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・ NGC 6751
・ NGC 6752
・ NGC 6755
・ NGC 6756
・ NGC 6760
・ NGC 6781
・ NGC 5838
・ NGC 584
・ NGC 5866
・ NGC 5866 Group
・ NGC 5879
・ NGC 5882
・ NGC 5886
・ NGC 5890
・ NGC 59
NGC 5907
・ NGC 5921
・ NGC 5925
・ NGC 5929
・ NGC 5930
・ NGC 595
・ NGC 5962
・ NGC 5964
・ NGC 5970
・ NGC 5985
・ NGC 5986
・ NGC 5999
・ NGC 60
・ NGC 6000
・ NGC 6005


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NGC 5907 : ウィキペディア英語版
NGC 5907

NGC 5907 is a spiral galaxy located approximately 50 million light years from Earth.〔 It has an anomalously low metallicity and few detectable giant stars, being apparently composed almost entirely of dwarf stars. It is a member of the NGC 5866 Group.
NGC 5907 has long been considered a prototypical example of a warped spiral in relative isolation. Then in 2006, an international team of astronomers announced the presence of an extended tidal stream surrounding the galaxy that challenges this picture and suggests the gravitational perturbations induced by the stream progenitor may be the cause for the warp.
NGC 5907 is also known as the Knife Edge or Splinter galaxy.
The galaxy was discovered in 1788 by William Herschel. Supernova 1940A was in this galaxy.〔(【引用サイトリンク】publisher=Harvard-Smithsonian Center for Astrophysics (IAU) )
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「NGC 5907」の詳細全文を読む



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