-
1
-
-
72649106086
-
A homogeneous database of sunspot areas covering more than 130 years
-
Balmaceda, L.A., Solanki, S.K., Krivova, N.A., Foster, S.: 2009, A homogeneous database of sunspot areas covering more than 130 years. J. Geophys. Res. 114, A07104. DOI.
-
(2009)
J. Geophys. Res.
, vol.114
-
-
Balmaceda, L.A.1
Solanki, S.K.2
Krivova, N.A.3
Foster, S.4
-
2
-
-
85011324745
-
Zum Problem der Gruppeneinteilung von Sonnenflecken
-
8, (www.leif.org/research/Beck-Rules-Groups-and-Spots.pdf) [downloaded on 13 August 2016]
-
Beck, R.: 1984, Zum Problem der Gruppeneinteilung von Sonnenflecken. In: Sonne – Mitteilungsblatt der Amateursonnenbeobachter 8, 64 (www.leif.org/research/Beck-Rules-Groups-and-Spots.pdf) [downloaded on 13 August 2016].
-
(1984)
Sonne – Mitteilungsblatt der Amateursonnenbeobachter
, pp. 64
-
-
Beck, R.1
-
4
-
-
85011381873
-
Tabellen und Kurven zur Darstellung der Häufigkeit der Sonnenflecken in den Jahren 1749 – 1944
-
Brunner, W.: 1945, Tabellen und Kurven zur Darstellung der Häufigkeit der Sonnenflecken in den Jahren 1749 – 1944. Astron. Mitt. Eidgenöss. Sternwarte Zür. 145, 135.
-
(1945)
Astron. Mitt. Eidgenöss. Sternwarte Zür.
, vol.145
, pp. 135
-
-
Brunner, W.1
-
5
-
-
84920674496
-
Revisiting the sunspot number – a 400-year perspective on the solar cycle
-
Clette, F., Svalgaard, L., Vaquero, J.M., Cliver, E.W.: 2014, Revisiting the sunspot number – a 400-year perspective on the solar cycle. Space Sci. Rev. 186, 35. DOI.
-
(2014)
Space Sci. Rev.
, vol.186
, pp. 35
-
-
Clette, F.1
Svalgaard, L.2
Vaquero, J.M.3
Cliver, E.W.4
-
6
-
-
84961678197
-
Sunspot observations and counting at specola solar ticinese in locarno since 1957
-
Cortesi, S., Cagnotti, M., Bianda, M., Ramelli, R., Manna, A.: 2016, Sunspot observations and counting at specola solar ticinese in locarno since 1957. Solar Phys. 291, 3075. DOI.
-
(2016)
Solar Phys.
, vol.291
, pp. 3075
-
-
Cortesi, S.1
Cagnotti, M.2
Bianda, M.3
Ramelli, R.4
Manna, A.5
-
8
-
-
41749109601
-
On the relative inhomogeneity of long-term series of sunspot indices
-
Kopecký, M., Kuklin, G.V., Růžičková-Topolová, B.: 1980, On the relative inhomogeneity of long-term series of sunspot indices. Bull. Astron. Inst. Czechoslov. 31, 267.
-
(1980)
Bull. Astron. Inst. Czechoslov.
, vol.31
, pp. 267
-
-
Kopecký, M.1
Kuklin, G.V.2
Růžičková-Topolová, B.3
-
9
-
-
84906222128
-
Centennial variations in sunspot number, open solar flux, and streamer belt width: 1. Correction of the sunspot number record since 1874
-
Lockwood, M., Owens, M.J., Barnard, L.: 2014, Centennial variations in sunspot number, open solar flux, and streamer belt width: 1. Correction of the sunspot number record since 1874. J. Geophys. Res. Space Phys. 119, 5172. DOI.
-
(2014)
J. Geophys. Res. Space Phys.
, vol.119
, pp. 5172
-
-
Lockwood, M.1
Owens, M.J.2
Barnard, L.3
-
10
-
-
2042436962
-
The difference in the relationship between ionospheric critical frequencies and sunspot number for different sunspot cycles
-
Ostrow, S.M., PoKempner, M.: 1952, The difference in the relationship between ionospheric critical frequencies and sunspot number for different sunspot cycles. J. Geophys. Res. 57(4), 473. DOI.
-
(1952)
J. Geophys. Res.
, vol.57
, Issue.4
, pp. 473
-
-
Ostrow, S.M.1
PoKempner, M.2
-
11
-
-
84948455555
-
Sunspot areas and tilt angles for solar cycles 7 – 10
-
Pavai, V.S., Arlt, R., Dasi-Espuig, M., Krivova, N.A., Solanki, S.K.: 2015, Sunspot areas and tilt angles for solar cycles 7 – 10. Astron. Astrophys. 584, A73. DOI.
-
(2015)
Astron. Astrophys.
, vol.584
-
-
Pavai, V.S.1
Arlt, R.2
Dasi-Espuig, M.3
Krivova, N.A.4
Solanki, S.K.5
-
12
-
-
71749106838
-
Calibrating the Sunspot Number using “the Magnetic Needle”
-
[downloaded on 13 August 2016]
-
Svalgaard, L.: 2007, Calibrating the Sunspot Number using “the Magnetic Needle”. CAWSES Newsletter 4(1). http://www.leif.org/research/CAWSES - Sunspots.pdf [downloaded on 13 August 2016].
-
(2007)
CAWSES Newsletter 4(1)
-
-
Svalgaard, L.1
-
13
-
-
80051532880
-
Updating the historical sunspot record
-
Cranmer S.R., Hoeksema J.T., Kohl J.L., (eds), Astron. Soc. Pacific, CS-428
-
Svalgaard, L.: 2010, Updating the historical sunspot record. In: Cranmer, S.R., Hoeksema, J.T., Kohl, J.L. (eds.) SOHO-23: Understanding a Peculiar Solar Minimum, Astron. Soc. Pacific, San Francisco CS-428, 297.
-
(2010)
SOHO-23: Understanding a Peculiar Solar Minimum
, pp. 297
-
-
Svalgaard, L.1
-
14
-
-
84904390650
-
How well do we know the sunspot number?
-
Mandrini C.H., Webb D.F., (eds), Proc. IAU Sympos., 286, Cambridge University Press, Cambridge
-
Svalgaard, L.: 2012, How well do we know the sunspot number? In: Mandrini, C.H., Webb, D.F. (eds.) Comparative Magnetic Minima: Characterizing Quiet Times in the Sun and Stars, Proc. IAU Sympos. 286, Cambridge University Press, Cambridge, 15. DOI.
-
(2012)
Comparative Magnetic Minima: Characterizing Quiet Times in the Sun and Stars
, pp. 15
-
-
Svalgaard, L.1
-
15
-
-
85011370557
-
-
[downloaded on 13 August 2016]
-
Svalgaard, L.: 2014. www.leif.org/research/The-Effect-of-Weighting-in-Counting-Sunspots-and-More.pdf [downloaded on 13 August 2016].
-
(2014)
-
-
Svalgaard, L.1
-
16
-
-
84982111742
-
Reconstruction of Solar Extreme Ultraviolet Flux 1740 – 2015
-
Svalgaard, L.: 2016, Reconstruction of Solar Extreme Ultraviolet Flux 1740 – 2015. Solar Phys. 291. DOI.
-
(2016)
Solar Phys. 291
-
-
Svalgaard, L.1
-
17
-
-
85002937245
-
A Recount of Sunspot Groups on Staudach’s Drawings
-
Svalgaard, L.: 2017, A Recount of Sunspot Groups on Staudach’s Drawings. Solar Phys. 292, 4. DOI.
-
(2017)
Solar Phys.
, vol.292
, pp. 4
-
-
Svalgaard, L.1
-
18
-
-
84958757006
-
Reconstruction of the Sunspot Group Number: The Backbone Method
-
Svalgaard, L., Schatten, K.H.: 2016, Reconstruction of the Sunspot Group Number: The Backbone Method. Solar Phys. 291. DOI.
-
(2016)
Solar Phys. 291
-
-
-
19
-
-
0008536764
-
Chromosphärische Eruptionen. I
-
Waldmeier, M.: 1938, Chromosphärische Eruptionen. I. Zeit. Astrophys. 16, 276.
-
(1938)
Zeit. Astrophys.
, vol.16
, pp. 276
-
-
Waldmeier, M.1
-
22
-
-
34548739876
-
Die Beziehung zwischen der Sonnenflecken-relativzahl und der Gruppenzahl
-
Waldmeier, M.: 1968, Die Beziehung zwischen der Sonnenflecken-relativzahl und der Gruppenzahl. Astr. Mitteil. Eidgn. Sternw. Zürich 285, 1.
-
(1968)
Astr. Mitteil. Eidgn. Sternw. Zürich
, vol.285
, pp. 1
-
-
Waldmeier, M.1
-
24
-
-
84895638157
-
Beobachtungen der Sonnenflecken in den Jahren 1849 – 1855
-
Wolf, R.: 1856, Beobachtungen der Sonnenflecken in den Jahren 1849 – 1855, Mittheil. über die Sonnenflecken I, 3.
-
(1856)
Mittheil. über die Sonnenflecken
, vol.1
, pp. 3
-
-
Wolf, R.1
-
25
-
-
84996462707
-
Die Häufigkeit und heliographische Verteilung der Sonnenflecken im Jahre 1906
-
251
-
Wolfer, A.: 1907, Die Häufigkeit und heliographische Verteilung der Sonnenflecken im Jahre 1906. Astron. Mitt. Eidgenöss. Sternwarte Zür. XCVIII, 10, 251.
-
(1907)
Astron. Mitt. Eidgenöss. Sternwarte Zür.
, vol.98
, pp. 10
-
-
Wolfer, A.1
|