HD 46568
HD 46568 (HR 2399) is a solitary star in the southern constellation Columba. It is faintly visible to the naked eye with an apparent magnitude of 5.25. Parallax measurements place the object at a distance of 284 light years and is currently receding with a heliocentric radial velocity of . HD 46568 has a stellar classification of G8 III, indicating that it is a yellow giant. At present it has nearly twice the mass of the Sun but at an age of 1.68 billion years it has expanded to 10.66 times the radius of the Sun. It has an effective temperature of , giving it a yellow glow. However, the star's large radius yields a luminosity 60 times that of Sun. HD 46568's metallicity is 69% that of the Sun and it spins with a poorly constrained projected rotational velocity of . References

Columba (constellation)
G-type giants
046568
031165
2399
CD-37 2889
Columbae, 104