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Willamo, T.
25
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Online (25)
Mediatypes
Articles (Online) (3)
OpenAccess-fulltext (22)
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1
A Test of the Active-Day Fraction Method of Sunspot Group N..:
Willamo, T.
;
Usoskin, I. G.
;
Kovaltsov, G. A.
Solar Physics. 293 (2018) 4 - p. , 2018
Link:
https://doi.org/10.1007/..
?
2
Analysis of Ground Level Enhancements (GLE): Extreme solar ..:
Asvestari, E.
;
Willamo, T.
;
Gil, A.
...
Advances in Space Research. 60 (2017) 4 - p. 781-787 , 2017
Link:
https://doi.org/10.1016/..
?
3
Time‐series analysis of long‐term photometry of BM Canum Ve..:
Siltala, L.
;
Jetsu, L.
;
Hackman, T.
...
Astronomische Nachrichten. 338 (2017) 4 - p. 453-463 , 2017
Link:
https://doi.org/10.1002/..
?
4
Zeeman-Doppler imaging of five young solar-type stars:
Willamo, T
;
Lehtinen, J. J
;
Hackman, T
...
info:eu-repo/grantAgreement/EC/H2020/818665/EU//UniSDyn Funding Information: T. W. acknowledges the financial support from the Vaisala Foundation. T. H. acknowledges the financial support from the Academy of Finland for the project SOLSTICE (decision No. 324161). M. J. K. acknowledges the support of the Academy of Finland ReSoLVE Centre of Excellence (grant No. 307411). Publisher Copyright: ©. , 2022
Link:
https://aaltodoc.aalto.f..
?
5
Topological changes in the magnetic field of LQ Hya during ..:
Lehtinen, J. J
;
Käpylä, M. J
;
Hackman, T
...
info:eu-repo/grantAgreement/EC/H2020/818665/EU//UniSDyn Funding Information: Acknowledgements. M.J.K. and J.J.L. acknowledge the Academy of Finland "ReSoLVE". Centre of Excellence (project number 307411) and the Max Planck Research Group 'SOLSTAR' funding. T.H. acknowledges the financial support from the Academy of Finland for the project SOLSTICE (decision no. 324161). T.W. acknowledges financial support from the Alfred Kordelin foundation. This project has received funding from the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme (grant agreement no. 818665 "UniSDyn"). The automated astronomy program at Tennessee State University has been supported by NASA, NSF, TSU and the State of Tennessee through the Centers of Excellence program. The authors thank Lúcia Duarte for helpful discussions about the model–observation comparisons. Publisher Copyright: © ESO 2022.. , 2022
Link:
https://aaltodoc.aalto.f..
?
6
Zeeman-Doppler imaging of five young solar-type stars:
Willamo, T
;
Lehtinen, J. J
;
Hackman, T
...
http://arxiv.org/abs/2110.06729. , 2021
Link:
http://arxiv.org/abs/211..
?
7
Revised GLE database : Fluences of solar energetic particle..:
Usoskin, Dmitry
;
Koldobskiy, S
;
Kovaltsov, G. A
...
10.1051/0004-6361/202038272. , 2020
Link:
http://hdl.handle.net/10..
?
8
Shapes of stellar activity cycles:
Willamo, T
;
Hackman, T
;
Lehtinen, J. J
...
Astronomy and Astrophysics. , 2020
Link:
https://aaltodoc.aalto.f..
?
9
Shapes of stellar activity cycles:
Willamo, T
;
Hackman, T
;
Lehtinen, J. J
...
http://arxiv.org/abs/2002.04300. , 2020
Link:
http://arxiv.org/abs/200..
?
10
Revised GLE database:fluences of solar energetic particles ..:
Usoskin, I. (I.)
;
Koldobskiy, S. (S.)
;
Kovaltsov, G. A. (G. A.)
... , 2020
Link:
http://urn.fi/urn:nbn:fi..
?
11
Starspot activity of HD199178 Doppler images from 1994-2017:
Hackman, T
;
Ilyin, I
;
Lehtinen, J. J
...
Astronomy & Astrophysics. , 2019
Link:
https://aaltodoc.aalto.f..
?
12
Analysis of Ground Level Enhancements (GLE) : Extreme solar..:
Asvestari, E
;
Willamo, T
;
Gil, A
...
10.1016/j.asr.2016.08.043. , 2019
Link:
http://hdl.handle.net/10..
?
13
Updated sunspot group number reconstruction for 1749-1996 u..:
Willamo, T
;
Usoskin, I. G
;
Kovaltsov, G. A
10.1051/0004-6361/201629839. , 2019
Link:
http://hdl.handle.net/10..
?
14
Time-series analysis of long-term photometry of BM Canum Ve..:
Siltala, L
;
Jetsu, L
;
Hackman, T
...
10.1002/asna.201613205. , 2019
Link:
http://hdl.handle.net/10..
?
15
Long-term spot monitoring of the young solar analogue V889 ..:
Willamo, T
;
Hackman, T
;
Lehtinen, J. J
...
10.1051/0004-6361/201834562. , 2019
Link:
http://hdl.handle.net/10..
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