A possible long-term activity cycle for ι Horologii: First results from the HKα & SPI-HKα projects

Matías G. Flores, Andrea P. Buccino, Carlos E. Saffe +1

To detect stellar activity cycles and study the possible star-planet interactions (SPI's), we have developed both HK$\alpha$ and SPI-HK$\alpha$ projects since 1999 and 2012 respectively. In…