JL
J. Lehtinen
astro-ph.SRastro-ph.IMstat.APstat.MLastro-ph.EPphysics.hist-phphysics.pop-ph
On Valency
published · living versionsW_twzyqmr7·v1 · currentpublished
Planet Hunters X. KIC 8462852 - Where's the Flux?
with T. S. Boyajian, D. M. LaCourse, S. A. Rappaport, D. Fabrycky +44
1 version
W_7a8q4vfv·v1published
Preprints & journals
30 papers in the corpus · 2011–2024Characterising the stellar differential rotation based on largest-spot statistics from ground-based photometry2410.06076v1 · Mikko Tuomi, Jyri J. Lehtinen, Gregory W. Henry et al.2024 · 0 citationsA&A, 689, A262 (2024)
Surface distribution of small-scale magnetic field on the active cool star LQ Hydrae2312.04136v1 · O. Kochukhov, T. Hackman, J.J. Lehtinen2023 · 6 citationsarXiv
From convective stellar dynamo simulations to Zeeman-Doppler images2306.07838v2 · Thomas Hackman, Oleg Kochukhov, Mariangela Viviani et al.2023 · 7 citationsarXiv
V889 Her: abrupt changes in the magnetic field or differential rotation?2203.13398v2 · Teemu Willamo, Thomas Hackman, Jyri J. Lehtinen et al.2022 · 4 citationsarXiv
Zeeman-Doppler imaging of five young solar-type stars2110.06729v2 · T. Willamo, J. J. Lehtinen, T. Hackman et al.2021 · 24 citationsA&A 659, A71 (2022)
A Knee-Point in the Rotation-Activity Scaling of Late-type Stars with a Connection to Dynamo Transitions2007.00040v2 · Jyri J. Lehtinen, Maarit J. Kapyla, Nigul Olspert et al.2020 · 16 citationsApJ 910 110 (2021)
Hidden magnetic fields of young suns2002.10469v1 · O. Kochukhov, T. Hackman, J.J. Lehtinen et al.2020 · 88 citationsA&A 635, A142 (2020)
Shapes of stellar activity cycles2002.04300v2 · T. Willamo, T. Hackman, J. J. Lehtinen et al.2020 · 12 citationsA&A 638, A69 (2020)
Topological changes in the magnetic field of LQ Hya during an activity minimum1909.11028v2 · Jyri J. Lehtinen, Maarit J. Kapyla, Thomas Hackman et al.2019 · 20 citationsA&A 660, A141 (2022)
Spot evolution on LQ Hya during 2006--2017: temperature maps based on SOFIN and FIES data1904.08713v1 · Elizabeth M. Cole-Kodikara, Maarit J. Kapyla, Jyri J. Lehtinen et al.2019 · 9 citationsA&A 629, A120 (2019)
Starspot activity of HD 199178. Doppler images from 1994--20171812.02013v2 · Thomas Hackman, Iya Ilyin, Jyri J. Lehtinen et al.2018 · 21 citationsA&A 625, A79 (2019)
Long-term spot monitoring of the young solar analogue V889 Her1811.05330v2 · T. Willamo, T. Hackman, J. J. Lehtinen et al.2018 · 16 citationsA&A 622, A170 (2019)
Algol as Horus in the Cairo Calendar: the possible means and the motives of the observations1810.06412v1 · Sebastian Porceddu, Lauri Jetsu, Tapio Markkanen et al.2018 · 5 citationsarXiv
Estimating activity cycles with probabilistic methods I. Bayesian Generalised Lomb-Scargle Periodogram with Trend1712.08235v2 · N. Olspert, J. Pelt, M. J. Kapyla et al.2017 · 10 citationsA&A 615, A111 (2018)
Estimating activity cycles with probabilistic methods II. The Mount Wilson Ca H&K data1712.08240v4 · N. Olspert, J. Lehtinen, M. J. Kapyla et al.2017 · 69 citationsarXiv
Transition from axi- to nonaxisymmetric dynamo modes in spherical convection models of solar-like stars1710.10222v2 · Mariangela Viviani, Jorn Warnecke, Maarit J. Kapyla et al.2017 · 65 citationsA&A 616, A160 (2018)
Do A-type stars flare?1612.04575v1 · M.G. Pedersen, V. Antoci, H. Korhonen et al.2016 · 52 citationsMonthly Notices of the Royal Astronomical Society 2016
General Model for Light curves of Chromospherically Active Binary Stars1612.02163v2 · L. Jetsu, G. W. Henry, J. Lehtinen2016 · 12 citationsarXiv
Magnetic fields of young solar twins1605.03026v1 · L. Ros'en, O. Kochukhov, T. Hackman et al.2016 · 58 citationsA&A 593, A35 (2016)
Time series analysis of long-term photometry of BM Canum Venaticorum1601.03536v4 · L. Siltala, L. Jetsu, T. Hackman et al.2016 · 3 citationsarXiv
Activity trends in young solar-type stars1509.06606v2 · Jyri Lehtinen, Lauri Jetsu, Thomas Hackman et al.2015 · 83 citationsA&A 588, A38 (2016)
Planet Hunters X. KIC 8462852 - Where's the Flux?1509.03622v2 · T. S. Boyajian, D. M. LaCourse, S. A. Rappaport et al.2015 · 289 citationsarXivon Valency
Zeeman-Doppler imaging of active young solar type stars1509.02285v2 · Thomas Hackman, Jyri Lehtinen, Lisa Ros'en et al.2015 · 25 citationsA&A 587, A28 (2016)
Multiperiodicity, modulations and flip-flops in variable star light curves III. Carrier fit analysis of LQ Hya photometry for 1982-20141412.0457v1 · Nigul Olspert, Maarit J. Kapyla, Jaan Pelt et al.2014 · 19 citationsA&A 577, A120 (2015)
Spot activity of the RS CVn star {\sigma} Geminorum1311.1116v1 · P. Kajatkari, T. Hackman, L. Jetsu et al.2013 · 19 citationsarXiv
Periodicity in some light curves of the solar analogue V352 CMa1310.4280v1 · P. Kajatkari, L. Jetsu, E. Cole et al.2013 · 4 citationsarXiv
Flip-flops of FK Comae Berenices1211.0914v2 · Thomas Hackman, Jaan Pelt, Maarit J. Mantere et al.2012 · 49 citationsarXivon Valency
Did the ancient egyptians record the period of the eclipsing binary Algol - the Raging one?1204.6206v2 · L. Jetsu, S. Porceddu, J. Lyytinen et al.2012 · 30 citationsarXiv
Spot activity of LQ Hya from photometry between 1988 and 20111203.1555v2 · J. Lehtinen, L. Jetsu, T. Hackman et al.2012 · 32 citationsarXiv
Analysing the active longitudes of the young solar analogue HD 116956 using Bayesian statistics1103.0663v1 · J. Lehtinen, L. Jetsu, M. J. Mantere2011 · 2 citationsarXiv
Career total: 85 works. 30 are in this corpus.
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