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Table A.1
Coefficients for sidereal differential rotation rates in units of [deg day−1] obtained by different methods, including the calculated coefficients for Lößnitz 1 and Lößnitz 2 with uncertainties, in comparison to other works.
| Method | A | B | C | |
|---|---|---|---|---|
| Lößnitz three-parameter | α sunspots | 14.336 ± 0.003 | −2.561 ± 0.060 | −2.04 ± 0.22 |
| Lößnitz two-parameter | α sunspots | 14.355 ± 0.002 | −3.078 ± 0.022 | − |
| Howard et al. (1984) | all spots | 14.522 ± 0.004 | −2.840 ± 0.043 | − |
| Balthasar et al. (1986) | all spots | 14.551 ± 0.006 | −2.87 ± 0.06 | − |
| Balthasar et al. (1986) | Zürich H- & J-spots | 14.33 ± 0.02 | −2.86 ± 0.08 | − |
| Tlatov & Tlatova (2024) | all spots | 14.56 | −3.094 | 0.04 |
| Newton & Nunn (1951) | recurrent spots | 14.368 ± 0.004 | −2.69 ± 0.08 | − |
| Snodgrass (1984) | Doppler-shift | 14.050 ± 0.016 | −1.492 ± 0.005 | −2.606 ± 0.019 |
| Howard et al. (1983) | Doppler-shift | 14.193 | −1.708 | −2.361 |
| Kutsenko & Abramenko (2022) | ARs & continuum | 14.69 ± 0.02 | −1.17 ± 0.51 | −4.79 ± 2.44 |
| Kutsenko & Abramenko (2022) | ARs & magnetograms | 14.34 ± 0.01 | −2.87 ± 0.24 | 0.18 ± 1.08 |
| Snodgrass (1983) | magnetograms | 14.307 ± 0.005 | −1.980 ± 0.064 | −2.15 ± 0.11 |
| Hathaway & Rightmire (2011) | magnetograms | 14.437 ± 0.001 | −1.48 ± 0.01 | −2.99 ± 0.01 |
| Howe et al. (2000) | helioseismology (0.98 R⊙) | 14.021 | −1.735 | −2.162 |
| Schou et al. (2002) | helioseismology (0.98 R⊙) | 14.296 ± 0.004 | −1.018 ± 0.021 | −3.58 ± 0.02 |
| Rao et al. (2024) | chromosphere (Hα ± 0.5 Å) | 14.690 ± 0.114 | −0.698 ± 0.391 | −2.88 ± 0.47 |
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