Revisiting the Sunspot Number: A 400-Year Perspective on the Solar Cycle
Clette, Frédéric, Svalgaard, Leif, Vaquero, José M., Cliver, Edward W.
Published in Space science reviews (01.12.2014)
Published in Space science reviews (01.12.2014)
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Journal Article
Hemispheric sunspot numbers 1874–2020
Veronig, Astrid M., Jain, Shantanu, Podladchikova, Tatiana, Pötzi, Werner, Clette, Frederic
Published in Astronomy and astrophysics (Berlin) (01.08.2021)
Published in Astronomy and astrophysics (Berlin) (01.08.2021)
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Journal Article
Hemispheric asymmetry of long-term sunspot activity: sunspot relative numbers for 1939–2019
Zhang, X J, Deng, L H, Fei, Y, Li, C, Tian, X A, Wan, Z J
Published in Monthly notices of the Royal Astronomical Society (09.06.2022)
Published in Monthly notices of the Royal Astronomical Society (09.06.2022)
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Journal Article
Christian Horrebow’s Sunspot Observations – II. Construction of a Record of Sunspot Positions
Karoff, Christoffer, Jørgensen, Carsten Sønderskov, Senthamizh Pavai, V., Arlt, Rainer
Published in Solar physics (01.06.2019)
Published in Solar physics (01.06.2019)
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Journal Article
A novel approach to identify resonant MHD wave modes in solar pores and sunspot umbrae: B − ω analysis
Stangalini, M., Jess, D. B., Verth, G., Fedun, V., Fleck, B., Jafarzadeh, S., Keys, P. H., Murabito, M., Calchetti, D., Aldhafeeri, A. A., Berrilli, F., Del Moro, D., Jefferies, S. M., Terradas, J., Soler, R.
Published in Astronomy and astrophysics (Berlin) (01.05.2021)
Published in Astronomy and astrophysics (Berlin) (01.05.2021)
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Journal Article
A Revised Collection of Sunspot Group Numbers
Vaquero, J. M., Svalgaard, L., Carrasco, V. M. S., Clette, F., Lefèvre, L., Gallego, M. C., Arlt, R., Aparicio, A. J. P., Richard, J.-G., Howe, R.
Published in Solar physics (01.11.2016)
Published in Solar physics (01.11.2016)
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Journal Article
Temporal Evolutions and Quasiperiodic Variations Present in the Sunspot Number and Group Sunspot Area Data Measured at Kodaikanal Observatory for Solar Cycles 14–24
Ravindra, Belur, Chowdhury, Partha, Ray, Pratap Chandra, Pichamani, Kumaravel
Published in The Astrophysical journal (01.11.2022)
Published in The Astrophysical journal (01.11.2022)
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Journal Article
Recalibration of the Sunspot-Number: Status Report
Clette, F., Lefèvre, L., Chatzistergos, T., Hayakawa, H., Carrasco, V. M. S., Arlt, R., Cliver, E. W., Wit, T. Dudok de, Friedli, T. K., Karachik, N., Kopp, G., Lockwood, M., Mathieu, S., Muñoz-Jaramillo, A., Owens, M., Pesnell, D., Pevtsov, A., Svalgaard, L., Usoskin, I. G., Driel-Gesztelyi, L. van, Vaquero, J. M.
Published in Solar physics (01.03.2023)
Published in Solar physics (01.03.2023)
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Journal Article
The Revised Brussels–Locarno Sunspot Number (1981 – 2015)
Clette, Frédéric, Lefèvre, Laure, Cagnotti, Marco, Cortesi, Sergio, Bulling, Andreas
Published in Solar physics (01.11.2016)
Published in Solar physics (01.11.2016)
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Journal Article
An Overview of Sunspot Observations in 1727–1748
Hayakawa, Hisashi, Hattori, Kentaro, Sôma, Mitsuru, Iju, Tomoya, Besser, Bruno P., Kosaka, Shunsuke
Published in The Astrophysical journal (01.12.2022)
Published in The Astrophysical journal (01.12.2022)
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Journal Article
Thaddäus Derfflinger's Sunspot Observations during 1802-1824: A Primary Reference to Understand the Dalton Minimum
Hayakawa, Hisashi, Besser, Bruno P., Iju, Tomoya, Arlt, Rainer, Uneme, Shoma, Imada, Shinsuke, Bourdin, Philippe-A., Kraml, Amand
Published in The Astrophysical journal (20.02.2020)
Published in The Astrophysical journal (20.02.2020)
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