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- HD_156668_b abstract "HD 156668 b is an extrasolar planet orbiting the star HD 156668 78.5 light-years away in the constellation Hercules. It has a minimum mass of 3.1 Earth masses. At the time of discovery it was the second least massive planet discovered by the radial velocity method, subject to the mass/inclination degeneracy that affects radial velocity measurements. The only radial velocity planet less massive than this planet is Gliese 581 e, which was discovered on April 21, 2009, and has a minimum mass of 1.94 Earth masses. In addition to this, it has the lowest semi-amplitude, or the speed of the stellar wobble caused by planet's gravity tugging on the star determined by radial velocity, at 2.2 m/s. This planet was discovered on January 6, 2010; it is the 8th planet discovered in 2010 after the first five planets detected by Kepler on January 4 and two planets around HD 9446 on January 5.".
- HD_156668_b wikiPageID "25721292".
- HD_156668_b wikiPageRevisionID "540432178".
- HD_156668_b appMag "8.42".
- HD_156668_b argPeri "0".
- HD_156668_b class "K2V".
- HD_156668_b constell Hercules_(constellation).
- HD_156668_b discoverers "Howard et al.".
- HD_156668_b discoveryDate "2010-01-06".
- HD_156668_b discoveryMethod Doppler_spectroscopy.
- HD_156668_b discoverySite W._M._Keck_Observatory.
- HD_156668_b discoveryStatus "Submitted".
- HD_156668_b distLy "78.5".
- HD_156668_b distPc "24.1".
- HD_156668_b eccentricity "0".
- HD_156668_b hasPhotoCollection HD_156668_b.
- HD_156668_b period "1.26984".
- HD_156668_b planet "b".
- HD_156668_b semiAmp "2.2".
- HD_156668_b semimajor "0.0211".
- HD_156668_b star HD_156668.
- HD_156668_b star "HD+156668".
- HD_156668_b tConj "2454718.57".
- HD_156668_b subject Category:Exoplanets_detected_by_radial_velocity.
- HD_156668_b subject Category:Exoplanets_discovered_in_2010.
- HD_156668_b subject Category:Hercules_(constellation).
- HD_156668_b subject Category:Super-Earths.
- HD_156668_b type CelestialBody.
- HD_156668_b type Planet.
- HD_156668_b type PhysicalBody.
- HD_156668_b comment "HD 156668 b is an extrasolar planet orbiting the star HD 156668 78.5 light-years away in the constellation Hercules. It has a minimum mass of 3.1 Earth masses. At the time of discovery it was the second least massive planet discovered by the radial velocity method, subject to the mass/inclination degeneracy that affects radial velocity measurements.".
- HD_156668_b label "HD 156668 b".
- HD_156668_b label "HD 156668 b".
- HD_156668_b label "HD 156668 b".
- HD_156668_b label "HD 156668 b".
- HD_156668_b label "HD 156668 b".
- HD_156668_b label "HD 156668 b".
- HD_156668_b label "HD 156668 b".
- HD_156668_b label "HD 156668 b".
- HD_156668_b label "HD 156668b".
- HD_156668_b sameAs HD_156668_b.
- HD_156668_b sameAs HD_156668_b.
- HD_156668_b sameAs HD_156668_b.
- HD_156668_b sameAs HD_156668_b.
- HD_156668_b sameAs HD_156668b.
- HD_156668_b sameAs HD_156668_b.
- HD_156668_b sameAs HD_156668_b.
- HD_156668_b sameAs m.09v6hcl.
- HD_156668_b sameAs Q954228.
- HD_156668_b sameAs Q954228.
- HD_156668_b wasDerivedFrom HD_156668_b?oldid=540432178.
- HD_156668_b isPrimaryTopicOf HD_156668_b.