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- 99_Aquarii abstract "99 Aquarii is the Flamsteed designation for a star in the equatorial constellation of Aquarius. The Bayer designation for this star is b2 Aquarii. It is visible to the naked eye with an apparent visual magnitude of 4.37; according to the Bortle Dark-Sky Scale this is bright enough to be seen even from city skies under ideal viewing conditions. Based upon parallax measurements, the distance to this star is around 283 light-years (87 parsecs).This is a giant star with a stellar classification of K4 III. It is a suspected variable star that apparently ranges in magnitude between 4.35 and 4.45. The measured angular diameter of this star is 3.55 ± 0.21 mas. At the estimated distance of Delta Ophiuchi, this yields a physical size of about 33 times the radius of the Sun. The outer atmosphere has an effective temperature of 3980 K, giving it the orange-hued glow of a cool, K-type star.This star was a candidate member of the Ursa Major Moving Group based on the work of American astronomer Nancy Roman, but this membership is now in question.".
- 99_Aquarii thumbnail Aquarius_IAU.svg?width=300.
- 99_Aquarii wikiPageExternalLink AladinPreview?-c=23+26+02.7861-20+38+31.251&ident=NSV+14554&submit=Aladin+previewer.
- 99_Aquarii wikiPageID "2902614".
- 99_Aquarii wikiPageRevisionID "605626615".
- 99_Aquarii appmagV "4.37".
- 99_Aquarii bV "+1.431".
- 99_Aquarii class "K4 III".
- 99_Aquarii constell Aquarius_(constellation).
- 99_Aquarii epoch "J2000".
- 99_Aquarii gravity "1.66".
- 99_Aquarii hasPhotoCollection 99_Aquarii.
- 99_Aquarii metalFe "–0.20".
- 99_Aquarii pError "0.21".
- 99_Aquarii parallax "11.51".
- 99_Aquarii propMoDec "–64.22".
- 99_Aquarii propMoRa "–50.72".
- 99_Aquarii radialV "+15.7".
- 99_Aquarii radius "33".
- 99_Aquarii temperature "3980".
- 99_Aquarii uB "+1.815".
- 99_Aquarii variable "Suspected".
- 99_Aquarii subject Category:Aquarius_(constellation).
- 99_Aquarii subject Category:Bayer_objects.
- 99_Aquarii subject Category:Flamsteed_objects.
- 99_Aquarii subject Category:Henry_Draper_Catalogue_objects.
- 99_Aquarii type CelestialBody.
- 99_Aquarii type Star.
- 99_Aquarii type PhysicalBody.
- 99_Aquarii comment "99 Aquarii is the Flamsteed designation for a star in the equatorial constellation of Aquarius. The Bayer designation for this star is b2 Aquarii. It is visible to the naked eye with an apparent visual magnitude of 4.37; according to the Bortle Dark-Sky Scale this is bright enough to be seen even from city skies under ideal viewing conditions.".
- 99_Aquarii label "99 Aquarii".
- 99_Aquarii label "99 Aquarii".
- 99_Aquarii label "99 Aquarii".
- 99_Aquarii label "天鷹座99".
- 99_Aquarii sameAs 99_Aquarii.
- 99_Aquarii sameAs 99_Aquarii.
- 99_Aquarii sameAs 물병자리_99.
- 99_Aquarii sameAs 99_Aquarii.
- 99_Aquarii sameAs m.08bckx.
- 99_Aquarii sameAs Q2720236.
- 99_Aquarii sameAs Q2720236.
- 99_Aquarii wasDerivedFrom 99_Aquarii?oldid=605626615.
- 99_Aquarii depiction Aquarius_IAU.svg.
- 99_Aquarii isPrimaryTopicOf 99_Aquarii.
- 99_Aquarii name "99 Aquarii".