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14 Herculis b
Extrasolar planet in the constellation Hercules / From Wikipedia, the free encyclopedia
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14 Herculis b or 14 Her b is an exoplanet approximately 58.4 light-years away in the constellation of Hercules. The planet was found orbiting the star 14 Herculis, with a mass that would make the planet a Jovian planet roughly the same size as Jupiter but much more massive. It was discovered in July 1998 by the Geneva Extrasolar Planet Search team.[5][6] The discovery was formally published in 2003.[2] At the time of discovery it was the extrasolar planet with the longest orbital period, though longer-period planets have subsequently been discovered.
Quick Facts Discovery, Discovered by ...
![]() The exoplanet 14 Herculis b as rendered by Celestia | |
Discovery[1][2] | |
---|---|
Discovered by | Naef et al.; Butler et al. |
Discovery site | Switzerland |
Discovery date | 6 July 1998 (announced) January 2003 (published) |
Doppler spectroscopy | |
Designations | |
HD 145675 b | |
Orbital characteristics[3] | |
2.845+0.038 −0.039 AU[4] | |
Eccentricity | 0.372±0.001 |
1767.56±0.22 d 4.8393±0.0006 yr | |
Inclination | 35.7°±3.2° |
276°±5° | |
2,451,368.0±0.5 JD | |
22.28°±0.15° | |
Semi-amplitude | 90.38±0.15 m/s |
Star | 14 Herculis |
Physical characteristics[3] | |
Mass | 8.5+1.0 −0.8 MJ |
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