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Astronomy & Astrophysics

Volume 536 (December 2011)

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Planck early results

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Planck early results. XXVI. Detection with Planck and confirmation by XMM-Newton of PLCK G266.6–27.3, an exceptionally X-ray luminous and massive galaxy cluster at z ~ 1 A26



Astrophysical processes

Cosmology (including clusters of galaxies)

Extragalactic astronomy

Galactic structure, stellar clusters and populations

Interstellar and circumstellar matter

Stellar structure and evolution

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Spectroscopy of very low mass stars and brown dwarfs in the Lambda Orionis star forming region - I. Enlarging the census down to the planetary mass domain in Collinder 69 A63


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