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Three-dimensional dust density structure of the Orion, Cygnus X,Taurus, and Perseus star-forming regions
T. E. Dharmawardena, C. A. L. Bailer-Jones, M. Fouesneau +1
Interstellar dust affects astronomical observations through absorption and reddening, yet this extinction is also a powerful tool for studying interstellar matter in galaxies. 3D r…
Deep Transfer Learning for Classification of Variable Sources
Dae-Won Kim, Doyeob Yeo, Coryn A. L. Bailer-Jones +1
Ongoing or upcoming surveys such as Gaia, ZTF, or LSST will observe light-curves of billons or more astronomical sources. This presents new challenges for identifying interesting a…
Lost in space? Relativistic interstellar navigation using an astrometric star catalogue
Coryn A. L. Bailer-Jones
The exploration of interstellar space will require autonomous navigation systems that do not rely on tracking from the Earth. Here I develop a method to determine the 3D position a…
Estimating distances from parallaxes. V: Geometric and photogeometric distances to 1.47 billion stars in Gaia Early Data Release 3
C. A. L. Bailer-Jones, J. Rybizki, M. Fouesneau +2
Stellar distances constitute a foundational pillar of astrophysics. The publication of 1.47 billion stellar parallaxes from Gaia is a major contribution to this. Yet despite Gaia's…
Gaia Early Data Release 3: Structure and properties of the Magellanic Clouds
Gaia Collaboration, X. Luri, L. Chemin +417
We compare the Gaia DR2 and Gaia EDR3 performances in the study of the Magellanic Clouds and show the clear improvements in precision and accuracy in the new release. We also show…
Gaia Early Data Release 3: The Galactic anticentre
Gaia Collaboration, T. Antoja, P. McMillan +417
We aim to demonstrate the scientific potential of the Gaia Early Data Release 3 (EDR3) for the study of the Milky Way structure and evolution. We used astrometric positions, proper…