Astronomy & Astrophysics

Volume 646 (February 2021)

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The Solar Orbiter mission

Letters to the Editor

Astrophysical processes

Cosmology (including clusters of galaxies)

Extragalactic astronomy

Galaxies within galaxies in the TIMER survey: stellar populations of inner bars are scaled replicas of main bars A42

Published online: 04 February 2021
Open Access

A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE) - IX. The effects of ram pressure stripping down to the scale of individual HII regions in the dwarf galaxy IC 3476 A139

Published online: 19 February 2021

Galactic structure, stellar clusters and populations

Interstellar and circumstellar matter

Stellar structure and evolution

The formation of ultra-massive carbon-oxygen core white dwarfs and their evolutionary and pulsational properties A30

Published online: 03 February 2021

Stellar atmospheres

The Sun and the Heliosphere

Planets and planetary systems

Celestial mechanics and astrometry

Atomic, molecular, and nuclear data

Astronomical instrumentation

Free Access

Fundamental physics with ESPRESSO: Towards an accurate wavelength calibration for a precision test of the fine-structure constant A144

Published online: 19 February 2021

Catalogs and data

Free Access

Lucky spectroscopy, an equivalent technique to lucky imaging - II. Spatially resolved intermediate-resolution blue-violet spectroscopy of 19 close massive binaries using the William Herschel Telescope A11

Published online: 29 January 2021
Free Access

Stellar chromospheric activity of 1674 FGK stars from the AMBRE-HARPS sample - I. A catalogue of homogeneous chromospheric activity A77

Published online: 10 February 2021

Numerical methods and codes