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- 63_Ophiuchi abstract "63 Ophiuchi is an O-type giant star in the constellation Sagittarius, despite its name. During a 2009 survey for companions of massive stars, it was observed using speckle interferometry but no companion was found. Uncertain negative parallax measurements of –0.77 ± 0.40 mas suggest that this extremely luminous star may be located about 4000 light-years away. An estimate of the distance based on the strength of the Ca II line yields a more modest value of 2,605 ly (799 pc). The star lies only 0.3° north of the galactic plane.In 1983, astronomers from the Sternberg Astronomical Institute in Moscow, Russia identified a faint, shell-shaped nebula surrounding the star that was being excited by the star's energy. Named Sharpless 22, this ring-shaped nebula has a double-shell structure with an inner envelope spanning 45–50′ (9–18 pc), surrounded by a diffuse envelope some 65–80′ (14–29 pc) across. At an estimated mass loss rate of (6–8) × 10−6 M☉/yr, it would take the star about (1–5) × 105 years to produce such a nebula from the outflow of its stellar wind.".
- 63_Ophiuchi thumbnail Sagittarius_IAU.svg?width=300.
- 63_Ophiuchi wikiPageID "29561165".
- 63_Ophiuchi wikiPageLength "7390".
- 63_Ophiuchi wikiPageOutDegree "28".
- 63_Ophiuchi wikiPageRevisionID "700598877".
- 63_Ophiuchi wikiPageWikiLink Bright_Star_Catalogue.
- 63_Ophiuchi wikiPageWikiLink Calcium.
- 63_Ophiuchi wikiPageWikiLink Category:Flamsteed_objects.
- 63_Ophiuchi wikiPageWikiLink Category:HR_objects.
- 63_Ophiuchi wikiPageWikiLink Category:Henry_Draper_Catalogue_objects.
- 63_Ophiuchi wikiPageWikiLink Category:Hipparcos_objects.
- 63_Ophiuchi wikiPageWikiLink Category:O-type_bright_giants.
- 63_Ophiuchi wikiPageWikiLink Category:Sagittarius_(constellation).
- 63_Ophiuchi wikiPageWikiLink Epoch_(astronomy).
- 63_Ophiuchi wikiPageWikiLink Flamsteed_designation.
- 63_Ophiuchi wikiPageWikiLink Galactic_plane.
- 63_Ophiuchi wikiPageWikiLink Henry_Draper_Catalogue.
- 63_Ophiuchi wikiPageWikiLink Hipparcos.
- 63_Ophiuchi wikiPageWikiLink International_Celestial_Reference_System.
- 63_Ophiuchi wikiPageWikiLink Light-year.
- 63_Ophiuchi wikiPageWikiLink Minute_and_second_of_arc.
- 63_Ophiuchi wikiPageWikiLink O-type_star.
- 63_Ophiuchi wikiPageWikiLink Parallax.
- 63_Ophiuchi wikiPageWikiLink Sagittarius_(constellation).
- 63_Ophiuchi wikiPageWikiLink Smithsonian_Astrophysical_Observatory_Star_Catalog.
- 63_Ophiuchi wikiPageWikiLink Speckle_imaging.
- 63_Ophiuchi wikiPageWikiLink Star.
- 63_Ophiuchi wikiPageWikiLink Stellar_wind.
- 63_Ophiuchi wikiPageWikiLink Sternberg_Astronomical_Institute.
- 63_Ophiuchi wikiPageWikiLink File:Cercle_rouge_100%25.svg.
- 63_Ophiuchi wikiPageWikiLink File:Sagittarius_IAU.svg.
- 63_Ophiuchi wikiPageWikiLinkText "63 Oph".
- 63_Ophiuchi absmagV "−6.0".
- 63_Ophiuchi appmagV "6.2".
- 63_Ophiuchi bV "+0.04".
- 63_Ophiuchi class "O8II".
- 63_Ophiuchi constell Sagittarius_(constellation).
- 63_Ophiuchi epoch "J2000.0".
- 63_Ophiuchi gravity "3.5".
- 63_Ophiuchi pError "0.4".
- 63_Ophiuchi parallax "−0.77".
- 63_Ophiuchi propMoDec "–2.63".
- 63_Ophiuchi propMoRa "1.66".
- 63_Ophiuchi radialV "–11".
- 63_Ophiuchi rotationalVelocity "35".
- 63_Ophiuchi temperature "34000".
- 63_Ophiuchi uB "–0.89".
- 63_Ophiuchi wikiPageUsesTemplate Template:Convert.
- 63_Ophiuchi wikiPageUsesTemplate Template:DEC.
- 63_Ophiuchi wikiPageUsesTemplate Template:RA.
- 63_Ophiuchi wikiPageUsesTemplate Template:Reflist.
- 63_Ophiuchi wikiPageUsesTemplate Template:Solar_mass.
- 63_Ophiuchi wikiPageUsesTemplate Template:Starbox_astrometry.
- 63_Ophiuchi wikiPageUsesTemplate Template:Starbox_begin.
- 63_Ophiuchi wikiPageUsesTemplate Template:Starbox_catalog.
- 63_Ophiuchi wikiPageUsesTemplate Template:Starbox_character.
- 63_Ophiuchi wikiPageUsesTemplate Template:Starbox_detail.
- 63_Ophiuchi wikiPageUsesTemplate Template:Starbox_end.
- 63_Ophiuchi wikiPageUsesTemplate Template:Starbox_image.
- 63_Ophiuchi wikiPageUsesTemplate Template:Starbox_observe.
- 63_Ophiuchi wikiPageUsesTemplate Template:Starbox_reference.
- 63_Ophiuchi wikiPageUsesTemplate Template:Stars_of_Sagittarius.
- 63_Ophiuchi subject Category:Flamsteed_objects.
- 63_Ophiuchi subject Category:HR_objects.
- 63_Ophiuchi subject Category:Henry_Draper_Catalogue_objects.
- 63_Ophiuchi subject Category:Hipparcos_objects.
- 63_Ophiuchi subject Category:O-type_bright_giants.
- 63_Ophiuchi subject Category:Sagittarius_(constellation).
- 63_Ophiuchi hypernym Star.
- 63_Ophiuchi type CelestialBody.
- 63_Ophiuchi type Place.
- 63_Ophiuchi type Star.
- 63_Ophiuchi type Location.
- 63_Ophiuchi type Place.
- 63_Ophiuchi type Thing.
- 63_Ophiuchi comment "63 Ophiuchi is an O-type giant star in the constellation Sagittarius, despite its name. During a 2009 survey for companions of massive stars, it was observed using speckle interferometry but no companion was found. Uncertain negative parallax measurements of –0.77 ± 0.40 mas suggest that this extremely luminous star may be located about 4000 light-years away. An estimate of the distance based on the strength of the Ca II line yields a more modest value of 2,605 ly (799 pc).".
- 63_Ophiuchi label "63 Ophiuchi".
- 63_Ophiuchi sameAs Q4641944.
- 63_Ophiuchi sameAs ۶۳_مارافسای.
- 63_Ophiuchi sameAs m.0ds71ws.
- 63_Ophiuchi sameAs Q4641944.
- 63_Ophiuchi wasDerivedFrom 63_Ophiuchi?oldid=700598877.
- 63_Ophiuchi depiction Sagittarius_IAU.svg.
- 63_Ophiuchi isPrimaryTopicOf 63_Ophiuchi.
- 63_Ophiuchi name "63 Ophiuchi".