Table 2
Comparison with some other results.
| Method/object | Time period | A [° d-1] | B [° d-1] | C [° d-1] | AG [° d-1] | BG [° d-1] | CG [° d-1] | Ref. |
|
|
||||||||
| CBPs | 1967 | 14.65 ± 0.2 | 14.65 | (1) | ||||
| CBPs | 1994–1997 | 14.39 ± 0.01 | −1.91 ± 0.10 | −2.45 ± 0.17 | 13.80 | –0.709 | –0.117 | (2) |
| CBPs | 1998–1999 | 14.454 ± 0.027 | −2.22 ± 0.07 | −2.22 ± 0.07 | 13.82 | –0.740 | –0.106 | (3) |
| CBPs | 1998–2006 | 14.499 ± 0.006 | −2.54 ± 0.06 | −0.77 ± 0.09 | 13.93 | –0.611 | –0.037 | (4) |
| CBPs | 2011 Jan. 1–2 | 14.47 ± 0.10 | + 0.6 ± 1.0 | −4.7 ± 1.7 | 14.19 | –0.507 | –0.224 | (5) |
| CBPs | 2011 Jan. 1–2 | 14.59 ± 0.07 | −1.35 ± 0.21 | −1.35 ± 0.21 | 14.20 | –0.450 | –0.064 | (5) |
| CBPs | 2011 Jan. 1–2 | 14.62 ± 0.08 | −2.02 ± 0.33 | 14.22 | –0.404 | (5) | ||
|
|
||||||||
| sunspot groups | 1853–1996 | 14.531 ± 0.003 | −2.75 ± 0.05 | 13.98 | –0.550 | (6) | ||
| sunspot groups | 1874–1976 | 14.551 ± 0.006 | −2.87 ± 0.06 | 13.98 | –0.574 | (7) | ||
| sunspot groups | 1878–2011 | 14.499 ± 0.005 | −2.64 ± 0.05 | 13.97 | –0.528 | (8) | ||
| sunspot groups | 1880–1976 | 14.37 ± 0.01 | −2.59 ± 0.16 | 13.85 | –0.518 | (9) | ||
| sunspots | 1921–1982 | 14.522 ± 0.004 | −2.84 ± 0.04 | 13.95 | –0.568 | (10) | ||
| sunspot groups | 1921–1982 | 14.393 ± 0.010 | −2.95 ± 0.09 | 13.80 | –0.590 | (10) | ||
|
|
||||||||
| Hα filaments | 1972–1987 | 14.45 ± 0.15 | −0.11 ± 0.90 | −3.69 ± 0.90 | 14.11 | –0.514 | –0.176 | (11) |
|
|
||||||||
| magnetic features | 1967–1980 | 14.307 ± 0.005 | −1.98 ± 0.06 | −2.15 ± 0.11 | 13.73 | –0.683 | –0.102 | (12) |
| magnetic features | 1975–1991 | 14.42 ± 0.02 | −2.00 ± 0.13 | −2.09 ± 0.15 | 13.84 | –0.679 | –0.100 | (13) |
|
|
||||||||
| Doppler | 1966–1968 | 13.76 | –1.74 | –2.19 | 13.22 | –0.640 | –0.104 | (14) |
| Doppler | 1967–1984 | 14.05 | –1.49 | –2.61 | 13.53 | –0.646 | –0.124 | (15) |
|
|
||||||||
| Helioseismology | 1996 | 14.16 | –1.63 | –2.52 | 13.62 | –0.662 | –0.120 | (16) |
| Helioseismology | 2002 Apr. | 14.04 | –1.70 | –2.49 | 13.49 | –0.672 | –0.119 | (17) |
Reference. (1) Dupree & Henze (1972); (2) Hara (2009); (3) Brajša et al. (2004); (4) Wöhl et al. (2010); (5) this paper; (6) Pulkkinen & Tuominen (1998); (7) Balthasar et al. (1986b); (8) Sudar et al. (2014); (9) Brajša et al. (2002a); (10) Howard et al. (1984); (11) Brajša et al. (1991); (12) Snodgrass (1983); (13) Komm et al. (1993); (14) Howard & Harvey (1970); (15) Snodgrass (1984); (16) Schou et al. (1998); (17) Komm et al. (2004).
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