the intensive observation of two of its stars.

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Scientific prize

Four ULiège researchers laureates of the Royal Academy of Belgium prizes

Shohei Aoki, Emmanuel Jehin, Nicolas Magain and Andy Chevigné, researchers in the ULiège Faculties of Science and are among the fifteen laureates of this year's nominations.

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TRAPPIST-South reopen its eye to the sky

The ULiège's TRAPPIST-South telescope, located in Chile, has resumed its activities by pointing its eye on the Triangulum constellation.

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The big asteroid 1998 OR2 passes close to Earth

The TRAPPIST-Nord robotic telescope has been monitoring the Near Earth Asteroid 1998 OR2 since the beginning of March.

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A publication in Nature Astronomy

Large amounts of carbon monoxide in the nucleus of the interstellar comet 2I/Borisov

Using the radio telescopes of the ALMA observatory and the TRAPPIST-South telescope, researchers were able to observe the chemical compounds of the comet discovered in 2019.

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A publication in Nature Astronomy

Hygiea, the smallest dwarf planet in the Solar System

Observations using the Very Large Telescope (VLT) and ULiege's two TRAPPIST telescopes revealed the true shape of this planet, previously considered an asteroid.

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Recherche

CN gas detected in the interstellar object 2I/Borisov

With the help of telescopes, including TRAPPIST-North from ULiège, the composition of the new comet of extrasolar origin is unveiled

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The 7 wonders of TRAPPIST-1

ULg astronomers discovered seven telluric planets around the star TRAPPIST-1. “The TRAPPIST-1 system is the largest treasure of terrestrial planets ever detected around a single star.”

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