40 Eridani is a triple star system consisting of a K-type main-sequence star, a white dwarf, and a red dwarf, about 16.34 light-years away in the constellation of Eridanus. It is most famously portrayed in science fiction as the home system of the Vulcans in Star Trek.
In 2018, a planet half the mass of Neptune was discovered orbiting the primary star. However, starting in 2021, follow-up studies suggested that the planet itself does not exist, and it took another two years to disprove it further upon reanalysis of its RV data concluding that it is indeed stellar activity and not that of a planet
How to install add-ons? Find out here.