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- Nu_Ophiuchi abstract "Nu Ophiuchi (ν Oph, ν Ophiuchi) is a star in the equatorial constellation of Ophiuchus. This star is sometimes called by the name Sinistra, meaning left side in Latin. The apparent visual magnitude is +3.3, making it one of the brighter members of this constellation. Based upon parallax measurements made during the Hipparcos mission, this star is located about 151 light-years (46 parsecs) from Earth.In China, the star is part of 天市左垣 (Tiān Shì Zuǒ Yuán), meaning Left Wall of Heavenly Market Enclosure. The stars in this group include ν Ophiuchi, δ Herculis, λ Herculis, μ Herculis, ο Herculis, 112 Herculis, ζ Aquilae, θ1 Serpentis, η Serpentis, ξ Serpentis and η Ophiuchi. Consequently, ν Ophiuchi itself is known as 天市左垣九 (Tiān Shì Zuǒ Yuán jiǔ, English: the Ninth Star of Left Wall of Heavenly Market Enclosure), and together with ζ Capricorni represents the state Yan (燕) in the Twelve States constellation.Nu Ophiuchi has about three times the mass of the Sun and is roughly 330 million years old. The spectrum of the star matches a stellar classification of K0 IIIa, indicating it is a giant star that has exhausted the supply of hydrogen at its core and evolved away from the main sequence of stars like the Sun. Unusually, it displays an anomalously low abundance of cyanogen for a star of its type. The star's outer envelope has expanded to around 14 times the Sun's radius and now radiates 123 times as much luminosity of the Sun. This energy is being emitted from its outer envelope at an effective temperature of 4,928 K, giving it the cool, orange hue of a K-type star.This is not a binary star system in the sense of having a gravitationally-bound stellar companion. However, in early 2004, a brown dwarf companion Nu Ophiuchi b was discovered. This sub-stellar companion has at least 21.9 times the mass of Jupiter and takes 536 days (1.47 years) to complete an orbit. A second brown dwarf companion was discovered in 2010, orbiting further from the star with a period of 3,169 days (8.68 years). These have been confirmed in 2012.This star is following an orbit through the galaxy that carries the star between 23.4–29.2 kly (7.2–9.0 kpc) from the Galactic Center. As a probable member of the Milky Way's thin disk population, it has a low orbital inclination that carries it no more than about 100 ly (31 pc) above the galactic plane.".
- Nu_Ophiuchi thumbnail Ophiuchus_IAU.svg?width=300.
- Nu_Ophiuchi wikiPageID "9027842".
- Nu_Ophiuchi wikiPageLength "11148".
- Nu_Ophiuchi wikiPageOutDegree "57".
- Nu_Ophiuchi wikiPageRevisionID "697822946".
- Nu_Ophiuchi wikiPageWikiLink 112_Herculis.
- Nu_Ophiuchi wikiPageWikiLink Apparent_magnitude.
- Nu_Ophiuchi wikiPageWikiLink Binary_star.
- Nu_Ophiuchi wikiPageWikiLink Bright_Star_Catalogue.
- Nu_Ophiuchi wikiPageWikiLink Brown_dwarf.
- Nu_Ophiuchi wikiPageWikiLink Catalogues_of_Fundamental_Stars.
- Nu_Ophiuchi wikiPageWikiLink Category:Bayer_objects.
- Nu_Ophiuchi wikiPageWikiLink Category:Brown_dwarfs.
- Nu_Ophiuchi wikiPageWikiLink Category:K-type_giants.
- Nu_Ophiuchi wikiPageWikiLink Category:Ophiuchus_(constellation).
- Nu_Ophiuchi wikiPageWikiLink Category:Planetary_systems.
- Nu_Ophiuchi wikiPageWikiLink Celestial_equator.
- Nu_Ophiuchi wikiPageWikiLink China.
- Nu_Ophiuchi wikiPageWikiLink Constellation.
- Nu_Ophiuchi wikiPageWikiLink Cyanogen.
- Nu_Ophiuchi wikiPageWikiLink Delta_Herculis.
- Nu_Ophiuchi wikiPageWikiLink Durchmusterung.
- Nu_Ophiuchi wikiPageWikiLink Earth.
- Nu_Ophiuchi wikiPageWikiLink Effective_temperature.
- Nu_Ophiuchi wikiPageWikiLink Eta_Ophiuchi.
- Nu_Ophiuchi wikiPageWikiLink Eta_Serpentis.
- Nu_Ophiuchi wikiPageWikiLink Galactic_Center.
- Nu_Ophiuchi wikiPageWikiLink Galactic_plane.
- Nu_Ophiuchi wikiPageWikiLink Giant_star.
- Nu_Ophiuchi wikiPageWikiLink Girl_(Chinese_constellation).
- Nu_Ophiuchi wikiPageWikiLink Glossary_of_astronomy.
- Nu_Ophiuchi wikiPageWikiLink Gravitational_binding_energy.
- Nu_Ophiuchi wikiPageWikiLink Heavenly_Market_enclosure.
- Nu_Ophiuchi wikiPageWikiLink Henry_Draper_Catalogue.
- Nu_Ophiuchi wikiPageWikiLink Hipparcos.
- Nu_Ophiuchi wikiPageWikiLink Jupiter_mass.
- Nu_Ophiuchi wikiPageWikiLink Lambda_Herculis.
- Nu_Ophiuchi wikiPageWikiLink Latin.
- Nu_Ophiuchi wikiPageWikiLink Main_sequence.
- Nu_Ophiuchi wikiPageWikiLink Mu_Herculis.
- Nu_Ophiuchi wikiPageWikiLink Omicron_Herculis.
- Nu_Ophiuchi wikiPageWikiLink Ophiuchus.
- Nu_Ophiuchi wikiPageWikiLink Orbit.
- Nu_Ophiuchi wikiPageWikiLink Orbital_inclination.
- Nu_Ophiuchi wikiPageWikiLink Parallax.
- Nu_Ophiuchi wikiPageWikiLink Smithsonian_Astrophysical_Observatory_Star_Catalog.
- Nu_Ophiuchi wikiPageWikiLink Spectrum.
- Nu_Ophiuchi wikiPageWikiLink Star.
- Nu_Ophiuchi wikiPageWikiLink Stars_and_planetary_systems_in_fiction.
- Nu_Ophiuchi wikiPageWikiLink Stellar_classification.
- Nu_Ophiuchi wikiPageWikiLink Stellar_evolution.
- Nu_Ophiuchi wikiPageWikiLink Tau_Geminorum.
- Nu_Ophiuchi wikiPageWikiLink Theta_Serpentis.
- Nu_Ophiuchi wikiPageWikiLink Xi_Serpentis.
- Nu_Ophiuchi wikiPageWikiLink Yan_(state).
- Nu_Ophiuchi wikiPageWikiLink Zeta_Aquilae.
- Nu_Ophiuchi wikiPageWikiLink Zeta_Capricorni.
- Nu_Ophiuchi wikiPageWikiLink File:Cercle_rouge_100%25.svg.
- Nu_Ophiuchi wikiPageWikiLink File:Ophiuchus_IAU.svg.
- Nu_Ophiuchi wikiPageWikiLinkText "ν Oph".
- Nu_Ophiuchi wikiPageWikiLinkText "Nu Ophiuchi".
- Nu_Ophiuchi wikiPageWikiLinkText "Nu Ophiuchi#Nu Ophiuchi b".
- Nu_Ophiuchi wikiPageWikiLinkText "Sinistra".
- Nu_Ophiuchi wikiPageWikiLinkText "ν Oph".
- Nu_Ophiuchi wikiPageWikiLinkText "ν Ophiuchi".
- Nu_Ophiuchi absmagV "–0.19".
- Nu_Ophiuchi ageMyr "330".
- Nu_Ophiuchi appmagV "+3.332".
- Nu_Ophiuchi bV "+0.999".
- Nu_Ophiuchi class "K0 IIIa CN –1".
- Nu_Ophiuchi constell Ophiuchus.
- Nu_Ophiuchi eccentricity "0.13".
- Nu_Ophiuchi eccentricity "0.18".
- Nu_Ophiuchi epoch "J2000".
- Nu_Ophiuchi exoplanet "b".
- Nu_Ophiuchi exoplanet "c".
- Nu_Ophiuchi gravity "2.7".
- Nu_Ophiuchi luminosity "123".
- Nu_Ophiuchi mass "3.04".
- Nu_Ophiuchi mass "≥21.9".
- Nu_Ophiuchi mass "≥24.5".
- Nu_Ophiuchi metalFe "0.02".
- Nu_Ophiuchi pError "0.26".
- Nu_Ophiuchi parallax "21.64".
- Nu_Ophiuchi period "3169".
- Nu_Ophiuchi period "536".
- Nu_Ophiuchi periodUnit "day".
- Nu_Ophiuchi propMoDec "–116.69".
- Nu_Ophiuchi propMoRa "–9.48".
- Nu_Ophiuchi radialV "12.95".
- Nu_Ophiuchi radius "14".
- Nu_Ophiuchi rotationalVelocity "2.1".
- Nu_Ophiuchi semimajor "5.88".
- Nu_Ophiuchi semimajor "≥1.875".
- Nu_Ophiuchi temperature "4928".
- Nu_Ophiuchi uB "+0.873".
- Nu_Ophiuchi wikiPageUsesTemplate Template:Convert.
- Nu_Ophiuchi wikiPageUsesTemplate Template:DEC.
- Nu_Ophiuchi wikiPageUsesTemplate Template:Lang-en.