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- Rho2_Arae abstract "Rho2 Arae is the Bayer designation for a star in the southern constellation of Ara. It received this designation when the star was catalogued by Bode in his Uranographia. This is a rather dim naked eye star with an apparent visual magnitude of 5.54. Based upon an annual parallax shift of just 6.28 mas, it is around 520 light-years (160 parsecs) distant from the Sun, give or take a 30 light-year margin of error.The spectrum of this star matches a stellar classification of B9 IV or B9 V. The IV luminosity class would indicate the star is in the subgiant stage, while a V class means it is a main sequence star like the Sun. In the latter case, it is close to entering the subgiant stage at an estimated 93% of the way through its lifespan on the main sequence.Rho2 Arae has more than three times the mass of the Sun and shines with 238 times the Sun's luminosity. This energy is being radiated into space from the outer atmosphere at an effective temperature of 10,520 K, giving it the blue-white hue of a B-type star. It is spinning rapidly with a projected rotational velocity of 302 km/s.".
- Rho2_Arae thumbnail Ara_IAU.svg?width=300.
- Rho2_Arae wikiPageID "35831476".
- Rho2_Arae wikiPageLength "6152".
- Rho2_Arae wikiPageOutDegree "32".
- Rho2_Arae wikiPageRevisionID "614720415".
- Rho2_Arae wikiPageWikiLink Apparent_magnitude.
- Rho2_Arae wikiPageWikiLink Ara_(constellation).
- Rho2_Arae wikiPageWikiLink Bayer_designation.
- Rho2_Arae wikiPageWikiLink Bright_Star_Catalogue.
- Rho2_Arae wikiPageWikiLink Catalogues_of_Fundamental_Stars.
- Rho2_Arae wikiPageWikiLink Category:Ara_(constellation).
- Rho2_Arae wikiPageWikiLink Category:Bayer_objects.
- Rho2_Arae wikiPageWikiLink Category:HR_objects.
- Rho2_Arae wikiPageWikiLink Category:Henry_Draper_Catalogue_objects.
- Rho2_Arae wikiPageWikiLink Constellation.
- Rho2_Arae wikiPageWikiLink Durchmusterung.
- Rho2_Arae wikiPageWikiLink Effective_temperature.
- Rho2_Arae wikiPageWikiLink Henry_Draper_Catalogue.
- Rho2_Arae wikiPageWikiLink Hipparcos.
- Rho2_Arae wikiPageWikiLink Johann_Elert_Bode.
- Rho2_Arae wikiPageWikiLink Main_sequence.
- Rho2_Arae wikiPageWikiLink Margin_of_error.
- Rho2_Arae wikiPageWikiLink Minute_and_second_of_arc.
- Rho2_Arae wikiPageWikiLink Parallax.
- Rho2_Arae wikiPageWikiLink Smithsonian_Astrophysical_Observatory_Star_Catalog.
- Rho2_Arae wikiPageWikiLink Spectrum.
- Rho2_Arae wikiPageWikiLink Star.
- Rho2_Arae wikiPageWikiLink Stellar_atmosphere.
- Rho2_Arae wikiPageWikiLink Stellar_classification.
- Rho2_Arae wikiPageWikiLink Stellar_rotation.
- Rho2_Arae wikiPageWikiLink Subgiant.
- Rho2_Arae wikiPageWikiLink File:Ara_IAU.svg.
- Rho2_Arae wikiPageWikiLink File:Cercle_rouge_100%25.svg.
- Rho2_Arae wikiPageWikiLinkText "Rho2 Arae".
- Rho2_Arae wikiPageWikiLinkText "ρ² Arae".
- Rho2_Arae appmagV "5.54".
- Rho2_Arae bV "+0.02".
- Rho2_Arae class "B9 IV or B9 V".
- Rho2_Arae constell Ara_(constellation).
- Rho2_Arae epoch "J2000".
- Rho2_Arae luminosity "238".
- Rho2_Arae mass "3.42".
- Rho2_Arae pError "0.38".
- Rho2_Arae parallax "6.28".
- Rho2_Arae propMoDec "–38.68".
- Rho2_Arae propMoRa "–8.05".
- Rho2_Arae radialV "–44.0".
- Rho2_Arae rotationalVelocity "302".
- Rho2_Arae temperature "10520".
- Rho2_Arae wikiPageUsesTemplate Template:Convert.
- Rho2_Arae wikiPageUsesTemplate Template:DEC.
- Rho2_Arae wikiPageUsesTemplate Template:RA.
- Rho2_Arae wikiPageUsesTemplate Template:Reflist.
- Rho2_Arae wikiPageUsesTemplate Template:Starbox_astrometry.
- Rho2_Arae wikiPageUsesTemplate Template:Starbox_begin.
- Rho2_Arae wikiPageUsesTemplate Template:Starbox_catalog.
- Rho2_Arae wikiPageUsesTemplate Template:Starbox_character.
- Rho2_Arae wikiPageUsesTemplate Template:Starbox_detail.
- Rho2_Arae wikiPageUsesTemplate Template:Starbox_end.
- Rho2_Arae wikiPageUsesTemplate Template:Starbox_image.
- Rho2_Arae wikiPageUsesTemplate Template:Starbox_observe.
- Rho2_Arae wikiPageUsesTemplate Template:Stars_of_Ara.
- Rho2_Arae subject Category:Ara_(constellation).
- Rho2_Arae subject Category:Bayer_objects.
- Rho2_Arae subject Category:HR_objects.
- Rho2_Arae subject Category:Henry_Draper_Catalogue_objects.
- Rho2_Arae hypernym Designation.
- Rho2_Arae type CelestialBody.
- Rho2_Arae type Place.
- Rho2_Arae type Star.
- Rho2_Arae type Catalogue.
- Rho2_Arae type Location.
- Rho2_Arae type Place.
- Rho2_Arae type Thing.
- Rho2_Arae comment "Rho2 Arae is the Bayer designation for a star in the southern constellation of Ara. It received this designation when the star was catalogued by Bode in his Uranographia. This is a rather dim naked eye star with an apparent visual magnitude of 5.54. Based upon an annual parallax shift of just 6.28 mas, it is around 520 light-years (160 parsecs) distant from the Sun, give or take a 30 light-year margin of error.The spectrum of this star matches a stellar classification of B9 IV or B9 V.".
- Rho2_Arae label "Rho2 Arae".
- Rho2_Arae sameAs Q1747949.
- Rho2_Arae sameAs HD_152824.
- Rho2_Arae sameAs Rho2_Arae.
- Rho2_Arae sameAs m.0jwx0jz.
- Rho2_Arae sameAs Q1747949.
- Rho2_Arae sameAs HD_152824.
- Rho2_Arae wasDerivedFrom Rho2_Arae?oldid=614720415.
- Rho2_Arae depiction Ara_IAU.svg.
- Rho2_Arae isPrimaryTopicOf Rho2_Arae.
- Rho2_Arae name "Rho2".