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- HD_139357_b abstract "HD 139357 b is a very massive extrasolar planet or brown dwarf located approximately 390 light years away, orbiting the 6th magnitude K-type giant star HD 139357 in the constellation of Draco. The detection occurred on March 20, 2009, which was the first day of spring.The actual mass and radius of this body remain known, but it has a minimum mass of nearly 10 times that of Jupiter and a radius of probably no more than 1.2 times Jupiter's. Most likely this is a brown dwarf rather than a planet. The reason why the object's true mass is unknown is due to the undetermined inclination of its orbital plane. Follow up observations via direct imaging may determine its radius and orbital inclination, thereby giving its density and surface gravity, which will allow a determination as to whether this object is a brown dwarf or a supermassive planet.As it is typical for supermassive planets, this orbits further from its host star than Earth is from the Sun. The planet’s year is over three Earth years. However, the orbital eccentricity of this object is much greater than Earth's: 0.1 vs. 0.017. Like most known extrasolar planets, it was detected by the wobble method, which detects planets through the circular wobbling motion of the star caused by the gravity of orbiting body.".
- HD_139357_b wikiPageID "22280219".
- HD_139357_b wikiPageRevisionID "582062152".
- HD_139357_b angDist "19.4".
- HD_139357_b apastron "2.6".
- HD_139357_b appMag "5.977".
- HD_139357_b argPeri "235.4".
- HD_139357_b class "K4III".
- HD_139357_b colwidth "30".
- HD_139357_b constell Draco_(constellation).
- HD_139357_b discoverers "Doellinger et al.".
- HD_139357_b discoveryDate "2009-03-20".
- HD_139357_b discoveryMethod Doppler_spectroscopy.
- HD_139357_b discoverySite "TLS".
- HD_139357_b discoveryStatus "Published".
- HD_139357_b distLy "390".
- HD_139357_b distPc "118".
- HD_139357_b eccentricity "0.1".
- HD_139357_b hasPhotoCollection HD_139357_b.
- HD_139357_b periastron "2.12".
- HD_139357_b period "1125.7".
- HD_139357_b periodYear "3.0819".
- HD_139357_b planet "b".
- HD_139357_b semimajor "2.36".
- HD_139357_b star HD_139357.
- HD_139357_b star "HD+139357".
- HD_139357_b tPeri "2452466.7".
- HD_139357_b subject Category:Draco_(constellation).
- HD_139357_b subject Category:Exoplanets.
- HD_139357_b subject Category:Exoplanets_detected_by_radial_velocity.
- HD_139357_b subject Category:Exoplanets_discovered_in_2009.
- HD_139357_b subject Category:Gas_giants.
- HD_139357_b type CelestialBody.
- HD_139357_b type Planet.
- HD_139357_b type PhysicalBody.
- HD_139357_b comment "HD 139357 b is a very massive extrasolar planet or brown dwarf located approximately 390 light years away, orbiting the 6th magnitude K-type giant star HD 139357 in the constellation of Draco. The detection occurred on March 20, 2009, which was the first day of spring.The actual mass and radius of this body remain known, but it has a minimum mass of nearly 10 times that of Jupiter and a radius of probably no more than 1.2 times Jupiter's. Most likely this is a brown dwarf rather than a planet.".
- HD_139357_b label "HD 139357 b".
- HD_139357_b label "HD 139357 b".
- HD_139357_b sameAs HD_139357_b.
- HD_139357_b sameAs m.05q5ckt.
- HD_139357_b sameAs Q4039855.
- HD_139357_b sameAs Q4039855.
- HD_139357_b wasDerivedFrom HD_139357_b?oldid=582062152.
- HD_139357_b isPrimaryTopicOf HD_139357_b.