activity
20072026
most citedThe TW Hydrae Association : trigonometric parallaxes and kinematic analysis

99 citations · 553 across the 19 of their papers we have counts for

collaborators

16 papers

astro-ph.EP2026

Size, shape, density, and atmospheric limit of (50000) Quaoar revealed from 14 years of stellar occultation

Giuliano Margoti, Felipe Braga-Ribas, José Luis Ortiz +173

We present results from 28 stellar occultations by the large Trans-Neptunian Object (50000) Quaoar registered between 2018 and 2025. By performing a joint analysis of this occultat…

astro-ph.GA2025★ 1 cited

Gaia GraL: Gaia gravitational lens systems IX. Using XGBoost to explore the Gaia Focused Product Release GravLens catalogue

Quentin Petit, Christine Ducourant, Eric Slezak +21

Aims. Quasar strong gravitational lenses are important tools for putting constraints on the dark matter distribution, dark energy contribution, and the Hubble-Lemaitre parameter. W…

astro-ph.IM2025

Semi-Supervised Learning for Lensed Quasar Detection

David Sweeney, Alberto Krone-Martins, Daniel Stern +7

Lensed quasars are key to many areas of study in astronomy, offering a unique probe into the intermediate and far universe. However, finding lensed quasars has proved difficult des…

astro-ph.GA2024★ 2 cited

Disentanglement of the chemodynamical assembly: mapping the Milky Way disks

Elvis Cantelli, Ramachrisna Teixeira

The formation and structure of the Milky Way has a fundamental role in our understanding of the universe and its evolution, and thanks to the Gaia mission and large spectroscopic s…

astro-ph.GA2023

Gaia GraL: Gaia DR2 Gravitational Lens Systems. VIII. A radio census of lensed systems

Dougal Dobie, Dominique Sluse, Adam Deller +26

We present radio observations of 24 confirmed and candidate strongly lensed quasars identified by the Gaia Gravitational Lenses (GraL) working group. We detect radio emission from…

astro-ph.GA2023★ 7 cited

Gaia Focused Product Release: A catalogue of sources around quasars to search for strongly lensed quasars

Gaia Collaboration, A. Krone-Martins, C. Ducourant +398

Context. Strongly lensed quasars are fundamental sources for cosmology. The Gaia space mission covers the entire sky with the unprecedented resolution of " in the optical, ma…