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Fossil remnants of reionization in the halo of the Milky Way
ASTROPHYSICAL JOURNAL LETTERS, no. 1 (2008): L41-L44
摘要
Our recently completed one billion particle Via Lactea II simulation of a Milky Way-sized dark matter halo resolves over 50,000 gravitationally bound clumps orbiting today within the virialized region of the main host. About 2300 of these subhalos have one or more "progenitors" with M > 10(6) M-circle dot at redshift z = 11, i.e., massive...更多
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