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Astronomy & Astrophysics

Volume 550 (February 2013)

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Astrophysical processes

Cosmology (including clusters of galaxies)

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Planck intermediate results - II. Comparison of Sunyaev-Zeldovich measurements from Planck and from the Arcminute Microkelvin Imager for 11 galaxy clusters A128

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Planck intermediate results - VII. Statistical properties of infrared and radio extragalactic sources from the Planck Early Release Compact Source Catalogue at frequencies between 100 and 857 GHz A133


Extragalactic astronomy

Press Release
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Measurement of the extragalactic background light imprint on the spectra of the brightest blazars observed with H.E.S.S. A4


Galactic structure, stellar clusters and populations

Interstellar and circumstellar matter

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The VLT-FLAMES Tarantula Survey - IX. The interstellar medium seen through diffuse interstellar bands and neutral sodium A108


Stellar structure and evolution

Stellar atmospheres

The Sun

Planets and planetary systems

Celestial mechanics and astrometry

Atomic, molecular, and nuclear data

Astronomical instrumentation

Catalogs and data

Numerical methods and codes