GALAXY CLUSTER BARYON FRACTIONS REVISITED
نویسندگان
چکیده
منابع مشابه
Constraints on the asymptotic baryon fractions of galaxy clusters at large radii
While X-ray measurements have so far revealed an increase in the volume-averaged baryon fractions fb(r) of galaxy clusters with cluster radii r, fb(r) should asymptotically reach a universal value fb(∞) = fb, provided that clusters are representative of the Universe. In the framework of hydrostatic equilibrium for intracluster gas, we have derived the necessary conditions for fb(∞) = fb: The X-...
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ژورنال
عنوان ژورنال: The Astrophysical Journal
سال: 2013
ISSN: 0004-637X,1538-4357
DOI: 10.1088/0004-637x/778/1/14