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- W4366158051 abstract "LSST will supply up to $10^6$ supernovae (SNe) to constrain dark energy through the distance-redshift ($D_L$-$z$) test. Obtaining spectroscopic SN redshifts (spec-$z$s) is unfeasible; alternatives are suboptimal and may be biased. We propose a powerful multi-tracer generalization of the Alcock-Paczynski test that pairs redshift-free distance tracers and an overlapping galaxy redshift survey. Cross-correlating $5times 10^4$ redshift-free SNe with DESI or Euclid outperforms the classical $D_L$-$z$ test with spec-$z$s for all SN. Our method also applies to gravitational wave sirens or any redshift-free distance tracer." @default.
- W4366158051 created "2023-04-19" @default.
- W4366158051 creator A5050309898 @default.
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- W4366158051 date "2018-08-20" @default.
- W4366158051 modified "2023-09-25" @default.
- W4366158051 title "Beyond the classical distance-redshift test: cross-correlating redshift-free standard candles and sirens with redshift surveys" @default.
- W4366158051 doi "https://doi.org/10.48550/arxiv.1808.06615" @default.
- W4366158051 hasPublicationYear "2018" @default.
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