Ilpo Virtanen

3 works

ReSoLVE Centre of Excellence, Space Climate Research Unit, University of Oulu, POB 3000, 90014, Oulu, Finland

1. Tilt of Sunspot Bipoles in Solar Cycles 15 to 24

   K. A. Tlatova, A. Tlatov, Alexei Pevtsov +7

   ArticleSolar and Space Plasma DynamicsSolar Physics20184 citations

   ABIABI:AkademIndex/openalex/2018.article.000045

2. Reconstructing solar magnetic fields from historical observations

   Alexei Pevtsov, K. A. Tlatova, Alexander Pevtsov +7

   ArticleSolar and Space Plasma DynamicsAstronomy and Astrophysics20191 citations

   ABIABI:AkademIndex/openalex/2019.article.000140

3. Reconstructing solar magnetic fields from historical observations V. Sunspot magnetic field measurements at Mount Wilson Observatory

   Alexei Pevtsov, K. A. Tlatova, Alexander Pevtsov +7

   ArticleSolar and Space Plasma DynamicsarXiv (Cornell University)20190 citations

   ABIABI:AkademIndex/openalex/2019.article.001048