HW Vir is a star with 0.48 times the mass of the Sun, and NaN times its radius. It is located 560.01 light years away from the solar system.
HW Vir is known to have 1 exoplanets in orbit around it.
HW Vir b was discovered by the McDonald Observatory observatory, in 2012-07, using the eclipse timing variations method. Its semi-major axis is 4.69 astronomical units, as compared to Earth's which is 1 astronomical unit. The mass of HW Vir b is 4605.365 times the mass of Earth. The radius of HW Vir b is 12.300 that of Earth. At more than 50 Earth masses, HW Vir 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.