PH1 is a star with 1.53 times the mass of the Sun, and 1.73 times its radius. It is located 3369.71 light years away from the solar system and is estimated to be 2 billion years old, as compared to the Sun which is roughly 4.6 billion years old.
PH1 is known to have 1 exoplanets in orbit around it.
PH1 b was discovered by the Kepler observatory, in 2013-05, using the transit method. Its semi-major axis is 0.65 astronomical units, as compared to Earth's which is 1 astronomical unit. The mass of PH1 b is 168.858 times the mass of Earth. The radius of PH1 b is 6.180 that of Earth. At more than 50 Earth masses, PH1 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn in our solar system.