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Astronomy & Astrophysics

Volume 498 / No 1 (April IV 2009)


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Letters

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

Astronomical instrumentation