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UX Tauri

UX Tauri is a triple system of young T Tauri stars. The largest of these, the sunlike UX Tauri A, has a large dust disk. This has a gap between 0.2 and 56 AU distance. Copied to our solar system, the gap would be between Mercury and Pluto. Inside and outside of this disk the dust is very thick.
In this gap probably planets form or do already exist. This is very unusual for such a young star.

Constellation: Taurus
Age: 1 million years
Distance: 450 light-years
Spectral class: G5V
Visual magnitude: 10.7

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11/29/2007

    UX Tauri A
Graphic: NASA/JPL-Caltech/T. Pyle (SSC)

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