C. Siopis

Large granulation cells on the surface of the giant star π1 Gruis

J. Hron, F. Baron, F. Kerschbaum, 2017, Nature.

Gaia Data Release 1. Testing parallaxes with local Cepheids and RR Lyrae stars

L. Szabados, C. Barache, J. Narbonne, 2017, 1705.00688.

Gaia Data Release 1. Open cluster astrometry: performance, limitations, and future prospects

L. Szabados, C. Barache, J. Narbonne, 2017, 1703.01131.