BD+14 4559 b
BD+14 4559 b, named Pirx, is an exoplanet orbiting the K-type main sequence star BD+14 4559 about 161 light-years from Earth in the constellation Pegasus. Wikipedia
Discovered: June 10, 2009
Discovered by: Andrzej Niedzielski
Apparent magnitude (V): 9.63
Argument of periastron: 87.64 ± 7.87
Detection method: radial velocity
Orbital period (sidereal): 268.94 ± 0.99 d
Semi-major axis: 0.777 AU (116,200,000 km)