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3C 186 (Quasar)


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3C 186
Quasar (クエーサー)


星座 (Constellation)
やまねこ座 (Lyn) (Lynx)

距離 (Distance)
80億光年 (8 billion light-years)

3C 186 is a quasar located 8 billion light years from the Earth in the constellation Lynx.

3C 186 (Quasar) : Picture

3C186 (Quasar)
3C186: A galaxy cluster with a central quasar located about 8 billion light years away
(C) NASA
This composite image contains a new, deep image from Chandra (blue) showing emission from gas surrounding the point-like quasar near the center of the galaxy cluster known as 3C 186. Optical data from the Gemini telescope (yellow) show the stars and galaxies in the field of view. Chandra X-ray spectra reveal that the temperature of the gas drops from 80 million degrees on the outskirts of the cluster down to 30 million in the core. This drop in temperature occurs because intense X-ray emission from the gas cools it. 3C 186 is the most distant such object observed, and could provide insight into the triggering of quasars and the growth of galaxy clusters.

3C186 (Quasar)
3C186 (Quasar)
(C) NASA
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3C 186 (Quasar) : Movie

A Tour of 3C 186: An Interview with Dr. Aneta Siemiginowska
A galaxy cluster containing a structure never previously seen so far from Earth has been observed by Chandra X-ray Observatory.
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