Subaru Gallery
Subaru Gallery TOPInteracting Galaxies NGC 5366 & PGC 49574
October 2, 2024
Last updated: September 30, 2025
Last updated: September 30, 2025
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A wide variety of galaxy interactions exist in the Universe. NGC 5366, the face-on galaxy at the top of the image, and PGC 49574, the edge-on galaxy at the bottom, are a rare pair of interacting galaxies located in the constellation Virgo. In addition to the difference in galactic disk inclination, the two galaxies show contrasting colors. In NGC 5366, star-forming regions appear blue, while in PGC 49574, the dark dust lane of the galactic disk looks reddish. The gravitational interaction between these galaxies has created the widely extended tail-like structures.
(Credit: NAOJ; Image provided by Masayuki Tanaka)
【Distance from Earth】About 420 million light-years
【Instrument】Hyper Suprime-Cam (HSC)
A wide variety of galaxy interactions exist in the Universe. NGC 5366, the face-on galaxy at the top of the image, and PGC 49574, the edge-on galaxy at the bottom, are a rare pair of interacting galaxies located in the constellation Virgo. In addition to the difference in galactic disk inclination, the two galaxies show contrasting colors. In NGC 5366, star-forming regions appear blue, while in PGC 49574, the dark dust lane of the galactic disk looks reddish. The gravitational interaction between these galaxies has created the widely extended tail-like structures.
(Credit: NAOJ; Image provided by Masayuki Tanaka)
【Distance from Earth】About 420 million light-years
【Instrument】Hyper Suprime-Cam (HSC)
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