CPS members recently teamed up with astronomers from McDonald Observatory to discover and characterize a Jovian exoplanet on an eccentric (egg-shaped) orbit, which we affectionately call “Planet Pi.”* The CPS team has been observing the star HR 5183 for over 20 years as part of a radial velocity (RV) survey looking for giant planets with long orbital periods. RV astronomers look for planets around a star by measuring its speed…
