Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Beta_Doradus> ?p ?o }
- Beta_Doradus abstract "Beta Doradus (Beta Dor, β Doradus, β Dor) is the second brightest star in the southern constellation of Dorado. It has an apparent visual magnitude of 3.63, making it visible to the naked eye from the southern hemisphere. Based upon parallax measurements with the Hubble Space Telescope, it is located at a distance of 1,040 light-years (320 parsecs) from Earth.Beta Doradus is a Cepheid variable that regularly changes magnitude from a low of 4.05 to a high of 3.45 over a period of 9.842 days. The light curve of this magnitude change follows a regular saw-tooth pattern. During each radial pulsation cycle, the radius of the star varies by ±3.9 times the Sun's radius around a mean of 67.8. Its spectral type and luminosity class are likewise variable, from F-type to G-type and from a supergiant to a bright giant.Far ultraviolet emissions have been detected from this star with the Far Ultraviolet Spectroscopic Explorer, while X-ray emissions were detected with the XMM-Newton space telescope. The X-ray luminosity is about 1 × 1029 ergs/sec and the emission varies with the pulsation period, suggesting a connection with the pulsation process. The peak X-ray emissions are in the 0.6–0.8 keV energy range, which occurs for plasmas with temperatures of 7–10 million K.".
- Beta_Doradus thumbnail Dorado_IAU.svg?width=300.
- Beta_Doradus wikiPageID "19254264".
- Beta_Doradus wikiPageLength "9163".
- Beta_Doradus wikiPageOutDegree "44".
- Beta_Doradus wikiPageRevisionID "650014881".
- Beta_Doradus wikiPageWikiLink Apparent_magnitude.
- Beta_Doradus wikiPageWikiLink Apparent_visual_magnitude.
- Beta_Doradus wikiPageWikiLink Bayer_designation.
- Beta_Doradus wikiPageWikiLink Boss_General_Catalogue.
- Beta_Doradus wikiPageWikiLink Bright_Star_Catalogue.
- Beta_Doradus wikiPageWikiLink Bright_giant.
- Beta_Doradus wikiPageWikiLink Catalogues_of_Fundamental_Stars.
- Beta_Doradus wikiPageWikiLink Category:Bayer_objects.
- Beta_Doradus wikiPageWikiLink Category:Cepheid_variables.
- Beta_Doradus wikiPageWikiLink Category:Dorado_(constellation).
- Beta_Doradus wikiPageWikiLink Category:Durchmusterung_objects.
- Beta_Doradus wikiPageWikiLink Category:F-type_supergiants.
- Beta_Doradus wikiPageWikiLink Category:Henry_Draper_Catalogue_objects.
- Beta_Doradus wikiPageWikiLink Category:Hipparcos_objects.
- Beta_Doradus wikiPageWikiLink Cepheid_variable.
- Beta_Doradus wikiPageWikiLink Constellation.
- Beta_Doradus wikiPageWikiLink Dorado.
- Beta_Doradus wikiPageWikiLink Dorado_(constellation).
- Beta_Doradus wikiPageWikiLink Durchmusterung.
- Beta_Doradus wikiPageWikiLink Electronvolt.
- Beta_Doradus wikiPageWikiLink Epoch_(astronomy).
- Beta_Doradus wikiPageWikiLink Erg.
- Beta_Doradus wikiPageWikiLink F-type_star.
- Beta_Doradus wikiPageWikiLink Far_Ultraviolet_Spectroscopic_Explorer.
- Beta_Doradus wikiPageWikiLink Fifth_Fundamental_Catalogue.
- Beta_Doradus wikiPageWikiLink G-type_star.
- Beta_Doradus wikiPageWikiLink Henry_Draper_Catalogue.
- Beta_Doradus wikiPageWikiLink Hipparcos.
- Beta_Doradus wikiPageWikiLink Hipparcos_Catalogue.
- Beta_Doradus wikiPageWikiLink Hubble_Space_Telescope.
- Beta_Doradus wikiPageWikiLink International_Celestial_Reference_System.
- Beta_Doradus wikiPageWikiLink J2000.0.
- Beta_Doradus wikiPageWikiLink KeV.
- Beta_Doradus wikiPageWikiLink Light_curve.
- Beta_Doradus wikiPageWikiLink Luminosity_class.
- Beta_Doradus wikiPageWikiLink PPM_Star_Catalogue.
- Beta_Doradus wikiPageWikiLink Parallax.
- Beta_Doradus wikiPageWikiLink Smithsonian_Astrophysical_Observatory_Star_Catalog.
- Beta_Doradus wikiPageWikiLink Solar_radius.
- Beta_Doradus wikiPageWikiLink Spectral_type.
- Beta_Doradus wikiPageWikiLink Stellar_classification.
- Beta_Doradus wikiPageWikiLink Supergiant.
- Beta_Doradus wikiPageWikiLink Ultraviolet.
- Beta_Doradus wikiPageWikiLink X-ray.
- Beta_Doradus wikiPageWikiLink XMM-Newton.
- Beta_Doradus wikiPageWikiLink Δ_Cephei_variable.
- Beta_Doradus wikiPageWikiLink File:Cercle_rouge_100%25.svg.
- Beta_Doradus wikiPageWikiLink File:Dorado_IAU.svg.
- Beta_Doradus wikiPageWikiLinkText "Beta Doradus".
- Beta_Doradus wikiPageWikiLinkText "β Dor".
- Beta_Doradus absmagV "−3.91 ± 0.11".
- Beta_Doradus appmagV "3.63".
- Beta_Doradus bV "+0.70".
- Beta_Doradus class "F4-G4Ia-II".
- Beta_Doradus constell Dorado.
- Beta_Doradus constell Dorado_(constellation).
- Beta_Doradus epoch Epoch_(astronomy).
- Beta_Doradus epoch J2000.0.
- Beta_Doradus equinox "J2000.0".
- Beta_Doradus gravity "1.3".
- Beta_Doradus hasPhotoCollection Beta_Doradus.
- Beta_Doradus luminosity "3200".
- Beta_Doradus mass "6.5".
- Beta_Doradus metalFe "–0.13".
- Beta_Doradus pError "0.16".
- Beta_Doradus parallax "3.14".
- Beta_Doradus propMoDec "+12.74".
- Beta_Doradus propMoRa "+0.79".
- Beta_Doradus rI "+0.48".
- Beta_Doradus radialV "+7.2".
- Beta_Doradus radius "67.8".
- Beta_Doradus rotationalVelocity "0".
- Beta_Doradus temperature "5445".
- Beta_Doradus uB "+0.55".
- Beta_Doradus variable Cepheid_variable.
- Beta_Doradus variable Δ_Cephei_variable.
- Beta_Doradus wikiPageUsesTemplate Template:Convert.
- Beta_Doradus wikiPageUsesTemplate Template:Reflist.
- Beta_Doradus wikiPageUsesTemplate Template:Sky.
- Beta_Doradus wikiPageUsesTemplate Template:Starbox_astrometry.
- Beta_Doradus wikiPageUsesTemplate Template:Starbox_begin.
- Beta_Doradus wikiPageUsesTemplate Template:Starbox_catalog.
- Beta_Doradus wikiPageUsesTemplate Template:Starbox_character.
- Beta_Doradus wikiPageUsesTemplate Template:Starbox_detail.
- Beta_Doradus wikiPageUsesTemplate Template:Starbox_end.
- Beta_Doradus wikiPageUsesTemplate Template:Starbox_image.
- Beta_Doradus wikiPageUsesTemplate Template:Starbox_observe.
- Beta_Doradus wikiPageUsesTemplate Template:Starbox_reference.
- Beta_Doradus wikiPageUsesTemplate Template:Stars_of_Dorado.
- Beta_Doradus subject Category:Bayer_objects.
- Beta_Doradus subject Category:Cepheid_variables.
- Beta_Doradus subject Category:Dorado_(constellation).
- Beta_Doradus subject Category:Durchmusterung_objects.
- Beta_Doradus subject Category:F-type_supergiants.