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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

DOI: https://doi.org/10.1051/0004-6361/202141603
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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

DOI: https://doi.org/10.1051/0004-6361/202040225
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SEEDisCS - II. Molecular gas in galaxy clusters and their large-scale structure: low gas fraction galaxies, the case of CL1301.7−1139 A69

DOI: https://doi.org/10.1051/0004-6361/202140941
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LLAMA: Stellar populations in the nuclei of ultra-hard X-ray-selected AGN and matched inactive galaxies A132

DOI: https://doi.org/10.1051/0004-6361/202140593

Galactic structure, stellar clusters and populations

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Using classical Cepheids to study the far side of the Milky Way disk - II. The spiral structure in the first and fourth Galactic quadrants A138

DOI: https://doi.org/10.1051/0004-6361/202039512

Interstellar and circumstellar matter

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The GRAVITY young stellar object survey - VI. Mapping the variable inner disk of HD 163296 at sub-au scales A97

DOI: https://doi.org/10.1051/0004-6361/202039600
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The first interferometric survey of massive YSOs in the K-band - Hot dust, ionised gas, and binarity at au scales A109

DOI: https://doi.org/10.1051/0004-6361/202141373

Stellar structure and evolution

Stellar atmospheres

The Sun and the Heliosphere

Planets and planetary systems

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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

DOI: https://doi.org/10.1051/0004-6361/202141351
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Comparison of space weathering spectral changes induced by solar wind and micrometeoroid impacts using ion- and femtosecond-laser-irradiated olivine and pyroxene A143

DOI: https://doi.org/10.1051/0004-6361/202140372

Celestial mechanics and astrometry

Atomic, molecular, and nuclear data

Astronomical instrumentation

Catalogs and data

Numerical methods and codes