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- IM_Pegasi abstract "IM Pegasi is a variable binary star system approximately 329 light-years away in the constellation of Pegasus. With an apparent magnitude of 5.7, it is visible to the naked eye. Increased public awareness of it is due to its use as the guide star for the Gravity Probe B general relativity experiment. It was chosen for this purpose because its microwave radio emissions are observable with a large radio telescope network on the ground in such a manner that its precise position can be related by interferometry to distant quasars.The two components of the binary system includes a K-type giant star and a G-type main sequence star. The primary star is estimated to be 1.8 times as massive and 13 times the diameter of the Sun. The secondary star is estimated to be similar to the Sun in size and mass. They orbit their common barycenter in a period precisely estimated to be 24.64877 days.".
- IM_Pegasi wikiPageExternalLink 2001IAUS..205..318L.
- IM_Pegasi wikiPageExternalLink faqs.html.
- IM_Pegasi wikiPageExternalLink impegasi.htm.
- IM_Pegasi wikiPageExternalLink guidestar.
- IM_Pegasi wikiPageID "1089659".
- IM_Pegasi wikiPageRevisionID "585032218".
- IM_Pegasi appmagV "5.892".
- IM_Pegasi class "K2 III / G3 V".
- IM_Pegasi component "G3V secondary".
- IM_Pegasi component "K2III primary".
- IM_Pegasi constell Pegasus_(constellation).
- IM_Pegasi eccentricity "0".
- IM_Pegasi epoch "J2000.0".
- IM_Pegasi hasPhotoCollection IM_Pegasi.
- IM_Pegasi inclination "65".
- IM_Pegasi k "34.29".
- IM_Pegasi k "62.31".
- IM_Pegasi mass "0.9".
- IM_Pegasi mass "1.6".
- IM_Pegasi name "unseen G3V".
- IM_Pegasi pError "0.76".
- IM_Pegasi parallax "10.33".
- IM_Pegasi periodUnitless "2.592".
- IM_Pegasi primary "K2III".
- IM_Pegasi propMoDec "-27.59".
- IM_Pegasi propMoRa "-20.97".
- IM_Pegasi radialV "-12.3".
- IM_Pegasi radius "1".
- IM_Pegasi radius "13.3".
- IM_Pegasi variable RS_Canum_Venaticorum_variable.
- IM_Pegasi subject Category:Binary_stars.
- IM_Pegasi subject Category:G-type_main-sequence_stars.
- IM_Pegasi subject Category:HR_objects.
- IM_Pegasi subject Category:Henry_Draper_Catalogue_objects.
- IM_Pegasi subject Category:K-type_giants.
- IM_Pegasi subject Category:Objects_named_with_variable_star_designations.
- IM_Pegasi subject Category:Pegasus_(constellation).
- IM_Pegasi subject Category:Variable_stars.
- IM_Pegasi type Animal100015388.
- IM_Pegasi type BinaryStar109221070.
- IM_Pegasi type BinaryStars.
- IM_Pegasi type CelestialBody109239740.
- IM_Pegasi type G-typeMainSequenceStars.
- IM_Pegasi type Giant101323781.
- IM_Pegasi type K-typeGiants.
- IM_Pegasi type LivingThing100004258.
- IM_Pegasi type NaturalObject100019128.
- IM_Pegasi type Object100002684.
- IM_Pegasi type Organism100004475.
- IM_Pegasi type PhysicalEntity100001930.
- IM_Pegasi type Star109444100.
- IM_Pegasi type VariableStar109469152.
- IM_Pegasi type VariableStars.
- IM_Pegasi type Whole100003553.
- IM_Pegasi type CelestialBody.
- IM_Pegasi type Star.
- IM_Pegasi type PhysicalBody.
- IM_Pegasi comment "IM Pegasi is a variable binary star system approximately 329 light-years away in the constellation of Pegasus. With an apparent magnitude of 5.7, it is visible to the naked eye. Increased public awareness of it is due to its use as the guide star for the Gravity Probe B general relativity experiment.".
- IM_Pegasi label "IM Pegasi".
- IM_Pegasi label "飛馬座IM".
- IM_Pegasi sameAs m.0451fk.
- IM_Pegasi sameAs Q5176689.
- IM_Pegasi sameAs Q5176689.
- IM_Pegasi sameAs IM_Pegasi.
- IM_Pegasi wasDerivedFrom IM_Pegasi?oldid=585032218.
- IM_Pegasi isPrimaryTopicOf IM_Pegasi.
- IM_Pegasi name "IM Pegasi".