Tracer/method | Time | ![]() |
![]() |
![]() |
Source | R |
Coronal bright points | 1967 | 14.65 ![]() |
Dupree & Henze (1972) | 1 | ||
Coronal bright points | 1973 | 14.6 ![]() |
Golub et al. (1974) | 2 | ||
Coronal bright points | 1998-1999 | 14.530 ![]() |
2.68 ![]() |
present work, Table 4 | 3 | |
Coronal bright points | 1998-1999 | 14.677 ![]() |
3.10
![]() |
present work, Table 5 | 4 | |
Sunspots | 1921-1982 | 14.522 ![]() |
2.84 ![]() |
Howard et al. (1984) | 5 | |
Sunspots | 1921-1982 | 14.393 ![]() |
2.95 ![]() |
Howard et al. (1984) | 6 | |
Sunspots | 1874-1976 | 14.551 ![]() |
2.87 ![]() |
Balthasar et al. (1986) | 7 | |
Sunspots | 1853-1996 | 14.531 ![]() |
2.75 ![]() |
Pulkkinen & Tuominen (1998) | 8 | |
Sunspots | 1880-1976 | 14.37 ![]() |
2.59 ![]() |
Brajsa et al. (2002b) | 9 | |
H![]() |
1919-1929 | 14.48 | 2.16 | d'Azambuja & d'Azambuja (1948) | 10 | |
H![]() |
1972-1973 | 14.45 | 1.43 | Adams & Tang (1977) | 11 | |
H![]() |
1972-1987 | 14.45 ![]() |
0.11 ![]() |
3.69 ![]() |
Brajsa et al. (1991) | 12 |
Coronal bright points | 1998-1999 | 14.495 ![]() |
1.89
![]() |
1.89 ![]() |
present work, Table 2 | 13 |
Coronal bright points | 1998-1999 | 14.454 ![]() |
2.22 ![]() |
2.22 ![]() |
present work, Table 3 | 14 |
LTRs | 1979-1991 | 14.25 ![]() |
1.25 ![]() |
1.25 ![]() |
Brajsa et al. (2000a) | 15 |
LTRs | 1979-1991 | 14.16 ![]() |
1.41 ![]() |
1.41 ![]() |
Brajsa et al. (2000a) | 16 |
Magnetic | 1967-1980 | 14.307 ![]() |
1.98 ![]() |
2.15 ![]() |
Snodgrass (1983) | 17 |
Magnetic | 1975-1991 | 14.42 ![]() |
2.00 ![]() |
2.09 ![]() |
Komm et al. (1993) | 18 |
Magnetic | 1997 | 14.00 ![]() |
2.24 ![]() |
1.78 ![]() |
Deng et al. (1999) | 19 |
Doppler | 1966-1968 | 13.76 | 1.74 | 2.19 | Howard & Harvey (1970) | 20 |
Doppler | 1967-1984 | 14.05 | 1.49 | 2.61 | Snodgrass (1984) | 21 |
Doppler | 1981-1982 | 13.99 ![]() |
Küveler & Wöhl (1983) | 22 | ||
Doppler | 1983-1986 | 13.92 ![]() |
Lustig & Wöhl (1989) | 23 |
1. OSO-4, Mg X spectroheliograms; 2. Skylab, soft
X-rays; 3. SOHO-EIT, automatic method, no height
correction; 4. SOHO-EIT, automatic method, with height correction; 5. Mt. Wilson, sunspots; 6. Mt. Wilson, sunspot groups; 7. Greenwich, sunspot groups; 8. Extended Greenwich, sunspots and sunspot groups; 9. Greenwich, only stable recurrent sunspot groups; 10. Meudon; 11. Big Bear, with height correction; 12. Big Bear and Kanzelhöhe, with height correction; 13. SOHO-EIT, interactive method, no height correction; 14. SOHO-EIT, interactive method, with height correction; 15. Metsähovi, microwave low brightness temperature regions, no height correction; 16. Metsähovi, microwave low brightness temperature regions, with height correction; 17. Mt. Wilson, photospheric magnetic fields; 18. Kitt Peak, photospheric magnetic fields; 19. Huairou/Beijing, photospheric high-latitude magnetic fields; 20. Mt. Wilson, photosphere, spectroscopic; 21. Mt. Wilson, photosphere, spectroscopic; 22. Locarno, photosphere, spectroscopic; 23. Capri, photosphere, spectroscopic. |