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Twisting Motions of Sunspot Penumbral Filaments : HinodeICHIMOTO, K; SUEMATSU, Y; NAGATA, S et al.Science (Washington, D.C.). 2007, Vol 318, Num 5856, pp 1597-1599, issn 0036-8075, 3 p.Article

Plasma flows observed in magnetic flux concentrations and sunspot fine structure using adaptive opticsRIMMELE, Thomas R.The Astrophysical journal. 2004, Vol 604, Num 2, pp 906-923, issn 0004-637X, 18 p., 1Article

Penumbral structure at 0.1 resolution. I. General appearance and power spectraVAN DER VOORT, L. H. M. Rouppe; LÖFDAHL, M. G; KISELMAN, D et al.Astronomy and astrophysics (Berlin. Print). 2004, Vol 414, Num 2, pp 717-726, issn 0004-6361, 10 p.Article

Downward pumping of magnetic flux as the cause of filamentary structures in sunspot penumbraeTHOMAS, John H; WEISS, Nigel O; TOBIAS, Steven M et al.Nature (London). 2002, Vol 420, Num 6914, pp 390-393, issn 0028-0836, 4 p.Article

New method of time series analysis and its application to Wolf's sunspot number data. II: Periodicities of the daily sunspot numbersTERACHI, S; OHTOMO, N; TANAKA, Y et al.Japanese journal of applied physics. 1997, Vol 36, Num 2, pp 957-968, issn 0021-4922, 1Article

A possible Coriolis-force contribution to the tilt-angle rotation of sunspot groupsHOWARD, R. F.Solar physics. 1994, Vol 149, Num 1, pp 23-29, issn 0038-0938Article

The solar activity maximum of cycle no 22 from KAAU solar observatoryBASURAH, H. M; AL-MLEAKY, Y. M; MALAWI, A. A et al.Astrophysics and space science. 1994, Vol 215, Num 1, pp 131-133, issn 0004-640XArticle

Infrared lines as probes of solar magnetic features. VII: On the nature of the Evershed effect in sunspotsSOLANKI, S. K; MONTAVON, C. A. P; LIVINGSTON, W et al.Astronomy and astrophysics (Berlin. Print). 1994, Vol 283, Num 1, pp 221-231, issn 0004-6361Article

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Polarimetry and spectroscopy of a simple sunspot. III: Velocity and magnetic field of sunspot umbral dotsSCHMIDT, W; BALTHASAR, H.Astronomy and astrophysics (Berlin. Print). 1994, Vol 283, Num 1, pp 241-246, issn 0004-6361Article

Speckle imaging of solar small scale structure. II: Study of small scale structure in active regionsVON DER LÜHE, O.Astronomy and astrophysics (Berlin. Print). 1994, Vol 281, Num 3, pp 889-910, issn 0004-6361Article

The one hundredth year of Rudolf Wolf's death : do we have the correct reconstruction of solar activity ?HOYT, D. V; SCHATTEN, K. H; NESMES-RIBES, E et al.Geophysical research letters. 1994, Vol 21, Num 18, pp 2067-2070, issn 0094-8276Article

On the correlation of power in sunspot umbral oscillations with continuum brightnessABALLE VILLERO, M. A; MARCO, E; VAZQUEZ, M et al.Astronomy and astrophysics (Berlin. Print). 1993, Vol 267, Num 1, pp 275-286, issn 0004-6361Article

Spectral observations of active region sources with RATAN-600 and WSRTALISSANDRAKIS, C. E; GELFREIKH, G. B; BOROVIK, V. N et al.Astronomy and astrophysics (Berlin. Print). 1993, Vol 270, Num 1-2, pp 509-515, issn 0004-6361Article

Strong transverse fields in δ-spotsZIRIN, H; WANG, H.Solar physics. 1993, Vol 144, Num 1, pp 37-43, issn 0038-0938Article

The magnetohydrodynamics of umbral flux tubes. I: Theoretical modelDEGENHARDT, D; LITES, B. W.The Astrophysical journal. 1993, Vol 404, Num 1, pp 383-393, issn 0004-637X, 1Article

Large-scale solar plasma rotation around stable sunspotsLUSTIG, G; WÖHL, H.Astronomy and astrophysics (Berlin. Print). 1993, Vol 278, Num 2, pp 637-643, issn 0004-6361Article

Simultaneous observations of solar plage with the solar extreme ultraviolet rocket telescope and spectrograph (SERTS), the VLA, and the kitt peak magnetographBROSIUS, J. W; DAVILA, J. M; THOMPSON, W. T et al.The Astrophysical journal. 1993, Vol 411, Num 1, pp 410-417, issn 0004-637X, 1Article

The curious case of the Greenwich faculaeFOUKAL, P.Solar physics. 1993, Vol 148, Num 2, pp 219-232, issn 0038-0938Article

The source of 5 minute period photospheric umbral oscillationsPENN, M. J; LABONTE, B. J.The Astrophysical journal. 1993, Vol 415, Num 1, pp 383-396, issn 0004-637X, 1Article

The temperature variation across the boundary of dark spots on the solar surfaceDEGENHARDT, D.Solar physics. 1993, Vol 148, Num 1, pp 65-84, issn 0038-0938Article

Detection of invisible sunspotsZIRIN, H; WANG, H.The Astrophysical journal. 1992, Vol 385, Num 1, pp L27-L29, issn 0004-637X, p.2Article

High dynamic range multifrequency radio observations of a solar active regionWHITE, S. M; KUNDU, M. R; GOPALSWAMY, N et al.The Astrophysical journal. Supplement series. 1992, Vol 78, Num 2, pp 599-617, issn 0067-0049Article

The growth and decay of sunspot groupsHOWARD, R. F.Solar physics. 1992, Vol 137, Num 1, pp 51-65, issn 0038-0938Article