HD 155358 b

HD 155358 b is a gas giant planet that orbits the star HD 155358, located 142 light years away in the constellation Hercules. This planet orbits at a distance about 63% of distance between Earth and the Sun and has a moderate eccentricity. The planet mass is at least 89% of Jupiter, depending on inclination of the orbit and true mass of the star. It takes over half a year to orbit the star.

HD 155358 b
Discovery
Discovered byCochran et al.
Discovery siteUniversity of Texas
Discovery dateMay 10, 2007
Radial velocity
Orbital characteristics
0.628 ± 0.02 AU (93,900,000 ± 3,000,000 km)
Eccentricity0.112±0.037
195±1.1 d
2,453,950
±10.4
162±20
Semi-amplitude34.6±3
StarHD 155358

    See also

    References

    • Cochran, W.; et al. (2007). "A Planetary System Around HD 155358: The Lowest Metallicity Planet Host Star". The Astrophysical Journal. 665 (2): 1407–1412. arXiv:0705.3228. Bibcode:2007ApJ...665.1407C. doi:10.1086/519555.


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