Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Iota_Ursae_Majoris> ?p ?o }
- Iota_Ursae_Majoris abstract "Iota Ursae Majoris (Iota UMa, ι Ursae Majoris, ι UMa) is a star system in the northern circumpolar constellation of Ursa Major. It has an apparent visual magnitude of 3.14, making it visible to the naked eye and placing it among the brighter members of this constellation. Based upon parallax measurements, it is located at a distance of 47.3 light-years (14.5 parsecs) from Earth. It has the traditional names Talitha, Talitha Borealis and Alphikra Borealis, and was also dubbed Dnoces ("Second," backwards) after Edward H. White II, an Apollo 1 astronaut. The name was invented by his fellow astronaut Gus Grissom as a practical joke.The Iota Ursae Majoris system is composed of two binary stars. The brightest component is a white A-type subgiant. It is a spectroscopic binary whose components have an orbital period of 4028 days. The companion binary is composed of the 9th magnitude and 10th magnitude stars. These two stars orbit around each other with a period of 39.7 years, and are separated by roughly 0.7 arcseconds, or at least 10 AU. This pair may be the source of the X-ray emission detected from this system.The two binary systems orbit around each other once every 818 years. The apparent separation between the two binaries is rapidly decreasing as they follow their orbits. In 1841 when the B component was first discovered, they had a separation of 10.7 arcseconds, or at least 156 AU. By 1971 their separation had decreased to 4.5 arcseconds, or at least 66 AU. This system appears to be dynamically unstable with a high likelihood and may become disrupted on a time scale on the order of 105 years.".
- Iota_Ursae_Majoris thumbnail Ursa_Major_IAU.svg?width=300.
- Iota_Ursae_Majoris wikiPageExternalLink 4c00680.htm.
- Iota_Ursae_Majoris wikiPageExternalLink talitha.html.
- Iota_Ursae_Majoris wikiPageExternalLink star_names_030829.html.
- Iota_Ursae_Majoris wikiPageID "2710431".
- Iota_Ursae_Majoris wikiPageLength "9879".
- Iota_Ursae_Majoris wikiPageOutDegree "47".
- Iota_Ursae_Majoris wikiPageRevisionID "682214412".
- Iota_Ursae_Majoris wikiPageWikiLink Apollo_1.
- Iota_Ursae_Majoris wikiPageWikiLink Apparent_magnitude.
- Iota_Ursae_Majoris wikiPageWikiLink Apparent_visual_magnitude.
- Iota_Ursae_Majoris wikiPageWikiLink Arcsecond.
- Iota_Ursae_Majoris wikiPageWikiLink Astronomical_Unit.
- Iota_Ursae_Majoris wikiPageWikiLink Astronomical_unit.
- Iota_Ursae_Majoris wikiPageWikiLink Binary_star.
- Iota_Ursae_Majoris wikiPageWikiLink Boss_General_Catalogue.
- Iota_Ursae_Majoris wikiPageWikiLink Bright_Star_Catalogue.
- Iota_Ursae_Majoris wikiPageWikiLink Catalogues_of_Fundamental_Stars.
- Iota_Ursae_Majoris wikiPageWikiLink Category:A-type_subgiants.
- Iota_Ursae_Majoris wikiPageWikiLink Category:Bayer_objects.
- Iota_Ursae_Majoris wikiPageWikiLink Category:Multiple_star_systems.
- Iota_Ursae_Majoris wikiPageWikiLink Category:Spectroscopic_binaries.
- Iota_Ursae_Majoris wikiPageWikiLink Category:Stars_with_proper_names.
- Iota_Ursae_Majoris wikiPageWikiLink Category:Ursa_Major_(constellation).
- Iota_Ursae_Majoris wikiPageWikiLink Chinese_language.
- Iota_Ursae_Majoris wikiPageWikiLink Circumpolar_constellation.
- Iota_Ursae_Majoris wikiPageWikiLink Edward_Higgins_White.
- Iota_Ursae_Majoris wikiPageWikiLink Fifth_Fundamental_Catalogue.
- Iota_Ursae_Majoris wikiPageWikiLink Gamma_Cassiopeiae.
- Iota_Ursae_Majoris wikiPageWikiLink Gamma_Velorum.
- Iota_Ursae_Majoris wikiPageWikiLink Gus_Grissom.
- Iota_Ursae_Majoris wikiPageWikiLink Henry_Draper_Catalogue.
- Iota_Ursae_Majoris wikiPageWikiLink Henry_Draper_catalogue.
- Iota_Ursae_Majoris wikiPageWikiLink Hipparcos.
- Iota_Ursae_Majoris wikiPageWikiLink Hipparcos_catalogue.
- Iota_Ursae_Majoris wikiPageWikiLink Kappa_Ursae_Majoris.
- Iota_Ursae_Majoris wikiPageWikiLink Lambda_Ursae_Majoris.
- Iota_Ursae_Majoris wikiPageWikiLink Latin.
- Iota_Ursae_Majoris wikiPageWikiLink Minute_and_second_of_arc.
- Iota_Ursae_Majoris wikiPageWikiLink Mu_Ursae_Majoris.
- Iota_Ursae_Majoris wikiPageWikiLink Nu_Ursae_Majoris.
- Iota_Ursae_Majoris wikiPageWikiLink On_the_order_of.
- Iota_Ursae_Majoris wikiPageWikiLink Order_of_magnitude.
- Iota_Ursae_Majoris wikiPageWikiLink PPM_Star_Catalogue.
- Iota_Ursae_Majoris wikiPageWikiLink Parallax.
- Iota_Ursae_Majoris wikiPageWikiLink Purple_Forbidden_enclosure.
- Iota_Ursae_Majoris wikiPageWikiLink Roger_B._Chaffee.
- Iota_Ursae_Majoris wikiPageWikiLink Smithsonian_Astrophysical_Observatory_Star_Catalog.
- Iota_Ursae_Majoris wikiPageWikiLink Space.com.
- Iota_Ursae_Majoris wikiPageWikiLink Spectroscopic_binary.
- Iota_Ursae_Majoris wikiPageWikiLink Star_catalogue.
- Iota_Ursae_Majoris wikiPageWikiLink Star_system.
- Iota_Ursae_Majoris wikiPageWikiLink Stellar_classification.
- Iota_Ursae_Majoris wikiPageWikiLink Subgiant.
- Iota_Ursae_Majoris wikiPageWikiLink Ursa_Major.
- Iota_Ursae_Majoris wikiPageWikiLink Washington_Double_Star_Catalog.
- Iota_Ursae_Majoris wikiPageWikiLink Xi_Ursae_Majoris.
- Iota_Ursae_Majoris wikiPageWikiLinkText "Dnoces".
- Iota_Ursae_Majoris wikiPageWikiLinkText "Iota Ursae Majoris".
- Iota_Ursae_Majoris wikiPageWikiLinkText "Talitha Borealis".
- Iota_Ursae_Majoris wikiPageWikiLinkText "ι UMa".
- Iota_Ursae_Majoris wikiPageWikiLinkText "ι Ursae Majoris".
- Iota_Ursae_Majoris wikiPageWikiLinkText "ι".
- Iota_Ursae_Majoris ageMyr "620".
- Iota_Ursae_Majoris appmagV "3.14".
- Iota_Ursae_Majoris bV "+0.19".
- Iota_Ursae_Majoris class "A7 IV + dM1 J".
- Iota_Ursae_Majoris component "ι UMa A".
- Iota_Ursae_Majoris constell Ursa_Major.
- Iota_Ursae_Majoris epoch "J2000".
- Iota_Ursae_Majoris hasPhotoCollection Iota_Ursae_Majoris.
- Iota_Ursae_Majoris pError "0.16".
- Iota_Ursae_Majoris parallax "68.92".
- Iota_Ursae_Majoris propMoDec "-215.32".
- Iota_Ursae_Majoris propMoRa "-441.29".
- Iota_Ursae_Majoris radialV "+9.0".
- Iota_Ursae_Majoris rotationalVelocity "154".
- Iota_Ursae_Majoris uB "+0.08".
- Iota_Ursae_Majoris variable "Suspected".
- Iota_Ursae_Majoris wikiPageUsesTemplate Template:Convert.
- Iota_Ursae_Majoris wikiPageUsesTemplate Template:Lang-en.
- Iota_Ursae_Majoris wikiPageUsesTemplate Template:Nearest_bright_star_systems.
- Iota_Ursae_Majoris wikiPageUsesTemplate Template:Reflist.
- Iota_Ursae_Majoris wikiPageUsesTemplate Template:Starbox_astrometry.
- Iota_Ursae_Majoris wikiPageUsesTemplate Template:Starbox_begin.
- Iota_Ursae_Majoris wikiPageUsesTemplate Template:Starbox_catalog.
- Iota_Ursae_Majoris wikiPageUsesTemplate Template:Starbox_character.
- Iota_Ursae_Majoris wikiPageUsesTemplate Template:Starbox_detail.
- Iota_Ursae_Majoris wikiPageUsesTemplate Template:Starbox_end.
- Iota_Ursae_Majoris wikiPageUsesTemplate Template:Starbox_image.
- Iota_Ursae_Majoris wikiPageUsesTemplate Template:Starbox_observe.
- Iota_Ursae_Majoris wikiPageUsesTemplate Template:Starbox_reference.
- Iota_Ursae_Majoris wikiPageUsesTemplate Template:Stars_of_Ursa_Major.
- Iota_Ursae_Majoris wikiPageUsesTemplate Template:Transl.
- Iota_Ursae_Majoris subject Category:A-type_subgiants.
- Iota_Ursae_Majoris subject Category:Bayer_objects.
- Iota_Ursae_Majoris subject Category:Multiple_star_systems.
- Iota_Ursae_Majoris subject Category:Spectroscopic_binaries.
- Iota_Ursae_Majoris subject Category:Stars_with_proper_names.
