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Arp 217 (NGC 3310) (Spiral Galaxy)


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Arp 217 (NGC 3310)
Spiral Galaxy (渦巻銀河)
Gx SBbc/P


別名 (Other names)
PGC 31650, UGC 5786, VV 356, VV 406, IRAS 10356+5345

明るさ (Brightness)
10.6等級

星座 (Constellation)
おおぐま座 (UMa) (Ursa Major)

距離 (Distance)
5,900万光年 (59 million light-years)

Arp 217 (NGC 3310) is a spiral galaxy located 59 million light years from the Earth in the constellation Ursa Major.

Arp 217 (NGC 3310) : Picture

Arp 217 (NGC 3310)
Arp 217 (NGC 3310)
(C) NASA/ESA and The Hubble Heritage Team STScI/AURA)
Most galaxies form new stars at a fairly slow rate, but members of a rare class known as 'starburst' galaxies blaze with extremely active star formation. The galaxy NGC 3310 is one such starburst galaxy that is forming clusters of new stars at a prodigious rate. Scientists using the NASA/ESA Hubble Space Telescope are perfecting a technique to determine the history of starburst activity in NGC 3310 by studying the colours of its star clusters.

Arp 217 (NGC 3310)
Arp 217 (NGC 3310)
(C) Jay and Bernie Slotnick/Adam Block/NOAO/AURA/NSF
This starburst spiral galaxy is located about 59 million lightyears away in the constellation Ursa Major. NGC 3310 likely collided with a neighboring galaxy 100 million years ago, which triggered large outbursts of star formation, seen as bright blue patches in the spiral arms. While starbursts were once thought to be brief intervals in the history of a galaxy, NGC 3310 showed astronomers that outbursts of star formation could continue for extended periods of time.

NGC 3310, ESO 418-008, UGC 06471
NGC 3310, ESO 418-008, UGC 06471, UGC 06472
(C) NASA, Rogier Windhorst (Arizona State University, Tempe, AZ), and the Hubble mid-UV team

Arp 217 (NGC 3310)
Arp 217 (NGC 3310)
(C) NASA/ESA
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