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Ho’oleilana: An Individual Baryon Acoustic Oscillation?

  • Authors: R. Brent Tully, Cullan Howlett, Daniel Pomarède

R. Brent Tully et al 2023 The Astrophysical Journal 954 .

  • Provider: AAS Journals

Caption: Figure 5.

A normalized histogram of the number of galaxies as a function of distance from the center of Ho’oleilana. Error bars are computed using simulations fully reproducing the selection function of the data. Ho’oleilana, at a distance ﹩r\approx 150\,{h}_{75}^{-1}\,\mathrm{Mpc}﹩ from the central location, is well fit by a physical BAO model (red line). Compared to the expectations for a random field of galaxies (blue line), Ho’oleilana is detected at greater than 6σ significance as shown by the relative difference in χ 2 statistic.

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