Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Electra_(star)> ?p ?o }
- Electra_(star) abstract "Electra, also cataloged as 17 Tauri, is a blue-white giant star in the constellation of Taurus. The star is one of the nine brightest stars in the Pleiades open cluster. The most visible stars in this group are named for the Seven Sisters of Greek mythology.The star has an apparent brightness of 3.72, the third brightest of the stars in the group. Electra belongs to the spectral class B6 IIIe and is approximately 370 light years from the Sun. Electra is one of the four Pleiades stars that is classed as a giant; one that is starting to expand as the internal hydrogen fuel in the core is exhausted.The projected rotational velocity of this star is 181 km/s, making it a fast rotator. This is the velocity component of the star's equatorial rotation along the line of sight to the Earth. The estimated inclination of the star's pole is 46.8° ± 1.6, giving it a true equatorial rotational velocity of 320 ± 18 km/s. The rapid rotation rate of this star flattens the poles and stretch the equator. This makes the surface gravity of the star non-uniform and causes temperature variation. This effect is known as gravity darkening, because it results in a variation of radiation by latitude. The rapid rotation extends the life span of the star by increasing the core density and reducing the radiation output.This is classified as a Be star, which is a B-type star with prominent emission lines of hydrogen in its spectrum. The Be stars have a rotation rate that is 1.5–2 times the rotation of normal B-type stars. This high rate of rotation may allow mass loss during even minor prominences. Changes in the radial velocity measurements indicate that this star may have a companion, which would make Electra a spectroscopic binary.Infrared observations of this star showed an excess level of radiation equal to about 0.5 magnitudes. This emission is probably from a gaseous disk created by radiation-driven mass loss and rapid rotation of the star. These disks are created by an ejection of material roughly every ten years, which then settles into the equatorial plane about the star. However, the bright nebulosity that surrounds this star makes the observation uncertain.Electra is periodically occulted by the Moon and occasionally by other planets in the Solar System. The last planetary occultation took place on May 9, 1841, when it was occulted by Venus.".
- Electra_(star) thumbnail M45map.jpg?width=300.
- Electra_(star) wikiPageExternalLink electra.html.
- Electra_(star) wikiPageID "2013881".
- Electra_(star) wikiPageLength "8733".
- Electra_(star) wikiPageOutDegree "44".
- Electra_(star) wikiPageRevisionID "699381875".
- Electra_(star) wikiPageWikiLink Binary_star.
- Electra_(star) wikiPageWikiLink Boss_General_Catalogue.
- Electra_(star) wikiPageWikiLink Bright_Star_Catalogue.
- Electra_(star) wikiPageWikiLink Catalogues_of_Fundamental_Stars.
- Electra_(star) wikiPageWikiLink Category:B-type_giants.
- Electra_(star) wikiPageWikiLink Category:Flamsteed_objects.
- Electra_(star) wikiPageWikiLink Category:Pleiades_Open_Cluster.
- Electra_(star) wikiPageWikiLink Category:Stars_with_proper_names.
- Electra_(star) wikiPageWikiLink Category:Taurus_(constellation).
- Electra_(star) wikiPageWikiLink Constellation.
- Electra_(star) wikiPageWikiLink Flamsteed_designation.
- Electra_(star) wikiPageWikiLink Giant_star.
- Electra_(star) wikiPageWikiLink Gravity_darkening.
- Electra_(star) wikiPageWikiLink Greek_mythology.
- Electra_(star) wikiPageWikiLink Henry_Draper_Catalogue.
- Electra_(star) wikiPageWikiLink Hipparcos.
- Electra_(star) wikiPageWikiLink Hydrogen.
- Electra_(star) wikiPageWikiLink Infrared.
- Electra_(star) wikiPageWikiLink Infrared_excess.
- Electra_(star) wikiPageWikiLink Light-year.
- Electra_(star) wikiPageWikiLink Moon.
- Electra_(star) wikiPageWikiLink Occultation.
- Electra_(star) wikiPageWikiLink Open_cluster.
- Electra_(star) wikiPageWikiLink Planet.
- Electra_(star) wikiPageWikiLink Pleiades.
- Electra_(star) wikiPageWikiLink Pleiades_(Greek_mythology).
- Electra_(star) wikiPageWikiLink Radial_velocity.
- Electra_(star) wikiPageWikiLink Solar_System.
- Electra_(star) wikiPageWikiLink Star.
- Electra_(star) wikiPageWikiLink Star_catalogue.
- Electra_(star) wikiPageWikiLink Stellar_classification.
- Electra_(star) wikiPageWikiLink Stellar_rotation.
- Electra_(star) wikiPageWikiLink Taurus_(constellation).
- Electra_(star) wikiPageWikiLink USS_Electra_(1843).
- Electra_(star) wikiPageWikiLink USS_Electra_(AKA-4).
- Electra_(star) wikiPageWikiLink United_States.
- Electra_(star) wikiPageWikiLink United_States_Navy.
- Electra_(star) wikiPageWikiLink University_of_Illinois_at_Urbana–Champaign.
- Electra_(star) wikiPageWikiLink File:M45map.jpg.
- Electra_(star) wikiPageWikiLinkText "17 Tau".
- Electra_(star) wikiPageWikiLinkText "Electra (star)".
- Electra_(star) wikiPageWikiLinkText "Electra".
- Electra_(star) wikiPageWikiLinkText "the star Electra".
- Electra_(star) age "1.15".
- Electra_(star) appmagV "3.705".
- Electra_(star) bV "-0.12".
- Electra_(star) class "B6 IIIe".
- Electra_(star) constell Taurus_(constellation).
- Electra_(star) epoch "J2000".
- Electra_(star) gravity "3.412".
- Electra_(star) pError "1.05".
- Electra_(star) parallax "5.72".
- Electra_(star) propMoDec "-44.92".
- Electra_(star) propMoRa "21.55".
- Electra_(star) radialV "+10.9".
- Electra_(star) rotation "v sin i = 181 km/s".
- Electra_(star) temperature "13484".
- Electra_(star) uB "-0.4".
- Electra_(star) wikiPageUsesTemplate Template:Citation_needed.
- Electra_(star) wikiPageUsesTemplate Template:Cite_web.
- Electra_(star) wikiPageUsesTemplate Template:Commons_category.
- Electra_(star) wikiPageUsesTemplate Template:DEC.
- Electra_(star) wikiPageUsesTemplate Template:RA.
- Electra_(star) wikiPageUsesTemplate Template:Reflist.
- Electra_(star) wikiPageUsesTemplate Template:Starbox_astrometry.
- Electra_(star) wikiPageUsesTemplate Template:Starbox_begin.
- Electra_(star) wikiPageUsesTemplate Template:Starbox_catalog.
- Electra_(star) wikiPageUsesTemplate Template:Starbox_character.
- Electra_(star) wikiPageUsesTemplate Template:Starbox_detail.
- Electra_(star) wikiPageUsesTemplate Template:Starbox_end.
- Electra_(star) wikiPageUsesTemplate Template:Starbox_image.
- Electra_(star) wikiPageUsesTemplate Template:Starbox_observe.
- Electra_(star) wikiPageUsesTemplate Template:Stars_of_Taurus.
- Electra_(star) subject Category:B-type_giants.
- Electra_(star) subject Category:Flamsteed_objects.
- Electra_(star) subject Category:Pleiades_Open_Cluster.
- Electra_(star) subject Category:Stars_with_proper_names.
- Electra_(star) subject Category:Taurus_(constellation).
- Electra_(star) hypernym Star.
- Electra_(star) type CelestialBody.
- Electra_(star) type Place.
- Electra_(star) type Star.
- Electra_(star) type Catalogue.
- Electra_(star) type Location.
- Electra_(star) type Place.
- Electra_(star) type Thing.
- Electra_(star) comment "Electra, also cataloged as 17 Tauri, is a blue-white giant star in the constellation of Taurus. The star is one of the nine brightest stars in the Pleiades open cluster. The most visible stars in this group are named for the Seven Sisters of Greek mythology.The star has an apparent brightness of 3.72, the third brightest of the stars in the group. Electra belongs to the spectral class B6 IIIe and is approximately 370 light years from the Sun.".
- Electra_(star) label "Electra (star)".
- Electra_(star) sameAs Q13429.
- Electra_(star) sameAs إلكترا_(نجم).
- Electra_(star) sameAs Electra_(estrella).
- Electra_(star) sameAs Electra_(hvězda).
- Electra_(star) sameAs Elektra_(Stern).