Nigul Olspert

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Research Output

14 Article
1 Conference contribution
1 Doctoral Thesis

Sensitivity to luminosity, centrifugal force, and boundary conditions in spherical shell convection

Käpylä, P. J., Gent, F. A., Olspert, N., Käpylä, M. J. & Brandenburg, A., 14 Apr 2020, In : GEOPHYSICAL AND ASTROPHYSICAL FLUID DYNAMICS. 114, 1-2, p. 8-34

Research output: Contribution to journal › Article › Scientific › peer-review

3 Citations (Scopus)

Estimating activity cycles with probabilistic methods I. Bayesian Generalised Lomb-Scargle Periodogram with Trend

Olspert, N., Pelt, J., Käpylä, M. J. & Lehtinen, J. J., Jul 2018, In : Astronomy and Astrophysics. 615, p. 1-13 A111.

Research output: Contribution to journal › Article › Scientific › peer-review

Open Access

File

112 Downloads (Pure)

Estimating activity cycles with probabilistic methods II: The Mount Wilson Ca H&K data

Olspert, N., Lehtinen, J. J., Käpylä, M. J., Pelt, J. & Grigorievskiy, A., 2018, In : Astronomy and Astrophysics. 619, p. 1-20 A6.

Research output: Contribution to journal › Article › Scientific › peer-review

Open Access

File

85 Downloads (Pure)

From periodic to cyclic processes in stellar magnetic activity research: time series analysis methods and their applications

Olspert, N., 2018, Aalto University. 240 p.

Research output: Thesis › Doctoral Thesis › Collection of Articles

Open Access

Transition from axi- to nonaxisymmetric dynamo modes in spherical convection models of solar-like stars

Viviani, M., Warnecke, J., Käpylä, M. J., Käpylä, P. J., Olspert, N., Cole-Kodikara, E. M., Lehtinen, J. J. & Brandenburg, A., 1 Aug 2018, In : Astronomy and Astrophysics. 616, p. 1-19 A160.

Research output: Contribution to journal › Article › Scientific › peer-review

Open Access

File

13 Citations (Scopus)

90 Downloads (Pure)

Projects

1 Finished

ReSolve 2017-19

Käpylä, M., Olspert, N., Gent, F., Käpylä, P. & Rheinhardt, M.

01/01/2017 → 31/12/2019

Project: Academy of Finland: Other research funding

Activities

3 Visit abroad
1 Membership of an organizing committee or other positions of trust of a conference or a seminar
1 Organization of a workshop, panel, session or tutorial
1 Hosting a visitor
1 More
- 1 Conference presentation

Axel Brandenburg's 60th Birthday Symposium

Frederick Gent (Chair), Axel Brandenburg (Organiser), Matthias Rheinhardt (Organiser), Nigul Olspert (Organiser), Maarit Käpylä (Organiser), Cetin Can Evirgen (Organiser), Jörn Warnecke (Organiser), Nishant K. Singh (Organiser), Petri Käpylä (Organiser)

Sep 2018 → May 2019

Activity: Participating in or organising an event types › Membership of an organizing committee or other positions of trust of a conference or a seminar