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The Small Magellanic Cloud (SMC) is a dwarf galaxy near the Milky Way. [5] Classified as a dwarf irregular galaxy , the SMC has a D 25 isophotal diameter of about 5.78 kiloparsecs (18,900 light-years), [ 1 ] [ 3 ] and contains several hundred million stars. [ 5 ]
The Large Magellanic Cloud and its neighbour and relative, the Small Magellanic Cloud, are conspicuous objects in the southern hemisphere, looking like separated pieces of the Milky Way to the naked eye. Roughly 21° apart in the night sky, the true distance between them is roughly 75,000 light-years.
This makes it feasible to use them as indicators of distance. Recently, they have been used to give direct distance estimates to the Large Magellanic Cloud (LMC), Small Magellanic Cloud (SMC), Andromeda Galaxy and Triangulum Galaxy. Eclipsing binaries offer a direct method to gauge the distance to galaxies to a new improved 5% level of accuracy ...
NGC 330 is an open cluster in the Small Magellanic Cloud.It is located in the constellation Tucana.It was discovered on 1 August 1826 by James Dunlop.It was described by Dreyer as "a globular cluster, very bright, small, a little extended, stars from 13th to 15th magnitude."
1.7 Zm – 179,000 light-years – distance to the Large Magellanic Cloud, largest satellite galaxy of the Milky Way <1.9 Zm – <200,000 light-years – revised estimated diameter of the disc of the Milky Way Galaxy. The size was previously thought to be half of this. 2.0 Zm – 210,000 light-years – distance to the Small Magellanic Cloud
Magellanic Stream: 600,000 ly (180,000 pc) [17] complex of HVCs: Connects the Large and Small Magellanic clouds; extends across 180° of the sky. filament near TXS 0206-048: 391,000 ly (120,000 pc) [18] [O II] nebula Longest cool filament near a quasar as of 2022. Quasar is located at z=1.13.
NGC 265 is an open cluster of stars in the southern constellation of Tucana.It is located in the Small Magellanic Cloud, [4] a nearby dwarf galaxy.The cluster was discovered by English astronomer John Herschel on April 11, 1834.
Large Magellanic Cloud: antiquity–1994: 0.163 Mly This is the upper bound, as it is the nearest galaxy observable with the naked eye. [citation needed] Small Magellanic Cloud: 1913–1914: 0.197 Mly This was the first intergalactic distance measured. In 1913, Ejnar Hertzsprung measures the distance to SMC using Cepheid variables. In 1914, he ...