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- IK_Pegasi abstract "IK Pegasi (or HR 8210) is a binary star system in the constellation Pegasus. It is just luminous enough to be seen with the unaided eye, at a distance of about 150 light years from the Solar System.The primary (IK Pegasi A) is an A-type main-sequence star that displays minor pulsations in luminosity. It is categorized as a Delta Scuti variable star and it has a periodic cycle of luminosity variation that repeats itself about 22.9 times per day. Its companion (IK Pegasi B) is a massive white dwarf—a star that has evolved past the main sequence and is no longer generating energy through nuclear fusion. They orbit each other every 21.7 days with an average separation of about 31 million kilometres, or 19 million miles, or 0.21 astronomical units (AU). This is smaller than the orbit of Mercury around the Sun.IK Pegasi B is the nearest known supernova progenitor candidate. When the primary begins to evolve into a red giant, it is expected to grow to a radius where the white dwarf can accrete matter from the expanded gaseous envelope. When the white dwarf approaches the Chandrasekhar limit of 1.44 solar masses, it may explode as a Type Ia supernova.".
- IK_Pegasi thumbnail Location_of_IK_Pegasi.png?width=300.
- IK_Pegasi wikiPageExternalLink supernovae2.htm.
- IK_Pegasi wikiPageExternalLink 2.%20The%20main%20star%20-%20IK%20Peg%20A.
- IK_Pegasi wikiPageExternalLink snrisks.txt.
- IK_Pegasi wikiPageID "9009961".
- IK_Pegasi wikiPageRevisionID "604445740".
- IK_Pegasi absmagV "2.762".
- IK_Pegasi age "5".
- IK_Pegasi appmagV "6.078".
- IK_Pegasi bV "0.24".
- IK_Pegasi class "A8m:/DA".
- IK_Pegasi colwidth "30".
- IK_Pegasi constell Pegasus_(constellation).
- IK_Pegasi epoch "J2000".
- IK_Pegasi gravity "4.25".
- IK_Pegasi group ""nb"".
- IK_Pegasi hasPhotoCollection IK_Pegasi.
- IK_Pegasi luminosity "8".
- IK_Pegasi mass "1.65".
- IK_Pegasi metal "117".
- IK_Pegasi pError "0.78".
- IK_Pegasi parallax "21.72".
- IK_Pegasi propMoDec "17.28".
- IK_Pegasi propMoRa "80.23".
- IK_Pegasi radialV "-11.4".
- IK_Pegasi radius "1.6".
- IK_Pegasi rotation "< 32.5/– km/s".
- IK_Pegasi temperature "7700".
- IK_Pegasi uB "0.03".
- IK_Pegasi variable Delta_Scuti_variable.
- IK_Pegasi subject Category:A-type_main-sequence_stars.
- IK_Pegasi subject Category:HR_objects.
- IK_Pegasi subject Category:Henry_Draper_Catalogue_objects.
- IK_Pegasi subject Category:Objects_named_with_variable_star_designations.
- IK_Pegasi subject Category:Pegasus_(constellation).
- IK_Pegasi subject Category:Spectroscopic_binaries.
- IK_Pegasi subject Category:Supernovae.
- IK_Pegasi subject Category:White_dwarfs.
- IK_Pegasi type A-typeMainSequenceStars.
- IK_Pegasi type BinaryStar109221070.
- IK_Pegasi type CelestialBody109239740.
- IK_Pegasi type NaturalObject100019128.
- IK_Pegasi type Object100002684.
- IK_Pegasi type PhysicalEntity100001930.
- IK_Pegasi type SpectroscopicBinaries.
- IK_Pegasi type Star109444100.
- IK_Pegasi type Supernova109451237.
- IK_Pegasi type Supernovae.
- IK_Pegasi type WhiteDwarf109478569.
- IK_Pegasi type WhiteDwarfStars.
- IK_Pegasi type Whole100003553.
- IK_Pegasi type CelestialBody.
- IK_Pegasi type Star.
- IK_Pegasi type PhysicalBody.
- IK_Pegasi comment "IK Pegasi (or HR 8210) is a binary star system in the constellation Pegasus. It is just luminous enough to be seen with the unaided eye, at a distance of about 150 light years from the Solar System.The primary (IK Pegasi A) is an A-type main-sequence star that displays minor pulsations in luminosity. It is categorized as a Delta Scuti variable star and it has a periodic cycle of luminosity variation that repeats itself about 22.9 times per day.".
- IK_Pegasi label "IK Pegasi".
- IK_Pegasi label "IK Pegasi".
- IK_Pegasi label "IK Pegasi".
- IK_Pegasi label "IK Pegasi".
- IK_Pegasi label "IK Pegasi".
- IK_Pegasi label "IK Pegasi".
- IK_Pegasi label "IK Pegasi".
- IK_Pegasi label "IK Пегаса".
- IK_Pegasi label "ペガスス座IK星".
- IK_Pegasi label "飛馬座IK".
- IK_Pegasi sameAs IK_Pegasi.
- IK_Pegasi sameAs IK_Pegasi.
- IK_Pegasi sameAs IK_Pegasi.
- IK_Pegasi sameAs IK_Pegasi.
- IK_Pegasi sameAs ペガスス座IK星.
- IK_Pegasi sameAs 페가수스자리_IK.
- IK_Pegasi sameAs IK_Pegasi.
- IK_Pegasi sameAs IK_Pegasi.
- IK_Pegasi sameAs m.027t9h7.
- IK_Pegasi sameAs Q640325.
- IK_Pegasi sameAs Q640325.
- IK_Pegasi sameAs IK_Pegasi.
- IK_Pegasi wasDerivedFrom IK_Pegasi?oldid=604445740.
- IK_Pegasi depiction Location_of_IK_Pegasi.png.
- IK_Pegasi isPrimaryTopicOf IK_Pegasi.
- IK_Pegasi name "IK Pegasi".