Lehtinen, J.; Käpylä, M. J.; Olspert,, N.; Spada, F.: A Knee-Point in the Rotation-Activity Scaling of Late-type Stars with a Connection to Dynamo Transitions. (eingereicht)
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, S. 658 - 662 (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 HD 199178: Doppler images from 1994-2017. Astronomy and Astrophysics 625, A79 (2019)
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)
Porceddu, S.; Jetsu, L.; Markkanen, T.; Lyytinen, J.; Kajatkari, P.; Lehtinen, J.; Toivari-Viitala, J.: Algol as Horus in the Cairo Calendar: The Possible Means and the Motives of the Observations. Open Astronomy 27 (1), S. 232 - 263 (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)
Fabbian, D.; Simoniello, R.; Collet, R.; Criscuoli, S.; Korhonen, H.; Krivova, N. A.; Olah, K.; Jouve, L.; Solanki, S. K.; Alvarado-Gomez, J. D.et al.; Booth, R.; Garcia, R. A.; Lehtinen, J.; See, V.: The variability of magnetic activity in solar-type stars. Astron. Nachrichten 338 (7), S. 753 - 772 (2017)
Lehtinen, J.: Doppler imaging active longitudes at the Nordic Optical Telescope. IAU Symposia 340: Long-term datasets for the understanding of solar and stellar magnetic cycles, Jaipur, India (2018)
Bewerbungsfrist 1 Oktober 2023. Promotionsprojekte in Planetenwissenschaften, Sonnenphysik, Astrophysik, Magnetfelder der Sonne, Helioseismologie, Asteroseismologie ...
In der mittleren Korona der Sonne entdeckt ein Forscherteam netzartige, dynamische Plasmastrukturen – und einen wichtigen Hinweis auf den Antrieb des Sonnenwindes.