Inflection point in the power spectrum of stellar brightness variations - II. The Sun E. M. Amazo-Gómez, A. I. Shapiro, S. K. Solanki, N. A. Krivova, G. Kopp, T. Reinhold, M. Oshagh and A. Reiners A&A, 636 (2020) A69 Published online: 20 April 2020 DOI: 10.1051/0004-6361/201936925