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Epsilon Indi, Latinized from ε Indi, is a star system located at a distance of approximately 12 light-years from Earth in the southern constellation of Indus. The star has an orange hue and is faintly visible to the naked eye with an apparent visual magnitude of 4.674. [ 2 ]
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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.
Epsilon Indi Ab is a gas giant exoplanet orbiting the star Epsilon Indi A, about 11.9 light-years away in the constellation of Indus. The planet was confirmed to exist in 2018. [ 1 ] It orbits at around 30 AU (almost as far as Neptune from the Sun) with a period of around 180 years and a relatively high eccentricity of 0.4, and has a mass ...
Beta Indi is an orange giant of magnitude 3.7, 600 light-years distant. Delta Indi is a white star of magnitude 4.4, 185 light-years from Earth. The three form a near-perfect right-angled triangle, such that Beta marks the right angle and is in the south-east. Epsilon Indi is one of the closest stars to Earth, approximately 11.8 light years away.
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In many cases it is not possible to have an exact value, and an estimated range is instead provided. The coldest and oldest planet directly imaged is Epsilon Indi Ab, which has six times Jupiter's mass, an effective temperature of 275 K, and an age of about 3.5 Ga. This list includes the four members of the multi-planet system that orbit HR 8799.
This is a list of star systems within 20–25 light years of Earth. So far, 84 such objects have been found, of which only 7 are bright enough to be visible without a telescope. Key