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Astronomy & Astrophysics

Volume 657 (January 2022)


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Letters to the Editor

Astrophysical processes

Cosmology (including clusters of galaxies)

Extragalactic astronomy

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Transient obscuration event captured in NGC 3227 - II. Warm absorbers and obscuration events in archival XMM-Newton and NuSTAR observations A77

DOI: https://doi.org/10.1051/0004-6361/202141599
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The Fornax Cluster VLT Spectroscopic Survey - III. Kinematical characterisation of globular clusters in the Fornax galaxy cluster A93

DOI: https://doi.org/10.1051/0004-6361/202141334
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The Great Slump: Mrk 926 reveals discrete and varying Balmer line satellite components during a drastic phase of decline A122

DOI: https://doi.org/10.1051/0004-6361/202142007

Galactic structure, stellar clusters and populations

Press Release
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Single-lens mass measurement in the high-magnification microlensing event Gaia19bld located in the Galactic disc A18

DOI: https://doi.org/10.1051/0004-6361/202039542

Interstellar and circumstellar matter

Open Access

Ultraviolet and vacuum ultraviolet photo-processing of protonated benzonitrile (C6H5CNH+) - A plausible pathway to larger interstellar aromatics A85

DOI: https://doi.org/10.1051/0004-6361/202142206
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Millimetre-wave laboratory study of glycinamide and a search for it with ALMA towards Sagittarius B2(N) A99

DOI: https://doi.org/10.1051/0004-6361/202142350

Stellar structure and evolution

Stellar atmospheres

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The CARMENES search for exoplanets around M dwarfs - Diagnostic capabilities of strong K I lines for photosphere and chromosphere A125

DOI: https://doi.org/10.1051/0004-6361/202141733

The Sun and the Heliosphere

Planets and planetary systems

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Unveiling wide-orbit companions to K-type stars in Sco-Cen with Gaia EDR3 A53

DOI: https://doi.org/10.1051/0004-6361/202039917
Press Release
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The HD 137496 system: A dense, hot super-Mercury and a cold Jupiter A68

DOI: https://doi.org/10.1051/0004-6361/202141520
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CORALIE radial-velocity search for companions around evolved stars (CASCADES) - I. Sample definition and first results: Three new planets orbiting giant stars A87

DOI: https://doi.org/10.1051/0004-6361/202040078
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CORALIE radial-velocity search for companions around evolved stars (CASCADES) - III. A new Jupiter host-star: in-depth analysis of HD 29399 using TESS data A89

DOI: https://doi.org/10.1051/0004-6361/202040080

Celestial mechanics and astrometry

Atomic, molecular, and nuclear data

Astronomical instrumentation

Catalogs and data

Numerical methods and codes