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- Omega2_Aquarii abstract "Omega2 Aquarii (ω2 Aqr, ω2 Aquarii) is the Bayer designation for a triple star system in the equatorial constellation of Aquarius. It can be seen with the naked eye, having an apparent visual magnitude of 4.49. The approximate distance to this star, 149 light-years (46 parsecs), is known from parallax measurements taken during the Hipparcos mission.The primary component of this system is a massive, B-type main sequence star with a stellar classification of B9 V. This star has nearly double the radius of the Sun and is spinning rapidly with a projected rotational velocity of 148 km/s. The outer atmosphere has an effective temperature of 10,504 K, giving it the blue-white hue of a B-type star.There is a close orbiting stellar companion of unknown type, with a third component at an angular separation of 5.7 arcseconds. The latter is a K-type main sequence star with a visual magnitude of 9.5. This system is among the 100 strongest stellar X-ray sources within 163 light-years (50 pc) of the Sun. It is emitting an X-ray luminosity of 1.2 × 1030 erg s−1.".
- Omega2_Aquarii thumbnail Aquarius_IAU.svg?width=300.
- Omega2_Aquarii wikiPageExternalLink AladinPreview?-c=23+42+43.3441-14+32+41.657&ident=*+105+Aqr&submit=Aladin+previewer.
- Omega2_Aquarii wikiPageID "4988616".
- Omega2_Aquarii wikiPageRevisionID "602282309".
- Omega2_Aquarii appmagV "4.49".
- Omega2_Aquarii bV "–0.04".
- Omega2_Aquarii class "B9 V".
- Omega2_Aquarii constell Aquarius_(constellation).
- Omega2_Aquarii epoch "J2000".
- Omega2_Aquarii hasPhotoCollection Omega2_Aquarii.
- Omega2_Aquarii pError "0.26".
- Omega2_Aquarii parallax "21.96".
- Omega2_Aquarii propMoDec "–66.32".
- Omega2_Aquarii propMoRa "+99.28".
- Omega2_Aquarii radialV "+3".
- Omega2_Aquarii rotationalVelocity "148".
- Omega2_Aquarii uB "–0.12".
- Omega2_Aquarii subject Category:Aquarius_(constellation).
- Omega2_Aquarii subject Category:B-type_main-sequence_stars.
- Omega2_Aquarii subject Category:Bayer_objects.
- Omega2_Aquarii subject Category:Flamsteed_objects.
- Omega2_Aquarii subject Category:Henry_Draper_Catalogue_objects.
- Omega2_Aquarii type CelestialBody.
- Omega2_Aquarii type Star.
- Omega2_Aquarii type PhysicalBody.
- Omega2_Aquarii comment "Omega2 Aquarii (ω2 Aqr, ω2 Aquarii) is the Bayer designation for a triple star system in the equatorial constellation of Aquarius. It can be seen with the naked eye, having an apparent visual magnitude of 4.49. The approximate distance to this star, 149 light-years (46 parsecs), is known from parallax measurements taken during the Hipparcos mission.The primary component of this system is a massive, B-type main sequence star with a stellar classification of B9 V.".
- Omega2_Aquarii label "Omega2 Aquarii".
- Omega2_Aquarii label "Omega2 Aquarii".
- Omega2_Aquarii label "Omega2 Aquarii".
- Omega2_Aquarii label "Omega2 Aquarii".
- Omega2_Aquarii sameAs Omega2_Aquarii.
- Omega2_Aquarii sameAs Omega2_Aquarii.
- Omega2_Aquarii sameAs 물병자리_오메가2.
- Omega2_Aquarii sameAs Omega2_Aquarii.
- Omega2_Aquarii sameAs m.0cypmq.
- Omega2_Aquarii sameAs Q2607206.
- Omega2_Aquarii sameAs Q2607206.
- Omega2_Aquarii wasDerivedFrom Omega2_Aquarii?oldid=602282309.
- Omega2_Aquarii depiction Aquarius_IAU.svg.
- Omega2_Aquarii isPrimaryTopicOf Omega2_Aquarii.
- Omega2_Aquarii name "Omega2 Aquarii".