Lambda Herculis
Star
Lambda Herculis, formally named Maasym, is a star in the constellation of Hercules. From parallax measurements taken during the Gaia mission, it is approximately 393 light-years from the Sun. Wikipedia
Magnitude: 4.41
Constellation: Hercules
Surface temperature: 4,070 K
Luminosity: 400 L☉
Distance: 393 ± 4 ly; (121 ± 1 pc)
Radius: 40 R☉
Surface gravity (log g): 1.30 cgs