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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 6.

Composite visual (F555W) or white-light (F350LP) Cepheid light curves binned by period (upper) and compared with individual MW Cepheids near the middle period of the bin. The “Hertzsprung progression” (relation between light-curve shape and period) is apparent, including subtle features like the progression in phase of a resonance “bump” between the second overtone and fundamental pulsation for P < 20 days. The red line is a cubic spline constrained by the averages of bins in phase.

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