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- Omicron_Aquarii abstract "Omicron Aquarii (ο Aqr, ο Aquarii) is the Bayer designation for a star in the equatorial constellation of Aquarius. It has the traditional star name Kae Uh, from the Chinese 蓋屋 (Mandarin gàiwū) "the roof". Visible to the naked eye, it has an apparent visual magnitude of +4.71. Parallax measurements put it at a distance of roughly 440 light-years (130 parsecs) from Earth.In Chinese, 蓋屋 (Gài Wū), meaning Roofing, refers to an asterism consisting of ο Aquarii and 32 Aquarii. Consequently, ο Aquarii itself is known as 蓋屋一 (Gài Wū yī, English: the First Star of Roofing.)The spectrum of Omicron Aquarii fits a stellar classification of B7 IVe; the luminosity class of IV suggests that this is a subgiant star that is exhausting the supply of hydrogen at its core and is in the process of evolving into a giant star. The 'e' suffix on the class indicates that the spectrum shows emission lines of hydrogen, thus categorizing this as a Be star. Omicron Aquarii is rotating rapidly with a projected rotational velocity of 205 km/s. The rotation rate along the equator may be as high as 77% of the critical rotation velocity, with the axis of rotation being inclined by around 70° ± 20°. The emission lines are being generated by a decreted circumstellar disk of hot hydrogen gas.It is classified as a Gamma Cassiopeiae type variable star and its brightness varies from magnitude +4.68 to +4.89.".
- Omicron_Aquarii thumbnail Aquarius_IAU.svg?width=300.
- Omicron_Aquarii wikiPageExternalLink AladinPreview?-c=22+03+18.8441-02+09+19.307&ident=*+omi+Aqr&submit=Aladin+previewer.
- Omicron_Aquarii wikiPageID "2859126".
- Omicron_Aquarii wikiPageRevisionID "605624309".
- Omicron_Aquarii appmagV "+4.71".
- Omicron_Aquarii bV "–0.11".
- Omicron_Aquarii class "B7 IVe".
- Omicron_Aquarii constell Aquarius_(constellation).
- Omicron_Aquarii epoch "J2000".
- Omicron_Aquarii gravity "3.13".
- Omicron_Aquarii hasPhotoCollection Omicron_Aquarii.
- Omicron_Aquarii pError "0.23".
- Omicron_Aquarii parallax "7.49".
- Omicron_Aquarii propMoDec "–11.16".
- Omicron_Aquarii propMoRa "+24.66".
- Omicron_Aquarii radialV "+11.0".
- Omicron_Aquarii radius "4.3".
- Omicron_Aquarii uB "–0.39".
- Omicron_Aquarii variable Shell_star.
- Omicron_Aquarii subject Category:Aquarius_(constellation).
- Omicron_Aquarii subject Category:B-type_subgiants.
- Omicron_Aquarii subject Category:Bayer_objects.
- Omicron_Aquarii subject Category:Emission-line_stars.
- Omicron_Aquarii subject Category:Flamsteed_objects.
- Omicron_Aquarii subject Category:Henry_Draper_Catalogue_objects.
- Omicron_Aquarii subject Category:Shell_stars.
- Omicron_Aquarii subject Category:Stars_with_proper_names.
- Omicron_Aquarii type BayerObjects.
- Omicron_Aquarii type CelestialBody109239740.
- Omicron_Aquarii type Emission-lineStars.
- Omicron_Aquarii type FlamsteedObjects.
- Omicron_Aquarii type HenryDraperCatalogueObjects.
- Omicron_Aquarii type NaturalObject100019128.
- Omicron_Aquarii type Object100002684.
- Omicron_Aquarii type PhysicalEntity100001930.
- Omicron_Aquarii type ShellStars.
- Omicron_Aquarii type Star109444100.
- Omicron_Aquarii type StarsWithProperNames.
- Omicron_Aquarii type Whole100003553.
- Omicron_Aquarii type CelestialBody.
- Omicron_Aquarii type Star.
- Omicron_Aquarii type PhysicalBody.
- Omicron_Aquarii comment "Omicron Aquarii (ο Aqr, ο Aquarii) is the Bayer designation for a star in the equatorial constellation of Aquarius. It has the traditional star name Kae Uh, from the Chinese 蓋屋 (Mandarin gàiwū) "the roof". Visible to the naked eye, it has an apparent visual magnitude of +4.71. Parallax measurements put it at a distance of roughly 440 light-years (130 parsecs) from Earth.In Chinese, 蓋屋 (Gài Wū), meaning Roofing, refers to an asterism consisting of ο Aquarii and 32 Aquarii.".
- Omicron_Aquarii label "Omicron Aquarii".
- Omicron_Aquarii label "Omicron Aquarii".
- Omicron_Aquarii label "Omicron Aquarii".
- Omicron_Aquarii label "Ómicron Aquarii".
- Omicron_Aquarii sameAs Ómicron_Aquarii.
- Omicron_Aquarii sameAs Omicron_Aquarii.
- Omicron_Aquarii sameAs Omicron_Aquarii.
- Omicron_Aquarii sameAs Omicron_Aquarii.
- Omicron_Aquarii sameAs m.087b3m.
- Omicron_Aquarii sameAs Q2720277.
- Omicron_Aquarii sameAs Q2720277.
- Omicron_Aquarii sameAs Omicron_Aquarii.
- Omicron_Aquarii wasDerivedFrom Omicron_Aquarii?oldid=605624309.
- Omicron_Aquarii depiction Aquarius_IAU.svg.
- Omicron_Aquarii isPrimaryTopicOf Omicron_Aquarii.
- Omicron_Aquarii name "Omicron Aquarii".