Table 1: Synodic and siderial rotation periods and corresponding siderial frequencies. Sunspot rotation periods are calculated from $\omega = 14.551{-}2.87\sin ^2 (B) $ determined by Balthasar et al. (1986). The value for the solar interior is the one just below the tachocline taken from Eff-Darwich et al. (2002).
Name $P_{\rm syn}$[days] $P_{\rm sid}$[days] $\nu$[nHz]
25.846 24.138 479.5
spots at equator 26.538 24.741 467.8
spots at 15$^\circ$ 26.921 25.073 461.6
Bartels 27.000 25.141 460.4
Carrington 27.275 25.381 456.0
1st high powerpeak 27.361 25.454 454.7
2nd high powerpeak 27.491 25.567 452.7
spots at 30$^\circ$ 28.020 26.034 444.8
28.200 26.179 442.1
interior 28.698 26.607 435.0

Source LaTeX | All tables | In the text