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The fractal spatial distribution of stars in open clusters and stellar associations
ISM structure open clusters and associations general stars formation
2010/11/11
The Interstellar Medium has a fractal structure, in the sense that gas and dust distribute in a hierarchical and self-similar manner. Stars in new-born cluster probably follow the same fractal pattern...
In Galactic studies a distinction is made between (open) star clusters and associations. For barely resolved objects at a distance of several Mpc this distinction is not trivial to make.
Chemical pattern across the young associations ONC and OB1b
Solar and Stellar Astrophysics (astro-ph.SR)
2010/12/28
Abundances of iron-peak and alpha-elements are poorly known in Orion, and the available measurements yield contradictory results. Aims. We measure accurate and homogeneous elemental abundances of the ...
An all-sky Atlas of Radio/X-ray Associations
atlases catalogs x-rays general quasars general x-rays stars radio continuum stars
2010/3/8
An all-sky comprehensive catalog of calculated radio and X-ray associations to optical objects is presented. Included are X-ray sources from XMM-Newton, Chandra and ROSAT catalogs, radio sources from ...
Photometric monitoring of binaries in open clusters and Associations:ngc6231
Photometric monitoring binaries in open clusters ngc6231
2009/6/17
Photometric monitoring of binaries in open clusters and Associations:ngc6231。
The primordial binary population in ob associations。