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Astronomy & Astrophysics

Volume 654 (October 2021)

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The Solar Orbiter mission

Letters to the Editor

Astrophysical processes

Cosmology (including clusters of galaxies)

Extragalactic astronomy

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Introducing the LBT Imaging of Galactic Halos and Tidal Structures (LIGHTS) survey - A preview of the low surface brightness Universe to be unveiled by LSST A40

Open Access

The MUSE Hubble Ultra Deep Field Survey - XVI. The angular momentum of low-mass star-forming galaxies: A cautionary tale and insights from TNG50 A49


Galactic structure, stellar clusters and populations

Interstellar and circumstellar matter

Stellar structure and evolution

Stellar atmospheres

The Sun and the Heliosphere

Planets and planetary systems

Free Access

The HARPS search for southern extra-solar planets - XLVI. 12 super-Earths around the solar type stars HD 39194, HD 93385, HD 96700, HD 154088, and HD 189567 A104

Open Access

Comparison of space weathering spectral changes induced by solar wind and micrometeoroid impacts using ion- and femtosecond-laser-irradiated olivine and pyroxene A143


Celestial mechanics and astrometry

Atomic, molecular, and nuclear data

Astronomical instrumentation

Catalogs and data

Numerical methods and codes