Tags: Star.
Eta Serpentis (η Ser η Serpentis) is a star in the constellation Serpens. In particular it lies in Serpens Cauda the snake’s tail. The star has an apparent visual magnitude of 3.260 making it visible to the naked eye. Parallax measurements give a distance estimate of 60.5 light-years (18.5 parsecs) from the Earth.This star is larger than the Sun with twice the mass and almost six times the radius.
