Publications of Maarit J. Käpylä

Lehtinen, J.; Spada, F.; Käpylä, M. J.; Olspert, N.; Käpylä, P. J.: Common dynamo scaling in slowly rotating young and evolved stars. Nature astronomy 4, pp. 658 - 662 (2020)

Prabhu, A.; Brandenburg, A.; Käpylä, M. J.; Lagg, A.: Helicity proxies from linear polarisation of solar active regions. Astronomy and Astrophysics 641, A46 (2020)

Singh, N. K.; Raichur, H.; Käpylä, M. J.; Rheinhardt, M.; Brandenburg, A.; Käpylä, P. J.: f-mode strengthening from a localised bipolar subsurface magnetic field. Geophysical and Astrophysical Fluid Dynamics 114 (1-2), pp. 196 - 212 (2020)

Warnecke, J.; Käpylä, M. J.: Rotational dependence of turbulent transport coefficients in global convective dynamo simulations of solar-like stars. Astronomy and Astrophysics 642, A66 (2020)

Willamo, T.; Hackman, T.; Lehtinen, J.; Käpylä, M. J.; Olspert, N.; Viviani, M.; Warnecke, J.: Shapes of stellar activity cycles. Astrophysics & Astronomy 638, A69 (2020)

Cole-Kodikara, E. M.; Käpylä, M. J.; Lehtinen, J.; Hackman, T.; Ilyin, I. V.; Piskunov, N.; Kochukhov, O.: Spot evolution on LQ Hya from 2006–2017: temperature maps based on SOFIN and FIES data. Astronomy and Astrophysics 629, A120 (2019)

Hackman, T.; Ilyin, I.; Lehtinen, J.; Kochukhov, O.; Käpylä, M. J.; Piskunov, N.; Willamo, T.: Starspot activity of HD199178: Doppler images from 1994-2017. Astronomy and Astrophysics 625, A79 (2019)

Hackman, T.; Ilyin, I.; Lehtinen, J.; Kochukhov, O.; Käpylä, M. J.; Piskunov, N.; Willamo, T.: Starspot activity of HD 199178: Doppler images from 1994-2017. Astronomy and Astrophysics 625, A79 (2019)

Käpylä, M. J.: Magnetic and rotational quenching of the Λ effect. Astronomy and Astrophysics 622, A195 (2019)

Käpylä, P. J.; Viviani, M.; Käpylä, M. J.; Brandenburg, A.; Spada, F.: Effects of a subadiabatic layer on convection and dynamos in spherical wedge simulations. Geophysical and Astrophysical Fluid Dynamics 113 (1-2), pp. 149 - 183 (2019)

Nikbakhsh, S.; Tanskanen, E. I.; Käpylä, M. J.; Hackman, T.: Differences in the solar cycle variability of simple and complex active regions during 1996–2018. Astronomy and Astrophysics 629, A45 (2019)

Viviani, M.; Käpylä, M. J.; Warnecke, J.; Käpylä, P. J.; Rheinhardt, M.: Stellar Dynamos in the Transition Regime: Multiple Dynamo Modes and Antisolar Differential Rotation. Astrophysical Journal 886 (1), 21 (2019)

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)