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4C+29.30 (Black Hole)


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4C+29.30
Black Hole (ブラックホール)


星座 (Constellation)
かに座 (Cnc) (Cancer)

距離 (Distance)
8億5,000万光年 (850 million light-years)

米航空宇宙局(NASA)は、地球から8億5,000万光年離れた銀河「4C+29.30」の画像を公開。
複数の波長の放射線を合成した画像で、超大質量ブラックホールの強力な重力が、いかに巨大なエネルギーを生み出すかを示している。

画像の青い部分はNASAのチャンドラX線観測衛星(Chandra X-ray Observatory)が観測したX線、金色はハッブル宇宙望遠鏡(Hubble Space Telescope)が捉えた可視光線。
ピンクは全米科学財団(National Science Foundation、NSF)の超大型干渉電波望遠鏡群(Very Large Array、VLA)が観測した電波。

この電波放射は、銀河の中心部にあるブラックホールから2方向に高速で吹き出る粒子から放たれている。
このブラックホールの推定質量は、太陽の約1億倍。
噴出する粒子の端部分には、銀河の外に位置する広大な電波放射の領域が確認できる。 (C) AFP

4C+29.30 is a black hole located 850 million light years from the Earth in the constellation Cancer.

4C+29.30 (Black Hole) : Picture

Black Hole-Powered Jets Plow Into Galaxy 4C+29.30
Black Hole-Powered Jets Plow Into Galaxy 4C+29.30
(C) NASA
This composite image of a galaxy illustrates how the intense gravity of a supermassive black hole can be tapped to generate immense power. The image contains X-ray data from NASA's Chandra X-ray Observatory (blue), optical light obtained with the Hubble Space Telescope (gold) and radio waves from the NSF's Very Large Array (pink).

This multi-wavelength view shows 4C+29.30, a galaxy located some 850 million light years from Earth. The radio emission comes from two jets of particles that are speeding at millions of miles per hour away from a supermassive black hole at the center of the galaxy. The estimated mass of the black hole is about 100 million times the mass of our Sun. The ends of the jets show larger areas of radio emission located outside the galaxy.

The X-ray data show a different aspect of this galaxy, tracing the location of hot gas. The bright X-rays in the center of the image mark a pool of million-degree gas around the black hole. Some of this material may eventually be consumed by the black hole, and the magnetized, whirlpool of gas near the black hole could in turn, trigger more output to the radio jet.

Most of the low-energy X-rays from the vicinity of the black hole are absorbed by dust and gas, probably in the shape of a giant doughnut around the black hole. This doughnut, or torus blocks all the optical light produced near the black hole, so astronomers refer to this type of source as a hidden or buried black hole. The optical light seen in the image is from the stars in the galaxy.

4C+29.30
4C+29.30
(C) NASA
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4C+29.30 (Black Hole) : Movie

4C+29.30 in 60 Seconds
Astronomers think that just about every galaxy contains a giant, or supermassive, black hole at their center.
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