Centre of Excellence Research on Solar Long-Term Variability and Effects, ReSoLVE

Research Output

2017

Parallelizable sparse inverse formulation Gaussian processes (SpInGP)

Grigorevskiy, A., Lawrence, N. & Särkkä, S., 2017, 2017 IEEE International Workshop on Machine Learning for Signal Processing, MLSP 2017 - Proceedings. IEEE, 7 p. (IEEE International Workshop on Machine Learning for Signal Processing).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
2 Citations (Scopus)

Solar Cycle Occurrence of Alfvénic Fluctuations and Related Geo-Efficiency

Tanskanen, E., Snekvik, K., Slavin, J. A., Pérez-Suárez, D., Viljanen, A., Goldstein, M. L., Käpylä, M. J., Hynönen, R., Häkkinen, L. V. T. & Mursula, K., 2017, In : Journal of geophysical research: Space physics. 122, 10, p. 9848-9857 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
4 Citations (Scopus)
186 Downloads (Pure)

Supernova-regulated ISM. V. Space and Time Correlations

Hollins, J. F., Sarson, G. R., Shukurov, A., Fletcher, A. & Gent, F. A., 20 Nov 2017, In : Astrophysical Journal. 850, 1, p. 1-18

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
3 Citations (Scopus)
183 Downloads (Pure)

The distribution of mean and fluctuating magnetic fields in the multiphase interstellar medium

Evirgen, C. C., Gent, F. A., Shukurov, A., Fletcher, A. & Bushby, P., 1 Jan 2017, In : Monthly Notices of the Royal Astronomical Society. 464, p. L105-L109

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
98 Downloads (Pure)
2016

Gaussian Process Kernels for Popular State-Space Time Series Models

Grigorevskiy, A. & Karhunen, J., Jul 2016, Proc. of the Int. Joint. Conf. on Neural Networks (IJCNN 2016): (IJCNN 2016), Vancouver, Canada, July 2016. IEEE, p. 3354-3363 (International joint conference on neural networks).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
File
3 Citations (Scopus)
171 Downloads (Pure)

Influence of a coronal envelope as a free boundary to global convective dynamo simulations

Warnecke, J., Käpylä, P. J., Käpylä, M. J. & Brandenburg, A., 1 Dec 2016, In : Astronomy and Astrophysics. 596, A115.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
22 Citations (Scopus)
105 Downloads (Pure)

Magnetic fields of young solar twins

Rosén, L., Kochukhov, O., Hackman, T. & Lehtinen, J., 1 Sep 2016, In : Astronomy and Astrophysics. 593, p. 1-24 24 p., A35.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
20 Citations (Scopus)
91 Downloads (Pure)

Magnetic flux concentrations from turbulent stratified convection

Käpylä, P. J., Brandenburg, A., Kleeorin, N., Käpylä, M. J. & Rogachevskii, I., 1 Apr 2016, In : Astronomy and Astrophysics. 588, p. 1-13 A150.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
21 Citations (Scopus)
93 Downloads (Pure)

Multiple dynamo modes as a mechanism for long-term solar activity variations

Käpylä, M., Käpylä, P., Olspert, N., Brandenburg, A., Warnecke, J., Karak, B. B. & Pelt, J., May 2016, In : Astronomy and Astrophysics. 589, 24 p., 56.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
96 Downloads (Pure)

Numerical Simulations of Convection with Kramers Opacity

Käpylä, P., Rheinhardt, M., Käpylä, M. & Brandenburg, A., 2016, (In preparation) In : Astronomy and Astrophysics.

Research output: Contribution to journalArticleScientificpeer-review

Robustness of oscillatory α 2 dynamos in spherical wedges

Cole, E., Brandenburg, A., Käpylä, P. J. & Käpylä, M. J., 1 Sep 2016, In : Astronomy and Astrophysics. 593, p. 1-9 A134.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
6 Citations (Scopus)
92 Downloads (Pure)

Singular Value Decomposition update and its application to (Inc)-OP-ELM

Grigorevskiy, A., Miche, Y., Käpylä, M. & Lendasse, A., 22 Jan 2016, In : Neurocomputing. 174, p. 99-108 10 p.

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)

Zeeman-Doppler imaging of active young solar-type stars

Hackman, T., Lehtinen, J., Rosén, L., Kochukhov, O. & Käpylä, M. J., 1 Mar 2016, In : Astronomy and Astrophysics. 587, p. 1-7 A28.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
10 Citations (Scopus)
154 Downloads (Pure)
2015

Doppler imaging of LQ Hydrae for 1998-2002

Cole, E. M., Hackman, T., Käpylä, M. J., Ilyin, I., Kochukhov, O. & Piskunov, N., 2015, In : Astronomy and Astrophysics. 581, 9 p., A69.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
5 Citations (Scopus)
145 Downloads (Pure)

Dynamical quenching with non-local alpha and downward pumping

Brandenburg, A., Hubbard, A. & Käpylä, P., 2015, In : Astronomische Nachrichten. 336, 1, p. 91-96

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Magnetically controlled stellar differential rotation near the transition from solar to anti-solar profiles

Karak, B. B., Käpylä, P. J., Käpylä, M. J., Brandenburg, A., Olspert, N. & Pelt, J., 2015, In : Astronomy and Astrophysics. 576, 17 p., A26.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
47 Citations (Scopus)
57 Downloads (Pure)

Multiperiodicity, modulations, and flip-flops in variable star light curves - III. Carrier fit analysis of LQ Hydrae photometry for 1982-2014

Olspert, N., Käpylä, M. J., Pelt, J., Cole, E. M., Hackman, T., Lehtinen, J. & Henry, G. W., 2015, In : Astronomy and Astrophysics. 577, 13 p., A120.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
1 Citation (Scopus)
41 Downloads (Pure)

Statistical Study of Strong and Extreme Geomagnetic Disturbances and Solar Cycle Characteristics

Kilpua, E. K. J., Olspert, N., Grigorevskiy, A., Käpylä, M., Tanskanen, E. I., Miyahara, H., Kataoka, R., Pelt, J. & Liu, Y. D., 2015, In : Astrophysical Journal. 806, 2, p. 272

Research output: Contribution to journalArticleScientificpeer-review

21 Citations (Scopus)

Testing turbulent closure models with convection simulations

Snellman, J. E., Käpylä, P., Käpylä, M., Rheinhardt, M. & Dintrans, B., 2015, In : Astronomische Nachrichten. 336, 1, p. 32-52

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)

The Maunder minimum (1645-1715) was indeed a grand minimum: A reassessment of multiple datasets

Usoskin, I. G., Arlt, R., Asvestari, E., Hawkins, E., Käpylä, M., Kovaltsov, G. A., Krivova, N., Lockwood, M., Mursula, K., "O'Reilly", J., Owens, M., Scott, C. J., Sokoloff, D. D., Solanki, S. K., Soon, W. & Vaquero, J. M., 2015, In : Astronomy and Astrophysics. 581, 19 p., A95.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
90 Citations (Scopus)
106 Downloads (Pure)
2014

An Azimuthal dynamo wave in spherical shell convection

Cole, E., Käpylä, P. J., Mantere, M. J. & Brandenburg, A., 2014, In : Astrophysical Journal Letters. 780, 2, 6 p., L22.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
20 Citations (Scopus)
88 Downloads (Pure)

Confirmation of bistable stellar differential rotation profiles

Käpylä, P. J., Käpylä, M. J. & Brandenburg, A., 2014, In : Astronomy and Astrophysics. 570, 10 p., A43.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
50 Citations (Scopus)
96 Downloads (Pure)

Doppler images of DI Piscium during 2004-2006

Lindborg, M., Hackman, T., Mantere, M. J., Korhonen, H., Ilyin, I., Kochukhov, O. & Piskunov, N., 2014, In : Astronomy and Astrophysics. 562, 7 p., A139.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
2 Citations (Scopus)
81 Downloads (Pure)

High-resolution ammonia mapping of the very young protostellar core Chamaeleon-MMS1

Väisälä, M. S., Harju, J., Mantere, M. J., Miettinen, O., Sault, R. S., Walmsley, C. M. & Whiteoak, J. B., 2014, In : Astronomy and Astrophysics. 564, 15 p., A99.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
5 Citations (Scopus)
106 Downloads (Pure)

On the cause of solar-like equatorward migration in global convective dynamo simulations

Warnecke, J., Käpylä, P. J., Käpylä, M. J. & Brandenburg, A., 2014, In : Astrophysical Journal Letters. 796, 1, 6 p., L12.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
32 Citations (Scopus)
97 Downloads (Pure)

Quantifying the effect of turbulent magnetic diffusion on the growth rate of the magneto-rotational instability

Väisälä, M. S., Brandenburg, A., Mitra, D., Käpylä, P. J. & Mantere, M. J., 2014, In : Astronomy and Astrophysics. 567, 10 p., A139.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
3 Citations (Scopus)
141 Downloads (Pure)

Quenching and anisotropy of hydromagnetic turbulent transport

Karak, B. B., Rheinhardt, M., Brandenburg, A., Käpylä, P. J. & Käpylä, M. J., 2014, In : Astrophysical Journal. 795, 1, 16 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
18 Citations (Scopus)
112 Downloads (Pure)
2013

Multiperiodicity, modulations and flip-flops in variable star light curves: II. Analysis of II Pegasus photometry during 1979-2010

Lindborg, M., Mantere, M. J., Olspert, N., Pelt, J., Hackman, T., Henry, G. W., Jetsu, L. & Strassmeier, K. G., 2013, In : Astronomy and Astrophysics. 559, p. 1-10 A97.

Research output: Contribution to journalArticleScientificpeer-review

13 Citations (Scopus)