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Astronomy & Astrophysics

Volume 621 (January 2019)

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Gaia Data Release 2

Letters to the Editor

Astrophysical processes

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Micro-arcsecond structure of Sagittarius A revealed by high-sensitivity 86 GHz VLBI observations A119

Published online: 18 January 2019

Cosmology (including clusters of galaxies)

Extragalactic astronomy

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The MUSE-Wide Survey: A determination of the Lyman α emitter luminosity function at 3 < z < 6 A107

Published online: 17 January 2019

Galactic structure, stellar clusters and populations

Interstellar and circumstellar matter

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Magnetic field estimates from the X-ray synchrotron emitting rims of the 30 Dor C superbubble and the implications for the nature of 30 Dor C’s TeV emission A138

Published online: 18 January 2019

Stellar structure and evolution

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Accurate stellar parameters and distance to two evolved eclipsing binary systems, OGLE-BLG-ECL-123903 and OGLE-BLG-ECL-296596, towards the Galactic bulge A93

Published online: 15 January 2019

Stellar atmospheres

The Sun

Planets and planetary systems

Open Access

Extrasolar planets and brown dwarfs around AF-type stars - X. The SOPHIE sample: combining the SOPHIE and HARPS surveys to compute the close giant planet mass-period distribution around AF-type stars A87

Published online: 11 January 2019

Atomic, molecular, and nuclear data

Astronomical instrumentation

Catalogs and data

Numerical methods and codes