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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.
NGC 346 is a young [4] open cluster of stars with associated nebula located in the Small Magellanic Cloud (SMC) that appears in the southern constellation of Tucana.It was discovered August 1, 1826 by Scottish astronomer James Dunlop.
NGC 602c is a looser grouping 11 arc-minutes to the NE, which includes the WO star AB8. [9] NGC 602 includes many young O and B stars and young stellar objects, with few evolved stars. [10] Ionisation in the nebula is dominated by Sk 183, an extremely hot O3 main sequence star visible as the bright isolated star at the centre of the Hubble ...
The cluster is located at a distance of around 200,000 light-years (60 ... "The stellar population of the Small Magellanic cloud near NGC 121. I. The mean metallicity ...
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 ...
A similar five-day cepheid variable in the Small Magellanic cloud she found to be about one ten-thousandth as bright as our five-day Delta Cepheus. Using the inverse-square law, she calculated that the Small Magellanic cloud was 100 times as far away as Delta Cepheus, thus having discovered a way to calculate the distance to another galaxy.
At a distance of about 180,000 light years (55,000 parsecs), it is located within the Small Magellanic Cloud. [2] It has a mass of about 3.0 × 10 4 M ☉, and a luminosity of about 8.0 × 10 4 L ☉. [3] NGC 411 was imaged by the Hubble Space Telescope in 2013, showing an abundance of stars ranging from blue to red. [6]