Publications of Jörn Warnecke

Zhuleku, J.; Warnecke, J.; Peter, H.: Stellar X-rays and magnetic activity in 3D MHD coronal models. Astronomy and Astrophysics 652, A32 (2021)

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)

Warnecke, J.; Bingert, S.: Non-Fourier description of heat flux evolution in 3D MHD simulations of the solar corona. Geophysical and Astrophysical Fluid Dynamics 114 (1-2), pp. 261 - 281 (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)

Zhuleku, J.; Warnecke, J.; Peter, H.: Stellar coronal X-ray emission and surface magnetic flux. Astronomy and Astrophysics 640, A119 (2020)

Losada, I. R.; Warnecke, J.; Brandenburg, A.; Kleeorin, N.; Rogachevskii, I.: Magnetic bipoles in rotating turbulence with coronal envelope. Astronomy and Astrophysics 621, A61 (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)

Warnecke, J.; Peter, H.: Data-driven model of the solar corona above an active region. Astronomy and Astrophysics 624, L12 (2019)

Boro Saikia, S.; Marvin, C. J.; Jeffers, S. V.; Reiners, A.; Cameron, R. H.; Marsden, S. C.; Petit, P.; Warnecke, J.; Yadav, A. P.: Chromospheric activity catalogue of 4454 cool stars: Questioning the active branch of stellar activity cycles. Astronomy and Astrophysics 616, A108 (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.: Dynamo cycles in global convection simulations of solar-like stars. Astronomy and Astrophysics 616, A72 (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)

Warnecke, J.; Chen, F.; Bingert, S.; Peter, H.: Current systems of coronal loops in 3D MHD simulations. Astronomy and Astrophysics 607, A 53 (2017)

Käpylä, M. J.; Käpylä, P. J.; Olpert, N.; Brandenburg, A.; Warnecke, J.; Karak, B. B.; Pelt, J.: Multiple dynamo modes as a mechanism for long-term solar activity variations. Astronomy and Astrophysics 589, A56 (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)

Warnecke, J.; Losada, I. R.; Brandenburg, A.; Kleeorin, N.; Rogachevskii, I.: Bipolar region formation in stratified two-layer turbulence. Astronomy and Astrophysics 589, A125 (2016)

Peter, H.; Warnecke, J.; Chitta, L. P.; Cameron, R. H.: Limitations of force-free magnetic field extrapolations: Revisiting basic assumptions. Astronomy and Astrophysics 584, A68 (2015)