Table B.1.
Some rotation parameters of different features and parts of the solar atmosphere as obtained through various studies.
| Article | Data | A ± ΔA | B ± ΔB | C ± ΔC |
|---|---|---|---|---|
| (°/day) | (°/day) | (°/day) | ||
| 1 | Individual Spots (MWO; 1921-1982) | 14.522 ± 0.004 | -2.84 ± 0.04 | — |
| Spot groups (MWO; 1921-1982) | 14.393 ± 0.010 | 2.95 ± 0.09 | — | |
| 2 | Individual Spots (GPR; 1874-1976) | 14.551 ± 0.006 | -2.87 ± 0.06 | — |
| 3* | Spot groups (Uncorrected KoSO data; 1917–1985) | 14.547 ± 0.005 | -2.96 ± 0.05 | — |
| Spot groups (Uncorrected MWO data; 1917–1985) | 14.459 ± 0.006 | -2.99 ± 0.06 | — | |
| Spot groups (Corrected KoSO; 1917-85) | 14.461 ± 0.006 | -3.02 ± 0.06 | — | |
| Spot groups (Corrected MWO; 1917-85) | 14.470 ± 0.005 | -2.97 ± 0.06 | — | |
| Individual Sunspots (Corrected MWO; 1917-85) | 14.446 ± 0.003 | -2.78 ± 0.03 | — | |
| Individual Sunspots (Corrected KoSO; 1917-85) | 14.456 ± 0.002 | -2.88 ± 0.02 | — | |
| 4* | Area < 5 μHem (KoSO; 1906-1987) | 14.491 ± 0.003 | -2.85 ± 0.03 | — |
| 5 μHem < Area < 15 μHem (KoSO) | 14.380 ± 0.004 | -2.84 ± 0.04 | — | |
| Area > 15 μHem (KoSO) | 14.279 ± 0.005 | -2.83 ± 0.04 | — | |
| Area < 5 μHem (MWO; 1917-1985) | 14.477 ± 0.003 | -2.80 ± 0.03 | — | |
| 5 μHem < Area < 15 μHem (MWO) | 14.363 ± 0.006 | -2.65 ± 0.05 | — | |
| Area > 15 μHem (MWO) | 14.248 ± 0.009 | -2.61 ± 0.09 | — | |
| 5 | Spot groups (KSO sunspot drawings | 14.47 ± 0.01 | -2.66 ± 0.10 | — |
| and WL images; 1964-2016) | 14.50 ± 0.01 | -2.87 ± 0.12 | — | |
| 6* | Individual Spots (GPR; 1874–1976) | 14.528 ± 0.006 | -2.77 ± 0.05 | — |
| Individual Spots (USF/NOAA; 1977 – 2016 ) | 14.44 ± 0.01 | -2.54 ± 0.08 | — | |
| Individual Spots (DPD; 1977 – 2016) | 14.433 ± 0.009 | -2.44 ± 0.08 | — | |
| Individual Spots (GPR+USF/NOAA; 1874 – 2016) | 14.501 ± 0.005 | -2.71 ± 0.05 | — | |
| Individual Spots (GPR+DPD; 1874 – 2016) | 14.483 ± 0.005 | -2.67 ± 0.05 | — | |
| 7* | Binary masks of sunspots (KoSO; 1923–2011) | 14.381 ± 0.004 | -2.72 ± 0.04 | — |
| 8 | Ca II K (KoSO;1907-2007) | 14.61 ± 0.04 | -2.18 ± 0.37 | -1.10 ± 0.61 |
| 9 | 304 Å (SDO/AIA; 2010-2023) | 14.574 ± 0.012 | -1.52 ± 0.12 | -2.29 ± 0.22 |
References.
(1) Howard et al. (1984); (2) Balthasar et al. (1986); (3) Howard et al. (1999); (4) Gupta et al. (1999); (5) Poljančić Beljan et al. (2017); (6) Ruždjak et al. (2017); (7) Jha et al. (2021); 8) Mishra et al. (2024); (9) Routh et al. (2024).
Notes. MWO: Mt. Wilson Observatory; GPR: Greenwich Photoheliographic Results; KoSO: Kodaikanal Solar Observatory; KSO: Kanzelhoe Observatory; WL: White Light; DPD: Debrecen Photoheliographic Data; USF/NOAA: US Air Force Solar Optical Observing Network and National Oceanic and Atmospheric Administration; SDO: Solar Dynamic Observatory; AIA: Atmospheric Imaging Assembly.
*Denotes the studies depicted in Fig. 3.
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