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Astronomy & Astrophysics

Volume 449 / No 2 (April II 2006)

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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

Celestial mechanics and astrometry

Instruments, observational techniques, and data processing

Online catalogs and data