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NGC 17 (Interacting Galaxy)


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NGC 17
Interacting Galaxy (相互作用銀河)

別名 (Other names)
NGC 34, PGC 781, MCG -2-1-32


明るさ (Brightness)
14.4等級


星座 (Constellation)
くじら座 (Cet) (Cetus)

距離 (Distance)
2億5,000万光年 (250 million light-years)

NGC 17は、くじら座の方角にある渦巻銀河。
NGC 17は、2つの円盤銀河が合体してできたもので、中央領域では最近スターバーストが発生し、活発な星形成が続いている。この銀河はガスが多く、銀河核は1つ。地球からは2億5,000万光年離れている。

NGC 17 is an interacting galaxy located 250 million light years from the Earth in the constellation Cetus.

NGC 17 (Interacting Galaxy) : Picture

Hubble Interacting Galaxy NGC 17
Hubble Interacting Galaxy NGC 17
(C) NASA/ESA
This galaxy features a single nucleus, containing a blue central disk with delicate fine structure in the outer parts, and tidal tails indicative of two former disk galaxies. At present these galaxies appear to have completed their merger. The remnant shows clear signs that the merger was gas-rich and accompanied by a starburst. NGC 17 is gas-rich and can sustain its strong central starburst and present mild central activity for some time to come. NGC 17 is located about 250 million light-years away in the constellation of Cetus, the Whale.

NGC 17
NGC 17
(C) NASA
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NGC 17 (Interacting Galaxy) : Movie

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「ウィキペディア(wikipedia):フリー百科事典」より文章引用。

NGC 17. (2011, August 6). In Wikipedia.

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