Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Alpha_Sagittarii> ?p ?o }
- Alpha_Sagittarii abstract "Alpha Sagittarii (Alpha Sgr, α Sagittarii, α Sgr) is a star in the Sagittarius constellation. It has the traditional names Alrami and Rukbat.Alpha Sagittarii is a blue, class B dwarf star. It does not appear particularly bright in the sky to the naked eye, with a visual apparent magnitude of +3.97. However, this is due to its distance; in reality, the star is twice as hot as the Sun and considerably more massive, with a luminosity in visible wavelengths about 40 times greater than that of the Sun. Based on an excess emission of infrared radiation, it may have a debris disk, much like Vega. It is unclear why Bayer designated this star as the alpha, rather than ε Sgr or σ Sgr. This led some old star charts to occasionally depict Alpha and Beta Sgr as much brighter than they are in reality, as they are invisible from northern Europe, being too far south to see there.This is a single-lined spectroscopic binary system. The ROSAT All Sky Survey discovered that Alpha Sagittarii is emitting an excess flux of X-rays, which is not expected to originate from a star of this spectral class. The most likely explanation is that the companion is an active pre-main sequence star or else a star that has just reached the main sequence.".
- Alpha_Sagittarii thumbnail Sagittarius_IAU.svg?width=300.
- Alpha_Sagittarii wikiPageID "2009449".
- Alpha_Sagittarii wikiPageLength "7731".
- Alpha_Sagittarii wikiPageOutDegree "36".
- Alpha_Sagittarii wikiPageRevisionID "647766625".
- Alpha_Sagittarii wikiPageWikiLink Alpha_Sagittarii_in_fiction.
- Alpha_Sagittarii wikiPageWikiLink Apparent_magnitude.
- Alpha_Sagittarii wikiPageWikiLink Arabic.
- Alpha_Sagittarii wikiPageWikiLink Arabic_Language.
- Alpha_Sagittarii wikiPageWikiLink Arabic_language.
- Alpha_Sagittarii wikiPageWikiLink Beta1_Sagittarii.
- Alpha_Sagittarii wikiPageWikiLink Beta2_Sagittarii.
- Alpha_Sagittarii wikiPageWikiLink Beta_Sagittarii.
- Alpha_Sagittarii wikiPageWikiLink Boss_General_Catalogue.
- Alpha_Sagittarii wikiPageWikiLink Bright_Star_Catalogue.
- Alpha_Sagittarii wikiPageWikiLink Catalogues_of_Fundamental_Stars.
- Alpha_Sagittarii wikiPageWikiLink Category:B-type_main-sequence_stars.
- Alpha_Sagittarii wikiPageWikiLink Category:Bayer_objects.
- Alpha_Sagittarii wikiPageWikiLink Category:Sagittarius_(constellation).
- Alpha_Sagittarii wikiPageWikiLink Category:Stars_with_proper_names.
- Alpha_Sagittarii wikiPageWikiLink Chinese_language.
- Alpha_Sagittarii wikiPageWikiLink Debris_disk.
- Alpha_Sagittarii wikiPageWikiLink Delta_Cassiopeiae.
- Alpha_Sagittarii wikiPageWikiLink Dipper_(Chinese_constellation).
- Alpha_Sagittarii wikiPageWikiLink Durchmusterung.
- Alpha_Sagittarii wikiPageWikiLink Epsilon_Sagittarii.
- Alpha_Sagittarii wikiPageWikiLink Fifth_Fundamental_Catalogue.
- Alpha_Sagittarii wikiPageWikiLink Henry_Draper_Catalogue.
- Alpha_Sagittarii wikiPageWikiLink Henry_Draper_catalogue.
- Alpha_Sagittarii wikiPageWikiLink Hipparcos.
- Alpha_Sagittarii wikiPageWikiLink Hipparcos_catalogue.
- Alpha_Sagittarii wikiPageWikiLink Infrared_excess.
- Alpha_Sagittarii wikiPageWikiLink Main_sequence.
- Alpha_Sagittarii wikiPageWikiLink PPM_Star_Catalogue.
- Alpha_Sagittarii wikiPageWikiLink Sagittarius_(constellation).
- Alpha_Sagittarii wikiPageWikiLink Sigma_Sagittarii.
- Alpha_Sagittarii wikiPageWikiLink Smithsonian_Astrophysical_Observatory_Star_Catalog.
- Alpha_Sagittarii wikiPageWikiLink Spectral_classification.
- Alpha_Sagittarii wikiPageWikiLink Star.
- Alpha_Sagittarii wikiPageWikiLink Stars_and_planetary_systems_in_fiction.
- Alpha_Sagittarii wikiPageWikiLink Stellar_classification.
- Alpha_Sagittarii wikiPageWikiLink Sun.
- Alpha_Sagittarii wikiPageWikiLink Vega.
- Alpha_Sagittarii wikiPageWikiLink File:Cercle_rouge_100%25.svg.
- Alpha_Sagittarii wikiPageWikiLink File:Sagittarius_IAU.svg.
- Alpha_Sagittarii wikiPageWikiLinkText "Alpha Sagittarii".
- Alpha_Sagittarii wikiPageWikiLinkText "Alpha Sagittarius".
- Alpha_Sagittarii wikiPageWikiLinkText "Alpha".
- Alpha_Sagittarii wikiPageWikiLinkText "Alrami".
- Alpha_Sagittarii wikiPageWikiLinkText "Rukbat".
- Alpha_Sagittarii wikiPageWikiLinkText "α Sagittarii".
- Alpha_Sagittarii wikiPageWikiLinkText "α Sgr".
- Alpha_Sagittarii appmagV "+3.97".
- Alpha_Sagittarii bV "−0.10".
- Alpha_Sagittarii class "B8 V".
- Alpha_Sagittarii constell Sagittarius_(constellation).
- Alpha_Sagittarii epoch "J2000".
- Alpha_Sagittarii hasPhotoCollection Alpha_Sagittarii.
- Alpha_Sagittarii luminosity "60".
- Alpha_Sagittarii metalFe "-0.02".
- Alpha_Sagittarii pError "0.22".
- Alpha_Sagittarii parallax "17.94".
- Alpha_Sagittarii propMoDec "−119.21".
- Alpha_Sagittarii propMoRa "+30.49".
- Alpha_Sagittarii radialV "−0.7".
- Alpha_Sagittarii radius "2.49".
- Alpha_Sagittarii temperature "12370".
- Alpha_Sagittarii uB "−0.33".
- Alpha_Sagittarii wikiPageUsesTemplate Template:Lang-en.
- Alpha_Sagittarii wikiPageUsesTemplate Template:Reflist.
- Alpha_Sagittarii wikiPageUsesTemplate Template:Starbox_astrometry.
- Alpha_Sagittarii wikiPageUsesTemplate Template:Starbox_begin.
- Alpha_Sagittarii wikiPageUsesTemplate Template:Starbox_catalog.
- Alpha_Sagittarii wikiPageUsesTemplate Template:Starbox_character.
- Alpha_Sagittarii wikiPageUsesTemplate Template:Starbox_detail.
- Alpha_Sagittarii wikiPageUsesTemplate Template:Starbox_end.
- Alpha_Sagittarii wikiPageUsesTemplate Template:Starbox_image.
- Alpha_Sagittarii wikiPageUsesTemplate Template:Starbox_observe.
- Alpha_Sagittarii wikiPageUsesTemplate Template:Stars_of_Sagittarius.
- Alpha_Sagittarii wikiPageUsesTemplate Template:Use_mdy_dates.
- Alpha_Sagittarii subject Category:B-type_main-sequence_stars.
- Alpha_Sagittarii subject Category:Bayer_objects.
- Alpha_Sagittarii subject Category:Sagittarius_(constellation).
- Alpha_Sagittarii subject Category:Stars_with_proper_names.
- Alpha_Sagittarii hypernym Star.
- Alpha_Sagittarii type Article.
- Alpha_Sagittarii type CelestialBody.
- Alpha_Sagittarii type Place.
- Alpha_Sagittarii type Star.
- Alpha_Sagittarii type Article.
- Alpha_Sagittarii type Catalogue.
- Alpha_Sagittarii type Location.
- Alpha_Sagittarii type Place.
- Alpha_Sagittarii type Thing.
- Alpha_Sagittarii comment "Alpha Sagittarii (Alpha Sgr, α Sagittarii, α Sgr) is a star in the Sagittarius constellation. It has the traditional names Alrami and Rukbat.Alpha Sagittarii is a blue, class B dwarf star. It does not appear particularly bright in the sky to the naked eye, with a visual apparent magnitude of +3.97.".
- Alpha_Sagittarii label "Alpha Sagittarii".
- Alpha_Sagittarii sameAs ركبة_الرامي.
- Alpha_Sagittarii sameAs Rukbat.
- Alpha_Sagittarii sameAs Alpha_Sagittarii.