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Astronomy & Astrophysics

Volume 497 / No 2 (April II 2009)

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Astrophysical processes

Cosmology (including clusters of galaxies)

Extragalactic astronomy

Galactic structure, stellar clusters, and populations

Interstellar and circumstellar matter

Stellar structure and evolution

Stellar atmospheres

The Sun

Planets and planetary systems

Atomic, molecular, and nuclear data

Catalogs and data

Numerical methods and codes