Robuta

https://www.aanda.org/articles/aa/ref/2020/04/aa37588-20/aa37588-20.html Power spectra of solar brightness variations at various inclinations | Astronomy & Astrophysics... power spectra solar brightness https://www.aanda.org/articles/aa/full_html/2020/07/aa37739-20/aa37739-20.html How faculae and network relate to sunspots, and the implications for solar and stellar brightness... https://www.aanda.org/articles/aa/full_html/2018/11/aa33936-18/aa33936-18.html From solar to stellar brightness variations - The effect of metallicity | Astronomy & Astrophysics... from solar