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The VMC Survey. XVIII. Radial dependence of the low-mass, 0.55--0.82 stellar mass function in the Galactic globular cluster 47 Tucanae
Chaoli Zhang, Chengyuan Li, Richard de Grijs +12
We use near-infrared observations obtained as part of the {\sl Visible and Infrared Survey Telescope for Astronomy} (VISTA) Survey of the Magellanic Clouds (VMC), as well as two co…
WISE J061213.85-303612.5: a new T-dwarf binary candidate
N. Huélamo, V. D. Ivanov, R. Kurtev +8
T and Y-dwarfs are among the coolest and least luminous objects detected, and they can help to understand the properties of giant planets. Their multiplicity properties can shed li…
The Closest Known Flyby of a Star to the Solar System
Eric E. Mamajek, Scott A. Barenfeld, Valentin D. Ivanov +4
Passing stars can perturb the Oort Cloud, triggering comet showers and potentially extinction events on Earth. We combine velocity measurements for the recently discovered, nearby,…
The VMC Survey - XIV. First results on the look-back time star-formation rate tomography of the Small Magellanic Cloud
Stefano Rubele, Leo Girardi, Leandro Kerber +17
We analyse deep images from the VISTA survey of the Magellanic Clouds in the YJKs filters, covering 14 sqrdeg (10 tiles), split into 120 subregions, and comprising the main body an…