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  • 标题:Clustering of far-infrared galaxies in the AKARI All-Sky Survey North
  • 本地全文:下载
  • 作者:A. Pollo ; T. T. Takeuchi ; A. Solarz
  • 期刊名称:Earth, Planets and Space
  • 电子版ISSN:1880-5981
  • 出版年度:2013
  • 卷号:65
  • 期号:10
  • 页码:1109-1116
  • DOI:10.5047/eps.2013.06.004
  • 出版社:Springer Verlag
  • 摘要:We present the measurements of the angular two-point correlation function for AKARI 90-μm point sources, detected outside the Milky Way plane and other regions characterized by high Galactic extinction in the northern Galactic hemisphere, and categorized as extragalactic sources according to our far-infrared-color based criterion.Together with our previous work (Pollo et al., 2013) this is the first measurement of the large-scale angular clustering of galaxies selected in the far-infrared after IRAS.We present the first attempt to estimate the spatial clustering properties of AKARI All-Sky galaxies and we conclude that they are mostly a very nearby ( z ≤ 0.1) population of moderately clustered galaxies.We measure their correlation length r 0 ~ 4.5 h −1 Mpc, which is consistent with the assumption that the FIS AKARI All-Sky surveys observes mostly a nearby star-forming population of galaxies. Key words Galaxies clustering large-scale structure dust infrared cosmology.
  • 关键词:Galaxies ;clustering ;large-scale structure ;dust ;infrared ;cosmology
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