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QMAP was a balloon experiment to measure the anisotropy of the Cosmic microwave background. It flew twice in 1996, and was used with an interlocking scan of the skies to produce cosmic microwave background (CMB) maps.

QMAP

First light	1996
Telescope style	balloon-borne telescope cosmic microwave background experiment radio telescope
Website	www.physics.princeton.edu/cosmology/qmap/
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The gondola was later used for ground-based observations as the MAT/TOCO experiment; so named because the instrument was called the Mobile Anisotropy Telescope and it was positioned at Cerro Toco in the Chilean Andes.[1] It was the first such experiment to localize the position of the first acoustical peak in the CMB.[2]

See also

• Cosmic microwave background experiments
• Observational cosmology

References

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