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Analyzing Baryon Acoustic Oscillations in Sparse Spectroscopic Samples via Cross-Correlation with Dense Photometry
Anna Patej, Daniel J. Eisenstein
We develop a formalism for measuring the cosmological distance scale from baryon acoustic oscillations (BAO) using the cross-correlation of a sparse redshift survey with a denser p…
Quantifying the Colour-Dependent Stochasticity of Large-Scale Structure
Anna Patej, Daniel Eisenstein
We address the question of whether massive red and blue galaxies trace the same large-scale structure at z~0.6 using the CMASS sample of galaxies from Data Release 12 of the Sloan…
Density Jumps Near the Virial Radius of Galaxy Clusters
Anna Patej, Abraham Loeb
Recent simulations have indicated that the dark matter halos of galaxy clusters should feature steep density jumps near the virial radius. Since the member galaxies are expected to…
A Simple Physical Model for the Gas Distribution in Galaxy Clusters
Anna Patej, Abraham Loeb
The dominant baryonic component of galaxy clusters is hot gas whose distribution is commonly probed through X-ray emission arising from thermal bremsstrahlung. The density profile…