Measuring the distance-redshift relation with the baryon acoustic oscillations of galaxy clusters

Understand

We analyse the largest spectroscopic samples of galaxy clusters to date, and provide observational constraints on the distance-redshift relation from baryon acoustic oscillations.

• The cluster samples considered in this work have been extracted from the Sloan Digital Sky Survey at three median redshifts, $z=0.2$, $z=0.3$, and $z=0.5$.
• The number of objects is $12910$, $42215$, and $11816$, respectively.
• We detect the peak of baryon acoustic oscillations for all the three samples.