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HD 63433 is a G-type main sequence star with a radius of 0.912 R ☉, a mass of 0.99 M ☉, an effective temperature of 5640 K and a spectral type G5V. [9] Its properties are quite similar to those of the Sun, which has a spectral type G2V and a temperature of 5772 K. [14] Therefore, it is classified as a solar analog. [9]
This number is likely much higher, due to the sheer number of stars needed to be surveyed; a star approaching the Solar System 10 million years ago, moving at a typical Sun-relative 20–200 kilometers per second, would be 600–6,000 light-years from the Sun at present day, with millions of stars closer to the Sun. The closest encounter to the ...
It consists of three stars: Rigil Kentaurus (α Centauri A), Toliman (α Centauri B), and Proxima Centauri (α Centauri C). [14] Proxima Centauri is the closest star to the Sun at 4.2465 light-years (1.3020 pc). α Centauri A and B are Sun-like stars (class G and K, respectively) that together form the binary star system α Centauri AB.
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The predicted galactic orbit has an eccentricity of 0.156, and the star can travel as far as 444 light-years (136 pc) away from the galactic plane. [50] The closest stellar neighbor to Wolf 359 is the red dwarf Ross 128 , at 3.79 ly (1.16 pc ). [ 51 ]
Below there are lists the nearest stars separated by spectral type. The scope of the list is still restricted to the main sequence spectral types: M, K, F, G, A, B and O. It may be later expanded to other types, such as S, D or C. The Alpha Centauri star system is the closest star system to the Sun.
At a distance of 10.50 ly (3.22 parsecs), Epsilon Eridani is the 13th-nearest known star (and ninth nearest solitary star or stellar system) to the Sun as of 2014. [9] Its proximity makes it one of the most studied stars of its spectral type . [ 77 ]
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