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Astronomy & Astrophysics

Volume 644 (December 2020)


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Letters to the Editor

Astrophysical processes

Cosmology (including clusters of galaxies)

Open Access

Exploiting NIKA2/XMM-Newton imaging synergy for intermediate-mass high-z galaxy clusters within the NIKA2 SZ large program - Observations of ACT-CL J0215.4+0030 at z ∼ 0.9 A93

DOI: https://doi.org/10.1051/0004-6361/202038933

Extragalactic astronomy

Galactic structure, stellar clusters and populations

Interstellar and circumstellar matter

Open Access

A statistical analysis of dust polarization properties in ALMA observations of Class 0 protostellar cores A11

DOI: https://doi.org/10.1051/0004-6361/202038404
Open Access

An observational correlation between magnetic field, angular momentum and fragmentation in the envelopes of Class 0 protostars? A47

DOI: https://doi.org/10.1051/0004-6361/202038854
Free Access

ALMA chemical survey of disk-outflow sources in Taurus (ALMA-DOT) - III. The interplay between gas and dust in the protoplanetary disk of DG Tau A119

DOI: https://doi.org/10.1051/0004-6361/202038600
Free Access

ALMA chemical survey of disk-outflow sources in Taurus (ALMA-DOT) - IV. Thioformaldehyde (H2CS) in protoplanetary discs: spatial distributions and binding energies A120

DOI: https://doi.org/10.1051/0004-6361/202039309

Stellar structure and evolution

Free Access

ATOMIUM: A high-resolution view on the highly asymmetric wind of the AGB star π1Gruis - I. First detection of a new companion and its effect on the inner wind A61

DOI: https://doi.org/10.1051/0004-6361/202039185

Stellar atmospheres

The Sun and the Heliosphere

Planets and planetary systems

Press Release
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MIRACLES: atmospheric characterization of directly imaged planets and substellar companions at 4–5 μm - II. Constraints on the mass and radius of the enshrouded planet PDS 70 b A13

DOI: https://doi.org/10.1051/0004-6361/202038878

Celestial mechanics and astrometry

Atomic, molecular, and nuclear data

Open Access

Reinvestigation of the rotation-tunneling spectrum of the CH2OH radical - Accurate frequency determination of transitions of astrophysical interest up to 330 GHz A123

DOI: https://doi.org/10.1051/0004-6361/202039071

Astronomical instrumentation

Catalogs and data

Numerical methods and codes