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Journal of Cosmology and Astroparticle Physics· 2025

The Atacama Cosmology Telescope: DR6 power spectra, likelihoods and ΛCDM parameters

Thibaut Louis, Adrien La Posta, Zachary Atkins, Hidde T. Jense et al.

Short summary

The Atacama Cosmology Telescope's Data Release 6 provides cosmic microwave background (CMB) temperature and polarization power spectra over 19,000 deg², with polarization noise three times lower than Planck, enabling precise measurements of cosmological parameters.

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Field: Instrumentation

InstrumentationPhysics and Astronomy