32 citations · 62 across the 2 of their papers we have counts for
2 papers
astro-ph.SR2012★ 30 cited
Did the ancient egyptians record the period of the eclipsing binary Algol - the Raging one?
L. Jetsu, S. Porceddu, J. Lyytinen +4
The eclipses in binary stars give precise information of orbital period changes. Goodricke discovered the 2.867 days period in the eclipses of Algol in the year 1783. The irregular…
astro-ph.SR2012★ 32 cited
Spot activity of LQ Hya from photometry between 1988 and 2011
J. Lehtinen, L. Jetsu, T. Hackman +2
We investigate the spot activity of the young chromospherically active main sequence star LQ Hya. Our aims are to identify possible active longitudes, estimate the differential rot…