The star has a mass of roughly 1 solar mass .
The star has a radius of 2 solar radii , due to the star 's age , which means that it has n't fully contracted yet to become a main - sequence star .
The star has a mass of roughly 1 solar mass , but has a radius of 2 solar radii , due to the star 's age , which means that it has n't fully contracted yet to become a main - sequence star .