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A Comprehensive Measurement of the Local Value of the Hubble Constant with 1 km s−1 Mpc−1 Uncertainty from the Hubble Space Telescope and the SH0ES Team

  • Authors: Adam G. Riess, Wenlong Yuan, Lucas M. Macri, Dan Scolnic, Dillon Brout, Stefano Casertano, David O. Jones, Yukei Murakami, Gagandeep S. Anand, Louise Breuval, Thomas G. Brink, Alexei V. Filippenko, Samantha Hoffmann, Saurabh W. Jha, W. D'arcy Kenworthy, John Mackenty, Benjamin E. Stahl, WeiKang Zheng

Adam G. Riess et al 2022 The Astrophysical Journal Letters 934 .

  • Provider: AAS Journals

Caption: Figure 9.

HST NIR Wesenheit Cepheid P–L relations. The Cepheid magnitudes are shown for 37 SN Ia hosts, M31, and 2 of the 3 possible distance-scale anchors (LMC and NGC 4258). The uniformity of the photometry and metallicity reduces systematic errors along the distance ladder. A single slope is shown and used for the baseline, but we also allow for a break (two slopes) as well as limited period ranges in some analysis variants.

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