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Astronomy & Astrophysics

Volume 645 (January 2021)


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Letters to the Editor

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A relation between the radial velocity dispersion of young clusters and their age - Evidence for hardening as the formation scenario of massive close binaries L10

DOI: https://doi.org/10.1051/0004-6361/202039673

Astrophysical processes

Cosmology (including clusters of galaxies)

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A new high-precision strong lensing model of the galaxy cluster MACS J0416.1−2403 - Robust characterization of the cluster mass distribution from VLT/MUSE deep observations A140

DOI: https://doi.org/10.1051/0004-6361/202039564

Extragalactic astronomy

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Multiphase feedback processes in the Sy2 galaxy NGC 5643 A21

DOI: https://doi.org/10.1051/0004-6361/202038256
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A proto-pseudobulge in ESO 320-G030 fed by a massive molecular inflow driven by a nuclear bar A49

DOI: https://doi.org/10.1051/0004-6361/202039047
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The properties of dwarf spheroidal galaxies in the Cen A group - Stellar populations, internal dynamics, and a heart-shaped Hα ring A92

DOI: https://doi.org/10.1051/0004-6361/202039359

Galactic structure, stellar clusters and populations

Interstellar and circumstellar matter

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C18O, 13CO, and 12CO abundances and excitation temperatures in the Orion B molecular cloud - Analysis of the achievable precision in modeling spectral lines within the approximation of the local thermodynamic equilibrium A26

DOI: https://doi.org/10.1051/0004-6361/202037776
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Quantitative inference of the H2 column densities from 3 mm molecular emission: case study towards Orion B A27

DOI: https://doi.org/10.1051/0004-6361/202037871
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Tracers of the ionization fraction in dense and translucent gas - I. Automated exploitation of massive astrochemical model grids A28

DOI: https://doi.org/10.1051/0004-6361/202038040
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The ALMA-PILS survey: first detection of the unsaturated 3-carbon molecules Propenal (C2H3CHO) and Propylene (C3H6) towards IRAS 16293–2422 B A53

DOI: https://doi.org/10.1051/0004-6361/202038113
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Physical properties of the ambient medium and of dense cores in the Perseus star-forming region derived from Herschel Gould Belt Survey observations A55

DOI: https://doi.org/10.1051/0004-6361/201936534
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ALMA chemical survey of disk-outflow sources in Taurus (ALMA-DOT) - V. Sample, overview, and demography of disk molecular emission A145

DOI: https://doi.org/10.1051/0004-6361/202039483

Stellar structure and evolution

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Search for associations containing young stars (SACY) - VIII. An updated census of spectroscopic binary systems exhibiting hints of non-universal multiplicity among their associations A30

DOI: https://doi.org/10.1051/0004-6361/202037830
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The search for extratidal star candidates around Galactic globular clusters NGC 2808, NGC 6266, and NGC 6397 with Gaia DR2 astrometry A116

DOI: https://doi.org/10.1051/0004-6361/202038720
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Pulsating hydrogen-deficient white dwarfs and pre-white dwarfs observed with TESS - I. Asteroseismology of the GW Vir stars RX J2117+3412, HS 2324+3944, NGC 6905, NGC 1501, NGC 2371, and K 1−16 A117

DOI: https://doi.org/10.1051/0004-6361/202039202

Stellar atmospheres

The Sun and the Heliosphere

Planets and planetary systems

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A planetary system with two transiting mini-Neptunes near the radius valley transition around the bright M dwarf TOI-776 A41

DOI: https://doi.org/10.1051/0004-6361/202039455
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The search for radio emission from the exoplanetary systems 55 Cancri, υ Andromedae, and τ Boötis using LOFAR beam-formed observations A59

DOI: https://doi.org/10.1051/0004-6361/201937201

Celestial mechanics and astrometry

Atomic, molecular, and nuclear data

Astronomical instrumentation

Catalogs and data

Numerical methods and codes

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Unveiling the rarest morphologies of the LOFAR Two-metre Sky Survey radio source population with self-organised maps A89

DOI: https://doi.org/10.1051/0004-6361/202038500