Publications of Maarit J. Käpylä

Willamo, T.; Hackman, T.; Lehtinen, J.; Käpylä, M. J.; Ilyin, I.; Henry, G. W.; Jetsu, L.; Kochukhov, O.; Piskunov, N.: Long-term spot monitoring of the young solar analogue V889 Herculis. Astronomy and Astrophysics 622, A170 (2019)

Bushby, P.J.; Käpylä, P.J.; Masada, Y.; Brandenburg, A.; Favier, B.; Guervilly, C.; Käpylä, M. J.: Large-scale dynamos in rapidly rotating plane layer convection. Astronomy and Astrophysics 612, A97 (2018)

Käpylä, M. J.; Gent, F. A.; Väisälä, M. S.; Sarson, G. R.: The supernova-regulated ISM: III. Generation of vorticity, helicity, and mean flows. Astronomy and Astrophysics 611, A15 (2018)

Käpylä, P. J.; Käpylä, M. J.; Brandenburg, A.: Small‐scale dynamos in simulations of stratified turbulent convection. Astronomische Nachrichten 339 (2-3), pp. 127 - 133 (2018)

Olspert, N.; Lehtinen, J.; Käpylä, M. J.; Pelt, J.; Grigorievskiy, A.: Estimating activity cycles with probabilistic methods: II. The Mount Wilson Ca H&K data. Astronomy and Astrophysics 619, A6 (2018)

Olspert, N.; Pelt, J.; Käpylä, M. J.; Lehtinen, J.: Estimating activity cycles with probabilistic methods: I. Bayesian generalised Lomb-Scargle periodogram with trend. Astronomy and Astrophysics 615, A111 (2018)

Singh, N. K.; Käpylä, M. J.; Brandenburg, A.; Käpylä, P. J.; Lagg, A.; Virtanen, I.: Bihelical Spectrum of Solar Magnetic Helicity and Its Evolution. The Astrophysical Journal 863 (2), 182 (2018)

Väisälä, M.S.; Gent, F.A.; Juvela, M.; Käpylä, M. J.: The supernova-regulated ISM: IV. A comparison of simulated polarization with Planck observations. Astronomy and Astrophysics 614, A101 (2018)

Viviani, M.; Warnecke, J.; Käpylä, M. J.; Käpylä, P. J.; Olspert, N.; Cole-Kodikara, E. M.; Lehtinen, J.; Brandenburg, A.: Transition from axi- to nonaxisymmetric dynamo modes in spherical convection models of solar-like stars. Astronomy and Astrophysics 616, A 160 (2018)

Warnecke, J.; Rheinhardt, M.; Tuomisto, S.; Käpylä, P. J.; Käpylä, M. J.; Brandenburg, A.: Turbulent transport coefficients in spherical wedge dynamo simulations of solar-like stars. Astronomy and Astrophysics 609, A51 (2018)

Gent, F.A.; Käpylä, M. J.; Warnecke, J.: Long-term variations of turbulent transport coefficients in a solarlike convective dynamo simulation. Astronomische Nachrichten 338 (8), pp. 885 - 895 (2017)

Käpylä, P. J.; Käpylä, M. J.; Olspert, N.; Warnecke, J.; Brandenburg, A.: Convection-driven spherical shell dynamos at varying Prandtl numbers. Astronomy and Astrophysics 599, A4 (2017)

Käpylä, P. J.; Rheinhardt, M.; Brandenburg, A.; Arlt, R.; Käpylä, M. J.; Lagg, A.; Olspert, N.; Warnecke, J.: Extended Subadiabatic Layer in Simulations of Overshooting Convection. Astrophysical Journal Letters 845, L23 (2017)

Pekkilä, J.; Väisälä, M. S.; Käpylä, M. J.; Käpylä, P. J.; Anjum, O.: Methods for compressible fluid simulation on GPUs using high-order finite differences. Computer Physics Communications 217, pp. 11 - 22 (2017)

Pelt, J.; Käpylä, M. J.; Olspert, N.: Method of frequency dependent correlations: investigating the variability of total solar irradiance. Astronomy and Astrophysics 600, A9 (2017)

Tanskanen, E.I.; Snekvik, K.; Slavin, J.A.; Pérez-Suárez, D.; Viljanen, A.; Goldstein, M.; Käpylä, M. J.; Hynönen, R.; Häkkinen, L.V.T.; Mursula, K.: Solar Cycle Occurrence of Alfvénic Fluctuations and Related Geo-Efficiency. Journal of Geophysical Research: Space Physics 122 (10), pp. 9848 - 9857 (2017)

Cole, E.; Brandenburg, A.; Käpylä, P. J.; Käpylä, M. J.: Robustness of oscillatory alpha-squared dynamos in spherical wedges. Astronomy and Astrophysics 593, A134 (2016)

Warnecke, J.; Käpylä, P. J.; Käpylä, M. J.; Brandenburg, A.: Influence of a coronal envelope as a free boundary to global convective dynamo simulations. Astronomy and Astrophysics 596, A115 (2016)

Olspert, N.; Käpylä, M. J.; Pelt, J.: Method for estimating cycle lengths from multidimensional time series: Test cases and application to a massive "in silico" dataset. In: 2016 IEEE International Conference on Big Data (Big Data), pp. 3214 - 3223. 2016 IEEE International Conference on Big Data (Big Data) , Washington, DC, December 05, 2016 - December 08, 2016. (2016)

Viviani, M.; Käpylä, M. J.; Warnecke, J.; Käpylä, P. J.; Rheinhardt, M.; Brandenburg, A.: Solar-like stars' models at increasing rotation rates: magnetic field, velocity field and helicities. Solar Helicities in Theory and Observations: Implications for Space Weather and Dynamo Theory, Stockholm, Schweden (2019)