Category
page 1Subgiant stars

subgiant
A subgiant is a star that is brighter than a normal main-sequence star of the same spectral class, but not as bright as giant stars. The term subgiant is applied both to a particular spectral luminosity class and to a stage in the evolution of a star.
Hertzsprung gap
feature of the Hertzsprung-Russell diagram
35 Cancri
star in the constellation Cancer