HD 43197 is a star with an exoplanetary companion in the southern constellation of Canis Major.
It has been given the proper name Amadioha, as selected by Nigeria during the NameExoWorlds campaign that celebrated the 100th anniversary of the IAU.
The system is located at a distance of 204 light-years from the Sun based on parallax measurements, and is drifting further away with a radial velocity of +72 km/s.
[4] The star's age is estimated to be at least three billion years[5] and it is modelled to be right at the end of its main sequence life.
[5] The planet spends ~78% of its orbital period in the habitable zone of the host star, although temperatures can reach 716 K during periastron passage.