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Unveiling the nature of IGR J16283-4838
X-rays binaries – X-rays individuals IGR J16283− 4838
2010/11/11
Context. One of the most striking discoveries of the INTEGRAL observatory is the existence of a previously unknown population of X-ray sources in the inner arms of the Galaxy. The investigations of th...
The nature of assembly bias - I. Clues from a LCDM cosmology
cosmology large-scale structure of Universe - cosmology theory -cosmology dark matter - galaxies
2010/11/11
We present a new proxy for the overdensity peak height for which the large-scale clustering of haloes of a given mass does not vary significantly with the assembly history.
On the Nature of the HII Regions in the Extended Ultraviolet Disc of NGC 4625
galaxies abundances galaxies structure galaxies ISM galaxies individual NGC 4625
2010/11/12
Using deep Subaru/FOCAS spectra of 34 Hii regions in both the inner and outer parts of the extended ultraviolet (XUV) disc galaxy NGC 4625 we have measured an abundance gradient out to almost 2.5 time...
ACCESS III: The Nature of Star Formation in the Shapley Supercluster
Star Formation the Shapley Supercluster
2011/1/10
We present a joint analysis of panoramic Spitzer/MIPS mid-infrared and GALEX ultraviolet imaging of the Shapley supercluster at z=0.048. Combining this with spectra of 814 supercluster members and 1.4...
The global dust SED: Tracing the nature and evolution of dust with DustEM
Galaxy Astrophysics (astro-ph.GA)
2011/1/4
The Planck and Herschel missions are currently measuring the farIR-mm emission of dust, which combined with existing IR data, will for the first time provide the full SED of the galactic ISM dust emis...