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IC 2545 (Interacting Galaxy)


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IC 2545
Interacting Galaxy (相互作用銀河)

別名 (Other names)
AM 1003-333


距離 (Distance)

4億5,000万光年 (450 million light-years)


星座 (Constellation)
ポンプ座 (Ant) (Antlia)

IC 2545 is an interacting galaxy located 450 million light years from the Earth in the constellation Antlia.

IC 2545 (Interacting Galaxy) : Picture

Hubble Interacting Galaxy IC 2545
Hubble Interacting Galaxy IC 2545
(C) NASA/ESA
IC 2545 is a beautiful, but deceptive object that appears to be a single S-shaped galaxy, but is actually a pair of merging galaxies. The two cores of the parent galaxies are still visible in the central region. Other telltale markers for the collision include two pronounced tidal arms of gas and stars flung out from the central region. The tidal arm curving upwards and clockwise in the image contains a number of blue star clusters. IC 2545 glows strongly in the infrared part of the spectrum - another sign that it is a pair of merging galaxies. It lies in the constellation of Antlia, some 450 million light-years away from Earth.

IC 2545
IC 2545
(C) NASA
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IC 2545 (Interacting Galaxy) : Movie

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