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We welcome our follower number 2000 – at the start of the #ESAEuclid Data-Release-1-year 2026!
(Let's see when we'll get the next 26 followers!)
We would like to wish everyone joyful holidays and a good start into the Euclid Data Release 1 year 2026.
For more info about the image: https://www.euclid-ec.org/happy-holidays-2025/
Yannick Mellier, 1958–2025
Yannick Mellier, 1958–2025
The project will of course continue. Yannick's support team, his deputy, the board and its chair, and our contacts at ESA will continue to work to ensure that the mission continues, as he would certainly have wanted.
Sadly,
Francis Bernadeau (EC Deputy Lead) and Marc Sauvage (Chair EC Board)
3/3
Those of us who have been here the longest know how hard he worked to make Euclid a success. He became its embodiment, working tirelessly to ensure its success; we owe him an immense debt of gratitude, and we will surely have the opportunity to reflect in detail on all that we owe him.
2/3
Au revoir Yannick!
Dear colleagues and friends,
It is with the greatest sadness that we announce the passing of Yannick Mellier, which occurred during the night between Friday and Saturday. His death leaves a huge void within the consortium and our community.
1/3
We would like to wish everyone joyful holidays and a good start into the Euclid Data Release 1 year 2026.
For more info about the image: https://www.euclid-ec.org/happy-holidays-2025/
We followed up #ESAEuclid's near-infrared image of the Dark Cloud LDN 1641 with a comparison to the previous most used survey, 2MASS, and to a bespoke ground-based image in visible light.
Here's the comparison and writeup, including tools to pan, zoom, and experiment yourself:
We summarized #ESAEuclid's experience with this outbreak here: