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NGC 6537 (Red Spider Nebula)


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NGC 6537
Red Spider Nebula (赤ぐも星雲)
Planetary Nebula (惑星状星雲)
Nb PN


別名 (Other names)
PK 10+0.1, ESO 590-PN1

明るさ (Brightness)
11.6等級

星座 (Constellation)
いて座 (Sgr) (Sagittarius)


距離 (Distance)
4,000光年 (4,000 light-years)

Red Spider Nebula (NGC 6537) is a planetary nebula located 4,000 light years from the Earth in the constellation Sagittarius.

NGC 6537 (Red Spider Nebula) : Picture

Red Spider Planetary Nebula
The Red Spider Planetary Nebula
(C) Carlos Milovic, Hubble Legacy Archive, NASA
Oh what a tangled web a planetary nebula can weave. The Red Spider Planetary Nebula shows the complex structure that can result when a normal star ejects its outer gases and becomes a white dwarf star. Officially tagged NGC 6537, this two-lobed symmetric planetary nebula houses one of the hottest white dwarfs ever observed, probably as part of a binary star system. Internal winds emanating from the central stars, visible in the center, have been measured in excess of 1,000 kilometers per second. These winds expand the nebula, flow along the nebula's walls, and cause waves of hot gas and dust to collide. Atoms caught in these colliding shocks radiate light shown in the above representative-color picture by the Hubble Space Telescope. The Red Spider Nebula lies toward the constellation of Sagittarius. Its distance is not well known but has been estimated by some to be about 4,000 light-years.

NGC6537
NGC 6537
(C) NASA

NGC6537
NGC 6537
(C) NASA

Red Spider Planetary Nebula
The Red Spider Planetary Nebula
(C) Carlos Milovic, Hubble Legacy Archive, NASA
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