ChaHα8

ChaHα8 (also written ChaHa8 when Greek letters are unavailable) is a brown dwarf star 522 light years from Earth discovered in 2007. It was found to have a companion object of 16-20 Jupiter masses in orbit around it with a period of 1590 days and an eccentricity of 0.49.^[1]

References

1. ^ Joergens, V.; A. Mueller (2007). 16-20 Jupiter mass RV companion orbiting the brown dwarf candidate ChaHa8. arXiv:0707.3744. Bibcode 2007ApJ...666L.113J. doi:10.1086/521825.