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| Discovery | |
|---|---|
| Discovered by | Vogt et al. |
| Discovery site | Keck Observatory Anglo-Australian Observatory |
| Discovery date | 2009-12-14 |
| Radial velocity | |
| Orbital characteristics | |
| 0.0634±0.0022 AU | |
| Eccentricity | <0.131[1] |
| 5.77152±0.00045[1] d | |
| Semi-amplitude | 2.28±0.15[1] |
| Star | HD 1461 |
HD 1461 b is an extrasolar planet, orbiting the 6th magnitude G-type star HD 1461, 76.5 light years away in the constellation Cetus. This planet has a minimum mass 6.4 times that of Earth and orbits at a distance of 0.0634 AU with an eccentricity of less than 0.131. It is currently unknown whether the planet is a gas giant like Uranus or Neptune, or has terrestrial composition like CoRoT-7b. This planet was announced on 13 December 2009 after it was discovered using radial velocity measurements taken at the Keck and Anglo-Australian Observatories.[2][3]
- ^ a b c Cite error: The named reference
Díaz2016was invoked but never defined (see the help page). - ^ Cite error: The named reference
Rivera2010was invoked but never defined (see the help page). - ^ Tim Stephens (2009-12-13). "New planet discoveries suggest low-mass planets are common around nearby stars". UCSC News. UC Santa Cruz. Retrieved 2018-10-06.
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