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Stephenson 2 DFK 1, also known as RSGC2-01 [a] or St2-18, is a red supergiant (RSG) or possible extreme red hypergiant [2] (RHG) star in the constellation of Scutum.It lies near the open cluster Stephenson 2, which is located about 5.8 kiloparsecs (19,000 light-years) away from Earth in the Scutum–Centaurus Arm of the Milky Way galaxy, and is assumed to be one of a group of stars at a ...
A zoomed-in picture of the evolved red supergiant star Stephenson 2-18, picture processed through 2MASS survey Indonesian Gambar yang diperbesar dari evolusi bintang super raksasa merah Stephenson 2-18, gambar diproses melalui survei 2MASS
Stephenson 2, also known as RSGC2 (Red Supergiant Cluster 2), is a young massive open cluster belonging to the Milky Way galaxy. It was discovered in 1990 as a cluster of red supergiants in a photographic, deep infrared survey by the astronomer Charles Bruce Stephenson , after whom the cluster is named.
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Stephenson 2 DFK 49 or St2-11 is a putative post red supergiant [3] star in the constellation Scutum, in the massive open cluster Stephenson 2.It is possibly one of the largest known stars with a radius estimated to be between 1,074 solar radii (747,000,000 kilometres; 4.99 astronomical units) [2] to 1,300 solar radii (900,000,000 kilometres; 6.0 astronomical units), [3].
K2-18, also known as EPIC 201912552, is a red dwarf star with two planetary companions located 124 light-years (38 parsecs) [4] from Earth, in the constellation of Leo. Its name is because it was discovered by the K2 Mission , which extended the mission of the Kepler Space Telescope after failure of two of its reaction wheels.
Two years after being extradited to Missouri from California and arrested for the 1998 killing of Randall Oliphant in Kansas City, Stephenson last week took a deal in Benton County.
Delta Lyrae cluster or Stephenson 1 [6] is a sparse open cluster of stars located about 1,220 [2] light years away in the northern constellation of Lyra. Centered on the bright star Delta 2 Lyrae for which it is named [ 3 ] but not a member like Delta 1 Lyrae is with 70% certainty.