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The Large Magellanic Cloud (LMC) is a dwarf galaxy and satellite galaxy of the Milky Way. [7] At a distance of around 50 kiloparsecs (163,000 light-years), [2] [8] [9] [10] the LMC is the second- or third-closest galaxy to the Milky Way, after the Sagittarius Dwarf Spheroidal (c. 16 kiloparsecs (52,000 light-years) away) and the possible dwarf irregular galaxy called the Canis Major Overdensity.
The Large Magellanic Cloud was the host galaxy to a supernova , the brightest observed in over four centuries. Measurements with the Hubble Space Telescope, announced in 2006, suggest the Magellanic Clouds may be moving too fast to be long term companions of the Milky Way . [ 34 ]
N119 (formally known as LHA 120-N 119) is a spiral-shaped H II region in the Large Magellanic Cloud. Its dimensions are large, at 131 x 175 pc (430 × 570 ly). [2] It contains several luminous stars including S Doradus, LH41-1042, and LMC195-1. Its peculiar S-shaped structure is difficult to explain with classical models.
The N 70 Nebula, in the Large Magellanic Cloud has a shell structure and is really a bubble in space. It is a "Super Bubble". Barnard's Loop: 300 ly (92 pc) [47] [48] H II region: Supernova over the last 4 million years probably carved cavities in gas clouds forming the semi circle shape of Barnard’s loop. Sh2-54: 252 ly (77 pc) [49] [50] H ...
Distance moduli are most commonly used when expressing the distance to other galaxies in the relatively nearby universe.For example, the Large Magellanic Cloud (LMC) is at a distance modulus of 18.5, [2] the Andromeda Galaxy's distance modulus is 24.4, [3] and the galaxy NGC 4548 in the Virgo Cluster has a DM of 31.0. [4]
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
Estimated volume of a dwarf galaxy like the Large Magellanic Cloud: 2.94 × 10 58: One cubic kiloparsec ~3.3 × 10 61: Volume of a galaxy like the Milky Way: 1 × 10 63: One cubic zettametre—approximate volume of whole Milky Way including Globes ~5 × 10 68: Volume of the Local Group: 6.7 × 10 71: Volume of the Gemini Void: 1 × 10 72: One ...
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 ...