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Teegarden’s Star


A very faint star of the type known as a red dwarf. Only recently discovered, this star was initially thought to be just 7.8 light years from the Solar System, making it the third nearest stellar system to the Sun; later measurements suggest that it is somewhat further away than this initial estimate, and that Teegarden's Star actually lies 12.5 light years or more from the Sun. This faint red dwarf star, one of several in relatively close proximity to the Solar System whose low Luminosity makes them difficult to detect.

Though it lies relatively close to the Sun, Teegarden's Star is nonetheless extremely faint, and barely detectable in visible light. This infra-red image helps it stand out more clearly against the background stars of Aries. Imagery provided by Aladin sky atlas


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