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Astronomy & Astrophysics

Volume 618 (October 2018)

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Gaia Data Release 2

Letters to the Editor

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Raman-scattered laser guide-star photons to monitor the scatter of astronomical telescope mirrors L7


Astrophysical processes

Cosmology (including clusters of galaxies)

Extragalactic astronomy

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The extended Planetary Nebula Spectrograph (ePN.S) early-type galaxy survey: The kinematic diversity of stellar halos and the relation between halo transition scale and stellar mass A94


Galactic structure, stellar clusters and populations

Interstellar and circumstellar matter

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Linking interstellar and cometary O2: a deep search for 16O18O in the solar-type protostar IRAS 16293–2422 A11


Stellar structure and evolution

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GRAVITY chromatic imaging of η Car’s core - Milliarcsecond resolution imaging of the wind-wind collision zone (Brγ, He I) A125


Stellar atmospheres

The Sun

Planets and planetary systems

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Radial velocity follow-up of GJ1132 with HARPS - A precise mass for planet b and the discovery of a second planet A142


Celestial mechanics and astrometry

Atomic, molecular, and nuclear data

Astronomical instrumentation

Catalogs and data

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Massive star population of the Virgo Cluster galaxy NGC4535 - Discovery of new massive variable candidates with the Hubble Space Telescope A185


Numerical methods and codes