Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Alpha_Trianguli_Australis> ?p ?o }
- Alpha_Trianguli_Australis abstract "Alpha Trianguli Australis (α TrA, α Trianguli Australis) is the brightest star in the southern constellation Triangulum Australe, forming an apex of a triangle with Beta and Gamma Trianguli Australis that gives the constellation its name (Latin for southern triangle). This star has the traditional name Atria, which is merely a contraction of its Bayer designation. In traditional Chinese it is called 三角形三 (Mandarin: sān jiǎo xín sān), the Third Star of the Triangle.Alpha Trianguli Australis is a bright giant star with an apparent magnitude of +1.91. Based upon parallax measurements, this star is located roughly 391 light-years (120 parsecs) distant from the Earth. The estimated age of the star is 48 million years old; sufficiently old for a massive star to evolve away from the main sequence and expand into a giant. It has a mass roughly seven times the mass of the Sun, but is emitting about 5,500 times the Sun's luminosity. The effective temperature of the star's outer envelope is 4,150 K, which gives it the characteristic orange hue of a K-type star. With a diameter 130 times that of our sun, it would almost reach the orbit of Venus if placed at the centre of our solar system. The proper name Atria is a contraction of its Bayer designation.There is evidence that Atria may be a binary star. It displays unusual properties for a star of its class, including stellar flares and a higher than normal emission of X-rays. These can be explained by a young, magnetically active companion with a stellar classification of about G0 V. Such a star would have a mass similar to the Sun, with an orbital period of at least 130 years. Young, G-type stars have a high temperature corona and frequently emit flares causing sudden increases in luminosity. The pair may be separated by about 50 Astronomical Units.".
- Alpha_Trianguli_Australis thumbnail Triangulum_Australe_IAU.svg?width=300.
- Alpha_Trianguli_Australis wikiPageExternalLink atria.html.
- Alpha_Trianguli_Australis wikiPageID "2696243".
- Alpha_Trianguli_Australis wikiPageLength "7635".
- Alpha_Trianguli_Australis wikiPageOutDegree "38".
- Alpha_Trianguli_Australis wikiPageRevisionID "627841861".
- Alpha_Trianguli_Australis wikiPageWikiLink Apparent_magnitude.
- Alpha_Trianguli_Australis wikiPageWikiLink Astronomical_Unit.
- Alpha_Trianguli_Australis wikiPageWikiLink Astronomical_unit.
- Alpha_Trianguli_Australis wikiPageWikiLink Bayer_designation.
- Alpha_Trianguli_Australis wikiPageWikiLink Beta_Trianguli_Australis.
- Alpha_Trianguli_Australis wikiPageWikiLink Binary_star.
- Alpha_Trianguli_Australis wikiPageWikiLink Bright_Star_Catalogue.
- Alpha_Trianguli_Australis wikiPageWikiLink Bright_giant.
- Alpha_Trianguli_Australis wikiPageWikiLink Catalogues_of_Fundamental_Stars.
- Alpha_Trianguli_Australis wikiPageWikiLink Category:Bayer_objects.
- Alpha_Trianguli_Australis wikiPageWikiLink Category:Henry_Draper_Catalogue_objects.
- Alpha_Trianguli_Australis wikiPageWikiLink Category:Hipparcos_objects.
- Alpha_Trianguli_Australis wikiPageWikiLink Category:K-type_bright_giants.
- Alpha_Trianguli_Australis wikiPageWikiLink Category:Triangulum_Australe.
- Alpha_Trianguli_Australis wikiPageWikiLink Constellation.
- Alpha_Trianguli_Australis wikiPageWikiLink Cordoba_Durchmusterung.
- Alpha_Trianguli_Australis wikiPageWikiLink Corona.
- Alpha_Trianguli_Australis wikiPageWikiLink Durchmusterung.
- Alpha_Trianguli_Australis wikiPageWikiLink Effective_temperature.
- Alpha_Trianguli_Australis wikiPageWikiLink Fifth_Fundamental_Catalogue.
- Alpha_Trianguli_Australis wikiPageWikiLink Flag_of_Brazil.
- Alpha_Trianguli_Australis wikiPageWikiLink Flare_star.
- Alpha_Trianguli_Australis wikiPageWikiLink G-type_star.
- Alpha_Trianguli_Australis wikiPageWikiLink Gamma_Trianguli_Australis.
- Alpha_Trianguli_Australis wikiPageWikiLink Harvard_Revised_catalogue.
- Alpha_Trianguli_Australis wikiPageWikiLink Henry_Draper_Catalogue.
- Alpha_Trianguli_Australis wikiPageWikiLink Henry_Draper_catalogue.
- Alpha_Trianguli_Australis wikiPageWikiLink Hipparcos.
- Alpha_Trianguli_Australis wikiPageWikiLink Hipparcos_catalogue.
- Alpha_Trianguli_Australis wikiPageWikiLink Latin.
- Alpha_Trianguli_Australis wikiPageWikiLink Main_sequence.
- Alpha_Trianguli_Australis wikiPageWikiLink Parallax.
- Alpha_Trianguli_Australis wikiPageWikiLink Rio_Grande_do_Sul.
- Alpha_Trianguli_Australis wikiPageWikiLink Smithsonian_Astrophysical_Observatory_Star_Catalog.
- Alpha_Trianguli_Australis wikiPageWikiLink Solar_luminosity.
- Alpha_Trianguli_Australis wikiPageWikiLink Solar_mass.
- Alpha_Trianguli_Australis wikiPageWikiLink Standard_Chinese.
- Alpha_Trianguli_Australis wikiPageWikiLink Star.
- Alpha_Trianguli_Australis wikiPageWikiLink Stellar_classification.
- Alpha_Trianguli_Australis wikiPageWikiLink Stellar_magnetic_field.
- Alpha_Trianguli_Australis wikiPageWikiLink Triangulum_Australe.
- Alpha_Trianguli_Australis wikiPageWikiLink File:Cercle_rouge_100%25.svg.
- Alpha_Trianguli_Australis wikiPageWikiLink File:Triangulum_Australe_IAU.svg.
- Alpha_Trianguli_Australis wikiPageWikiLinkText "Alpha Trianguli Australis".
- Alpha_Trianguli_Australis wikiPageWikiLinkText "Alpha".
- Alpha_Trianguli_Australis wikiPageWikiLinkText "Atria".
- Alpha_Trianguli_Australis wikiPageWikiLinkText "α TrA".
- Alpha_Trianguli_Australis wikiPageWikiLinkText "α Trianguli Australis".
- Alpha_Trianguli_Australis absmagV "–3.68".
- Alpha_Trianguli_Australis age "4.8".
- Alpha_Trianguli_Australis appmagV "1.91".
- Alpha_Trianguli_Australis bV "+1.44".
- Alpha_Trianguli_Australis class "K2 IIb-IIIa".
- Alpha_Trianguli_Australis constell Triangulum_Australe.
- Alpha_Trianguli_Australis epoch "J2000".
- Alpha_Trianguli_Australis gravity "1.5".
- Alpha_Trianguli_Australis hasPhotoCollection Alpha_Trianguli_Australis.
- Alpha_Trianguli_Australis luminosity "5500".
- Alpha_Trianguli_Australis mass "7".
- Alpha_Trianguli_Australis metalFe "–0.06".
- Alpha_Trianguli_Australis pError "0.15".
- Alpha_Trianguli_Australis parallax "8.35".
- Alpha_Trianguli_Australis propMoDec "–31.58".
- Alpha_Trianguli_Australis propMoRa "17.99".
- Alpha_Trianguli_Australis radialV "–3.3".
- Alpha_Trianguli_Australis temperature "4150".
- Alpha_Trianguli_Australis uB "+1.56".
- Alpha_Trianguli_Australis wikiPageUsesTemplate Template:Citation.
- Alpha_Trianguli_Australis wikiPageUsesTemplate Template:Convert.
- Alpha_Trianguli_Australis wikiPageUsesTemplate Template:Reflist.
- Alpha_Trianguli_Australis wikiPageUsesTemplate Template:Starbox_astrometry.
- Alpha_Trianguli_Australis wikiPageUsesTemplate Template:Starbox_begin.
- Alpha_Trianguli_Australis wikiPageUsesTemplate Template:Starbox_catalog.
- Alpha_Trianguli_Australis wikiPageUsesTemplate Template:Starbox_character.
- Alpha_Trianguli_Australis wikiPageUsesTemplate Template:Starbox_detail.
- Alpha_Trianguli_Australis wikiPageUsesTemplate Template:Starbox_end.
- Alpha_Trianguli_Australis wikiPageUsesTemplate Template:Starbox_image.
- Alpha_Trianguli_Australis wikiPageUsesTemplate Template:Starbox_observe.
- Alpha_Trianguli_Australis wikiPageUsesTemplate Template:Starbox_reference.
- Alpha_Trianguli_Australis wikiPageUsesTemplate Template:Stars_of_Triangulum_Australe.
- Alpha_Trianguli_Australis subject Category:Bayer_objects.
- Alpha_Trianguli_Australis subject Category:Henry_Draper_Catalogue_objects.
- Alpha_Trianguli_Australis subject Category:Hipparcos_objects.
- Alpha_Trianguli_Australis subject Category:K-type_bright_giants.
- Alpha_Trianguli_Australis subject Category:Triangulum_Australe.
- Alpha_Trianguli_Australis hypernym Star.
- Alpha_Trianguli_Australis type CelestialBody.
- Alpha_Trianguli_Australis type Place.
- Alpha_Trianguli_Australis type Star.
- Alpha_Trianguli_Australis type Catalogue.
- Alpha_Trianguli_Australis type Location.
- Alpha_Trianguli_Australis type Place.
- Alpha_Trianguli_Australis type Thing.