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About

N. Lodieu is a leading figure in the study of stellar and substellar populations, with a particular focus on the low-mass end of the stellar main sequence, brown dwarfs, and exoplanets. Their work is distinguished by a deep integration of astrometric, photometric, and spectroscopic data to map and characterize these elusive objects. A landmark contribution is their 3D mapping of the Hyades open cluster (2019, 44 citations), which combined Gaia astrometry with ground-based parallaxes to provide the most complete census of its stellar and substellar members, offering critical insights into cluster dynamics and formation. Lodieu also played a key role in the first optical follow-up of the gravitational-wave event GW150914 (2016, 46 citations) using the MASTER Robotic Net, demonstrating the importance of rapid, multi-messenger astronomy. Their sustained impact is reflected in a body of work that has garnered hundreds of citations, establishing them as a central authority on the architecture of nearby star clusters and the search for the coolest, faintest objects in the solar neighborhood.