Jyri Lehtinen

Research outputs

  1. 2019
  2. Published

    Spot evolution on LQ Hya from 2006-2017: temperature maps based on SOFIN and FIES data

    Cole-Kodikara, E. M., Kaepylae, M. J., Lehtinen, J. J., Hackman, T., Ilyin, I., Piskunov, N. & Kochukhov, O., 13 Sep 2019, In : Astronomy & Astrophysics. 629, p. 1-9 9 p., 120.

    Research output: Contribution to journalArticleScientificpeer-review

  3. 2018
  4. Published

    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 journalArticleScientificpeer-review

  5. Published

    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 journalArticleScientificpeer-review

  6. Published

    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 journalArticleScientificpeer-review

  7. 2016
  8. Published

    Magnetic fields of young solar twins

    Rosén, L., Kochukhov, O., Hackman, T. & Lehtinen, J., 1 Sep 2016, In : Astronomy and Astrophysics. 593, p. 1-24 24 p., A35.

    Research output: Contribution to journalArticleScientificpeer-review

  9. 2015
  10. Published

    Multiperiodicity, modulations, and flip-flops in variable star light curves - III.Carrier fit analysis of LQ Hydrae photometry for 19822014

    Olspert, N., Käpylä, M. J., Pelt, J., Cole, E. M., Hackman, T., Lehtinen, J. & Henry, G. W., 2015, In : Astronomy and Astrophysics. 577, 13 p., A120.

    Research output: Contribution to journalArticleScientificpeer-review

ID: 1754425