Hellenica World

HD 6718

HD 6718 is an 8th magnitude G-type main sequence star located approximately 179 light years away in the constellation Cetus. This star is slightly larger, cooler, brighter, and more massive than our Sun. Also its metal content is seven-eighths as much as the Sun. In 2009, a gas giant planet was found in orbit around the star.
The HD 6718 system[2] Companion
(in order from star) Mass Semimajor axis
(AU) Orbital period
(days) Eccentricity
b ≥1.56+0.11
−0.10 MJ 3.56+0.24
−0.15 2496 ± 176 0.10+0.11


1. ^ a b c d e van Leeuwen, F. (2007). "HIP 5301". Hipparcos, the New Reduction. http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=I/311/hip2&recno=5290. Retrieved 2009-12-06.
2. ^ Naef, D. et al. (2010). "The HARPS search for southern extrasolar planets XXIII. 8 planetary companions to low-activity solar-type stars". Astronomy and Astrophysics 523 (15). doi:10.1051/0004-6361/200913616. http://www.aanda.org/articles/aa/abs/2010/15/aa13616-09/aa13616-09.html. (web Preprint)

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