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Astronomy & Astrophysics

Volume 652 (August 2021)

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Planck 2018 results

Gaia Early Data Release 3

The Early Data Release of eROSITA and Mikhail Pavlinsky ART-XC on the SRG mission

Letters to the Editor

Astrophysical processes

Cosmology (including clusters of galaxies)

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Iron in X-COP: Tracing enrichment in cluster outskirts with high accuracy abundance profiles (Corrigendum) C3


Extragalactic astronomy

Galactic structure, stellar clusters and populations

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The ρ Ophiuchi region revisited with Gaia EDR3 - Two young populations, new members, and old impostors A2

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CAPOS: The bulge Cluster APOgee Survey - II. The intriguing “Sequoia” globular cluster FSR 1758 A158


Interstellar and circumstellar matter

Stellar structure and evolution

Open Access

Revisiting the archetypical wind accretor Vela X-1 in depth - Case study of a well-known X-ray binary and the limits of our knowledge A95


Stellar atmospheres

The Sun and the Heliosphere

Planets and planetary systems

Press Release
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Populating the brown dwarf and stellar boundary: Five stars with transiting companions near the hydrogen-burning mass limit A127


Celestial mechanics and astrometry

Atomic, molecular, and nuclear data

Astronomical instrumentation

Catalogs and data

Numerical methods and codes