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The Andromeda Galaxy is a barred spiral galaxy and is the nearest major galaxy to the Milky Way. It was originally named the Andromeda Nebula and is cataloged as Messier 31, M31, and NGC 224. Andromeda has a D 25 isophotal diameter of about 46.56 kiloparsecs (152,000 light-years) [8] and is
The Andromeda Galaxy with M110 at upper left and M32 to the right of the core. The Andromeda Galaxy (M31) has satellite galaxies just like the Milky Way. Orbiting M31 are at least 13 dwarf galaxies: the brightest and largest is M110, which can be seen with a basic telescope. The second-brightest and closest one to M31 is M32. The other galaxies ...
It was considered to be the brightest variable star in M31. [ 9 ] [ 10 ] Two years later it was given the variable star designation AF Andromedae. [ 11 ] Between 1917 and 1953, five or six major eruptions were detected and two or three minor ones.
Messier 32 (also known as M32 and NGC 221) is a dwarf "early-type" galaxy about 2,490,000 light-years (760,000 pc) from the Solar System, appearing in the constellation Andromeda. M32 is a satellite galaxy of the Andromeda Galaxy (M31) and was discovered by Guillaume Le Gentil in 1749.
For example, Messier 1 is a supernova remnant, known as the Crab Nebula, and the great spiral Andromeda Galaxy is M31. Further inclusions followed; the first addition came from Nicolas Camille Flammarion in 1921, who added Messier 104 after finding Messier's side note in his 1781 edition exemplar of the catalogue.
Andromeda XXV: dSph [53] 2.401 0.736 [54] −9.0 [55] 15.3 [55] Local Group: Satellite of Andromeda: 3,560 ly 69 Andromeda XI: dSph [53] 2.41 0.74 [58] −7.3 [59] Local Group: Satellite of Andromeda: 70 Andromeda XX: dSph [53] 2.417 0.741 [53] −6.4 [55] 18.0 [55] Local Group: Satellite of Andromeda: 590 ly [55] 71 Andromeda XXIII: dSph [53 ...
It is located 130,000 light-years (40 kpc) [3] from the Andromeda Galaxy's galactic core, and is the brightest [3] (by absolute magnitude) globular cluster in the Local Group, with an absolute visual magnitude of −10.94 and the luminosity of 2 million Suns. [4] It has an apparent magnitude of 13.81 in V band.
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