The exoplanet HD 20794 d has a highly elliptical orbit that is only partly in the habitable zone.
An article published in the journal “Astronomy & Astrophysics” reports the identification of the exoplanet that was cataloged as HD 20794 d. A team of researchers used data collected in more than twenty years with two spectrographs: ESPRESSO, mounted on the VLT, and HARPS, at the La Silla Observatory, both of ESO in Chile, to identify HD 20794 d and define its orbit and characteristics. The analysis indicates that it’s a super-Earth with a mass almost six times the Earth’s with a highly elliptical orbit that brings it into the habitable zone of its star system for part of its year.
