Astronomy & Astrophysics

Volume 642 (October 2020)


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Gaia Data Release 2

The Solar Orbiter mission

Free Access

Understanding the origins of the heliosphere: integrating observations and measurements from Parker Solar Probe, Solar Orbiter, and other space- and ground-based observatories A4

Published online: 30 September 2020
DOI: https://doi.org/10.1051/0004-6361/202038245

The XXL Survey: third series

The XXL Survey - XLIII. The quasar radio loudness dichotomy exposed via radio luminosity functions obtained by combining results from COSMOS and XXL-S X-ray selected quasars A125

Published online: 13 October 2020
DOI: https://doi.org/10.1051/0004-6361/201936776

Letters to the Editor

Press Release
Free Access

Web of the giant: Spectroscopic confirmation of a large-scale structure around the z = 6.31 quasar SDSS J1030+0524 L1

Published online: 01 October 2020
DOI: https://doi.org/10.1051/0004-6361/202039045

Astrophysical processes

Cosmology (including clusters of galaxies)

Extragalactic astronomy

Galactic structure, stellar clusters and populations

Interstellar and circumstellar matter

Stellar structure and evolution

The post-common-envelope binary central star of the planetary nebula PN G283.7−05.1 - A possible post-red-giant-branch planetary nebula central star A108

Published online: 12 October 2020
DOI: https://doi.org/10.1051/0004-6361/202038778

Stellar atmospheres

Benchmark stars, benchmark spectrographs - Detailed spectroscopic comparison of ESPRESSO, PEPSI, and HARPS data for Gaia benchmark stars A182

Published online: 19 October 2020
DOI: https://doi.org/10.1051/0004-6361/202038793

The Sun and the Heliosphere

Planets and planetary systems

Atomic, molecular, and nuclear data

Astronomical instrumentation

Catalogs and data

Free Access

Survey of Gravitationally-lensed Objects in HSC Imaging (SuGOHI) - VI. Crowdsourced lens finding with Space Warps A148

Published online: 13 October 2020
DOI: https://doi.org/10.1051/0004-6361/202038067

Numerical methods and codes