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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

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

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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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

Celestial mechanics and astrometry

Atomic, molecular, and nuclear data

Astronomical instrumentation

Catalogs and data

Numerical methods and codes