Measurement of the power spectrum turnover scale from the cross-correlation between CMB lensing and Quaia
We use the projected clustering of quasars in the Gaia-unWISE quasar catalog, Quaia, and its cross-correlation with CMB lensing data from Planck, to measure the large-scale turnover of the matter power spectrum, associated with the size of the horizon at the epoch of matter-radiation equality. The t...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Maynooth Academic Publishing
2025-04-01
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| Series: | The Open Journal of Astrophysics |
| Online Access: | https://doi.org/10.33232/001c.136891 |
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