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- Saiph abstract "Saiph (κ Orionis, 53 Orionis) is the sixth-brightest star in the constellation of Orion. Of the four bright stars that compose Orion's main quadrangle, it is the star at the south-eastern corner. A northern-hemisphere observer facing south would see it at the lower left of Orion, and a southern-hemisphere observer facing north would see it at the upper right. The name Saiph is from the Arabic saif al jabbar, 'سیف الجبّار' literally sword of the giant. This name was originally applied to Eta Orionis.In the 17th century catalogue of stars in the Calendarium of Al Achsasi al Mouakket, this star was designated Rekbah al Jauza al Yemeniat, which was translated into Latin as Genu Dextrum Gigantis \"right knee of the giant\".Parallax measurements yield an estimated distance of 650 light-years (198 parsecs) from Earth, which is about the same as Betelgeuse. However despite being a hotter star, it is smaller and less luminous than Rigel with an apparent visual magnitude of 2.1. The luminosity of this star changes slightly, varying by 0.04 magnitudes.Saiph has a stellar classification of B0.5 Ia. The luminosity class 'Ia' represents a bright supergiant star that has exhausted the supply of hydrogen at its core and evolved away from the main sequence. Saiph has a strong stellar wind and is losing mass at the rate of 9.0 × 10−7 times the mass of the Sun per year, or the equivalent of the Sun's mass every 1.1 million years. Using a combination of parallax as determined by HIPPARCOS and spectrum yields a mass 15.50 ± 1.25 times and luminosity 56,881 times that of the Sun. Analysis of the spectra and age of the members of the Orion OB1 association yields a mass 28 times that of the Sun (from an original mass 31.8 times that of the Sun) and an age of 6.2 million years. Large stars such as Saiph (and many other stars in Orion) are destined to collapse on themselves and explode as Type II supernovae.".
- Saiph thumbnail Orion_constellation_map.svg?width=300.
- Saiph wikiPageID "199181".
- Saiph wikiPageLength "9613".
- Saiph wikiPageOutDegree "39".
- Saiph wikiPageRevisionID "707924256".
- Saiph wikiPageWikiLink Al_Achsasi_al_Mouakket.
- Saiph wikiPageWikiLink Apparent_magnitude.
- Saiph wikiPageWikiLink Arabic.
- Saiph wikiPageWikiLink Betelgeuse.
- Saiph wikiPageWikiLink Bright_Star_Catalogue.
- Saiph wikiPageWikiLink Catalogues_of_Fundamental_Stars.
- Saiph wikiPageWikiLink Category:B-type_supergiants.
- Saiph wikiPageWikiLink Category:Bayer_objects.
- Saiph wikiPageWikiLink Category:Durchmusterung_objects.
- Saiph wikiPageWikiLink Category:Flamsteed_objects.
- Saiph wikiPageWikiLink Category:HR_objects.
- Saiph wikiPageWikiLink Category:Henry_Draper_Catalogue_objects.
- Saiph wikiPageWikiLink Category:Hipparcos_objects.
- Saiph wikiPageWikiLink Category:Orion_(constellation).
- Saiph wikiPageWikiLink Category:Stars_with_proper_names.
- Saiph wikiPageWikiLink Category:Suspected_variables.
- Saiph wikiPageWikiLink Constellation.
- Saiph wikiPageWikiLink Durchmusterung.
- Saiph wikiPageWikiLink Eta_Orionis.
- Saiph wikiPageWikiLink Giant_(mythology).
- Saiph wikiPageWikiLink Henry_Draper_Catalogue.
- Saiph wikiPageWikiLink Hipparcos.
- Saiph wikiPageWikiLink Latin.
- Saiph wikiPageWikiLink Light-year.
- Saiph wikiPageWikiLink Main_sequence.
- Saiph wikiPageWikiLink Orion_(constellation).
- Saiph wikiPageWikiLink Parallax.
- Saiph wikiPageWikiLink Parsec.
- Saiph wikiPageWikiLink Scimitar.
- Saiph wikiPageWikiLink Smithsonian_Astrophysical_Observatory_Star_Catalog.
- Saiph wikiPageWikiLink Star.
- Saiph wikiPageWikiLink Stellar_classification.
- Saiph wikiPageWikiLink Stellar_evolution.
- Saiph wikiPageWikiLink Stellar_wind.
- Saiph wikiPageWikiLink Supergiant.
- Saiph wikiPageWikiLink Type_II_supernova.
- Saiph wikiPageWikiLink Wardaman.
- Saiph wikiPageWikiLinkText "Saiph".
- Saiph absmagV "–6.1".
- Saiph ageMyr "11.1".
- Saiph appmagV "2.09".
- Saiph bV "–0.18".
- Saiph class "B0.5Iavar".
- Saiph constell Orion_(constellation).
- Saiph epoch "J2000".
- Saiph gravity "2.9".
- Saiph luminosity "56881".
- Saiph mass "15.5".
- Saiph pError "0.22".
- Saiph parallax "5.04".
- Saiph propMoDec "–1.28".
- Saiph propMoRa "+1.46".
- Saiph radialV "+20.5".
- Saiph radius "22.2".
- Saiph rotationalVelocity "83".
- Saiph temperature "26500".
- Saiph uB "–1.02".
- Saiph variable "Suspected".
- Saiph wikiPageUsesTemplate Template:Cn.
- Saiph wikiPageUsesTemplate Template:DEC.
- Saiph wikiPageUsesTemplate Template:Location_mark.
- Saiph wikiPageUsesTemplate Template:RA.
- Saiph wikiPageUsesTemplate Template:Reflist.
- Saiph wikiPageUsesTemplate Template:Sky.
- Saiph wikiPageUsesTemplate Template:Starbox_astrometry.
- Saiph wikiPageUsesTemplate Template:Starbox_begin.
- Saiph wikiPageUsesTemplate Template:Starbox_catalog.
- Saiph wikiPageUsesTemplate Template:Starbox_character.
- Saiph wikiPageUsesTemplate Template:Starbox_detail.
- Saiph wikiPageUsesTemplate Template:Starbox_end.
- Saiph wikiPageUsesTemplate Template:Starbox_image.
- Saiph wikiPageUsesTemplate Template:Starbox_observe.
- Saiph wikiPageUsesTemplate Template:Starbox_reference.
- Saiph wikiPageUsesTemplate Template:Stars_of_Orion.
- Saiph subject Category:B-type_supergiants.
- Saiph subject Category:Bayer_objects.
- Saiph subject Category:Durchmusterung_objects.
- Saiph subject Category:Flamsteed_objects.
- Saiph subject Category:HR_objects.
- Saiph subject Category:Henry_Draper_Catalogue_objects.
- Saiph subject Category:Hipparcos_objects.
- Saiph subject Category:Orion_(constellation).
- Saiph subject Category:Stars_with_proper_names.
- Saiph subject Category:Suspected_variables.
- Saiph hypernym Star.
- Saiph type CelestialBody.
- Saiph type Place.
- Saiph type Star.
- Saiph type Catalogue.
- Saiph type Location.
- Saiph type Place.
- Saiph type Thing.
- Saiph comment "Saiph (κ Orionis, 53 Orionis) is the sixth-brightest star in the constellation of Orion. Of the four bright stars that compose Orion's main quadrangle, it is the star at the south-eastern corner. A northern-hemisphere observer facing south would see it at the lower left of Orion, and a southern-hemisphere observer facing north would see it at the upper right. The name Saiph is from the Arabic saif al jabbar, 'سیف الجبّار' literally sword of the giant.".
- Saiph label "Saiph".