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NGC 406 (Spiral Galaxy)


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NGC 406
Spiral Galaxy (渦巻銀河)
Gx Sc

別名 (Other names)
PGC 3980, ESO 51-18, IRAS 01057-7008

明るさ (Brightness)
12.3等級

星座 (Constellation)
きょしちょう座 (Tuc) (Tucana)


距離 (Distance)
6,500万光年 (65 million light-years)

NGC 406 is a spiral galaxy located 65 million light years from the Earth in the constellation Tucana.

NGC 406 (Spiral Galaxy) : Picture

NGC 406 (Spiral Galaxy)
NGC 406 (Spiral Galaxy)
(C) NASA/ESA/Hubble
The beautiful spiral galaxy NGC 406 was discovered in 1834 by John Herschel and is here imaged in great detail by the NASA/ESA Hubble Space Telescope.

Located some 65 million light-years away, in the southern constellation of Tucana, NGC 406 is about 60,000 light-years across, roughly half the diameter of our galaxy, the Milky Way. It is a spiral galaxy quite similar to the well known Whirlpool galaxy. In a moderate-sized amateur telescope NGC 406 would appear as a faint hazy blob, like thousands of others across the sky, and none of the spectacular fine detail in the Hubble picture could be made out.

In this image the galaxy exhibits spiral arms that are mainly populated by young, massive, bluish stars and crossed by dark dust lanes. As is typically observed in this kind of spiral galaxy, the yellowish central bulge, dominated by an older stellar population, is less prominent and almost totally embedded in the disk structure.

The deep image also shows a significant number of more distant galaxies in the background. Some of them are visible as reddish fuzzy spots through the bluish spiral arms of the foreground galaxy.

NGC 406 (Spiral Galaxy)
NGC 406 (Spiral Galaxy)
(C) NASA/ESA/Hubble
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