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  <author_name>fd_lover24sue</author_name>
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  <blog_title>ニワトリのたまご</blog_title>
  <blog_url>https://niwanoniwatori.hateblo.jp/</blog_url>
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    <anon>天文/宇宙</anon>
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  <description>A possible dividing line between massive planets and brown-dwarf companions Johannes Sahlmann, Damien Segransan, Didier Queloz, Stephane Udry 視線速度法で発見された褐色矮星候補の軌道長半径や軌道離心率を比較。でも、質量がvsiniで議論してるから、アストロメトリのフォローアップが必要だ。 http://arxiv.org/abs/1012.1319 Ultracool Dwarf Science from Widefield Multi-Epoch Su…</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2010-12-09 17:48:56</published>
  <title>astro-ph</title>
  <type>rich</type>
  <url>https://niwanoniwatori.hateblo.jp/entry/20101209/1291884536</url>
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