2020
DOI: 10.48550/arxiv.2011.04210
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The Effect of Systematic Redshift Biases in BAO Cosmology

Aaron Glanville,
Cullan Howlett,
Tamara M. Davis

Abstract: With the remarkable increase in scale and precision provided by upcoming galaxy redshift surveys, systematic errors that were previously negligible may become significant. In this paper, we explore the potential impact of low-magnitude systematic redshift offsets on measurements of the Baryon Acoustic Oscillation (BAO) feature, and the cosmological constraints recovered from such measurements. Using 500 mock galaxy redshift surveys as our baseline sample, we inject a series of systematic redshift biases (rangi… Show more

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“…While the error is small and will have been negligible for most applications (e.g. Glanville et al 2020), it is important to fix since systematic effects could propagate out to inferred cosmological parameters (Wojtak et al 2015;Calcino & Davis 2017;Chaves-Montero et al 2018;Steinhardt et al 2020).…”
Section: Introductionmentioning
confidence: 99%
“…While the error is small and will have been negligible for most applications (e.g. Glanville et al 2020), it is important to fix since systematic effects could propagate out to inferred cosmological parameters (Wojtak et al 2015;Calcino & Davis 2017;Chaves-Montero et al 2018;Steinhardt et al 2020).…”
Section: Introductionmentioning
confidence: 99%