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Astronomy & Astrophysics

Volume 536 (December 2011)


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

Published online: 01 December 2011
DOI: http://dx.doi.org/10.1051/0004-6361/201117430

Letters


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

Published online: 08 December 2011
DOI: http://dx.doi.org/10.1051/0004-6361/201116617

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