BD+45 564 is a star with 0.81 times the mass of the Sun, and 0.81 times its radius. It is located 174.89 light years away from the solar system.
BD+45 564 is known to have 1 exoplanets in orbit around it.
BD+45 564 b was discovered by the Haute-Provence Observatory observatory, in 2021-05, using the radial velocity method. Its semi-major axis is 0.83 astronomical units, as compared to Earth's which is 1 astronomical unit. The mass of BD+45 564 b is 432.480 times the mass of Earth. The radius of BD+45 564 b is 13.600 that of Earth. At more than 50 Earth masses, BD+45 564 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.