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Astronomy & Astrophysics

Volume 651 (July 2021)


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Letters to the Editor

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First detection of a disk free of volatile elements around a young A-type star: A possible sign of collisions between rocky planets L11

DOI: https://doi.org/10.1051/0004-6361/202141070

Stellar structure and evolution


The Sun and the Heliosphere

Parker Solar Probe: Ushering a new frontier in space exploration
Free Access

Energetic particle evolution during coronal mass ejection passage from 0.3 to 1 AU A2

DOI: https://doi.org/10.1051/0004-6361/202039933

Planets and planetary systems


Interstellar and circumstellar matter


Astronomical instrumentation


The Sun and the Heliosphere


Planets and planetary systems


Interstellar and circumstellar matter


Stellar atmospheres


Planets and planetary systems


Astrophysical processes


Extragalactic astronomy


Stellar structure and evolution


Cosmology (including clusters of galaxies)


Extragalactic astronomy


Stellar atmospheres


The Sun and the Heliosphere


Planets and planetary systems


Numerical methods and codes


Planets and planetary systems


Astrophysical processes


Stellar structure and evolution


Planets and planetary systems


Interstellar and circumstellar matter


The Sun and the Heliosphere


Planets and planetary systems


Interstellar and circumstellar matter


Stellar atmospheres


Planets and planetary systems


Extragalactic astronomy

Free Access

VEGAS: A VST Early-type GAlaxy Survey - VI. Diffuse light in HCG 86 as seen from the ultra-deep VEGAS images A39

DOI: https://doi.org/10.1051/0004-6361/202039921

Stellar structure and evolution


Cosmology (including clusters of galaxies)


Extragalactic astronomy


Interstellar and circumstellar matter


Planets and planetary systems


Numerical methods and codes


Galactic structure, stellar clusters and populations

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Variable stars in the VVV globular clusters - II. NGC 6441, NGC 6569, NGC 6626 (M 28), NGC 6656 (M 22), 2MASS-GC 02, and Terzan 10 A47

DOI: https://doi.org/10.1051/0004-6361/202140546

Interstellar and circumstellar matter


Celestial mechanics and astrometry


Planets and planetary systems


Atomic, molecular, and nuclear data


Extragalactic astronomy


Interstellar and circumstellar matter


Extragalactic astronomy


Numerical methods and codes


Cosmology (including clusters of galaxies)


Galactic structure, stellar clusters and populations


Extragalactic astronomy


Interstellar and circumstellar matter


The Sun and the Heliosphere


Planets and planetary systems


Numerical methods and codes


Extragalactic astronomy


Numerical methods and codes


Astrophysical processes


The Sun and the Heliosphere


Planets and planetary systems


Catalogs and data


Planets and planetary systems


Extragalactic astronomy


Stellar structure and evolution


Cosmology (including clusters of galaxies)


Extragalactic astronomy


Galactic structure, stellar clusters and populations


Cosmology (including clusters of galaxies)


Stellar structure and evolution

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ATOMIUM: The astounding complexity of the near circumstellar environment of the M-type AGB star R Hydrae - I. Morpho-kinematical interpretation of CO and SiO emission A82

DOI: https://doi.org/10.1051/0004-6361/202140512

Extragalactic astronomy


Galactic structure, stellar clusters and populations


Catalogs and data


Interstellar and circumstellar matter

Open Access

A global view on star formation: The GLOSTAR Galactic plane survey - II. Supernova remnants in the first quadrant of the Milky Way A86

DOI: https://doi.org/10.1051/0004-6361/202039873
Open Access

A global view on star formation: the GLOSTAR Galactic plane survey - III. 6.7 GHz methanol maser survey in Cygnus X A87

DOI: https://doi.org/10.1051/0004-6361/202140817

Galactic structure, stellar clusters and populations


Planets and planetary systems


Extragalactic astronomy


Interstellar and circumstellar matter


Planets and planetary systems


Interstellar and circumstellar matter


Stellar structure and evolution

Free Access

Constraining the overcontact phase in massive binary evolution - I. Mixing in V382 Cyg, VFTS 352, and OGLE SMC-SC10 108086 A96

DOI: https://doi.org/10.1051/0004-6361/202040195

Astronomical instrumentation


Extragalactic astronomy

Free Access

Self-consistent population spectral synthesis with FADO - II. Star formation history of galaxies in spectral synthesis methods A99

DOI: https://doi.org/10.1051/0004-6361/202039792

Stellar structure and evolution


Galactic structure, stellar clusters and populations


Planets and planetary systems


Galactic structure, stellar clusters and populations


Stellar atmospheres

Open Access

Simultaneous photometric and CARMENES spectroscopic monitoring of fast-rotating M dwarf GJ 3270 - Discovery of a post-flare corotating feature A105

DOI: https://doi.org/10.1051/0004-6361/202040159

Stellar structure and evolution


Extragalactic astronomy


Catalogs and data


Cosmology (including clusters of galaxies)


Planets and planetary systems


Interstellar and circumstellar matter


The Sun and the Heliosphere


Stellar structure and evolution


Cosmology (including clusters of galaxies)


Interstellar and circumstellar matter


Extragalactic astronomy


The Sun and the Heliosphere


Stellar structure and evolution


Atomic, molecular, and nuclear data


Stellar structure and evolution

Free Access

Asteroseismic analysis of variable hot subdwarf stars observed with TESS - I. The mean g-mode period spacings in hot subdwarf B stars A121

DOI: https://doi.org/10.1051/0004-6361/202140961

Interstellar and circumstellar matter


Planets and planetary systems