Eta Cancri

Eta Cancri is a single, orange-hued star in the zodiac constellation of Cancer. Its name is a Bayer designation that is Latinied from η Cancri, and abbreviated Eta Cnc or η Cnc. This is a faint star but visible to the naked eye with an apparent visual magnitude of 5.34. The annual parallax shift of as seen from Earth yields a distance estimate of from the Sun. It is moving further away with a radial velocity of +22 km/s. Due to its proximity to the ecliptic, it is subject to lunar occultations.
A stellar classification of K3 III for Eta Cancri indicates that, at the estimated age of 3.9 billion years old, it has left the main sequence and become an evolved giant star. The spectrum shows unusually strong absorption lines of cyanogen. It has 1.5 times the mass of the Sun and has expanded to 17 times the Sun's radius. The star is radiating 87 times the Sun's luminosity from its photosphere at an effective temperature of around 4,415 K.
In Chinese astronomy, Ghost refers to an asterism consisting of Theta Cancri, Eta Cancri, Gamma Cancri and Delta Cancri. Eta Cancri itself is the second star of Ghost, following the designation from its determinative star from east to west.