XO Telescope

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The XO Telescope is a telescope located on the 3054 m summit of Haleakala on Maui, Hawaii, formed by a pair of 200 mm telephoto lenses. It is used to detect extrasolar planets using the transit method. It is similar to the TrES survey telescope. The construction of the one-of-a-kind telescope cost 60,000 $US for the hardware, and much more than that for the associated software.

Planets discovered:

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