26–29 Aug 2025
Niels Bohr Institute
Europe/Copenhagen timezone

On the use of Gaia astrometry to indentify companions in Young Stars

27 Aug 2025, 14:00
20m
Niels Bohr Institute

Niels Bohr Institute

Margrethe Bohr Auditorium Niels Bohr Building Jagtvej 132 DK-2200 Copenhagen

Speaker

Dr Miguel Vioque (European Southern Observatory)

Description

I will show how to use Gaia astrometry to indentify binaries and companions in Young Stars. I will exemplify the power of this technique with a few science cases, from newly identified protoplanets within protoplanetary disks to a reassesment of the multiplicity of the populations of circumbinary and transition disks. I will conclude looking forward to the upcoming Gaia DR4 and the revolution it will bring for multiplicity analyses, once all individual epochs are published.

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