Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/55_Cygni> ?p ?o }
Showing triples 1 to 97 of
97
with 100 triples per page.
- 55_Cygni abstract "55 Cygni (55 Cyg) is a blue supergiant star in the constellation Cygnus. It is thought to be a member of the Cygnus OB7 stellar association at about 2,700 light years.Its apparent magnitude is 4.86, but this is slightly variable and the star is also called V1661 Cyg. When first analysed, it was classified as an irregular supergiant variable, but subsequent studies have treated it as an Alpha Cygni variable. It shows pulsations with multiple periods from a few hours to 22 days, and both p- and g-modes. The spectrum also shows variation, leading to different classifications being given for the star.The exact properties of 55 Cygni are not known precisely and are also variable. It is a hot luminous supergiant several hundred thousand times as luminous as the sun. This star was originally a standard for the B3 Ia spectral type.The type of pulsations that 55 Cyg exhibits suggest that it was previously a red supergiant that has shed its outer layers. The most massive red supergiants are expected to pass through a blue supergiant phase before becoming a Wolf-Rayet star and eventually exploding as a type Ib or Ic supernova.".
- 55_Cygni thumbnail Cygnus_constellation_map.svg?width=300.
- 55_Cygni wikiPageID "36847414".
- 55_Cygni wikiPageLength "7482".
- 55_Cygni wikiPageOutDegree "32".
- 55_Cygni wikiPageRevisionID "707807652".
- 55_Cygni wikiPageWikiLink Alpha_Cygni_variable.
- 55_Cygni wikiPageWikiLink American_Association_of_Variable_Star_Observers.
- 55_Cygni wikiPageWikiLink Apparent_magnitude.
- 55_Cygni wikiPageWikiLink Asteroseismology.
- 55_Cygni wikiPageWikiLink Blue_supergiant.
- 55_Cygni wikiPageWikiLink Bright_Star_Catalogue.
- 55_Cygni wikiPageWikiLink Category:Alpha_Cygni_variables.
- 55_Cygni wikiPageWikiLink Category:B-type_supergiants.
- 55_Cygni wikiPageWikiLink Category:Cygnus_(constellation).
- 55_Cygni wikiPageWikiLink Category:Durchmusterung_objects.
- 55_Cygni wikiPageWikiLink Category:Flamsteed_objects.
- 55_Cygni wikiPageWikiLink Category:HR_objects.
- 55_Cygni wikiPageWikiLink Category:Henry_Draper_Catalogue_objects.
- 55_Cygni wikiPageWikiLink Category:Hipparcos_objects.
- 55_Cygni wikiPageWikiLink Category:Objects_named_with_variable_star_designations.
- 55_Cygni wikiPageWikiLink Constellation.
- 55_Cygni wikiPageWikiLink Cygnus_(constellation).
- 55_Cygni wikiPageWikiLink Cygnus_OB7.
- 55_Cygni wikiPageWikiLink Durchmusterung.
- 55_Cygni wikiPageWikiLink Flamsteed_designation.
- 55_Cygni wikiPageWikiLink Henry_Draper_Catalogue.
- 55_Cygni wikiPageWikiLink Hipparcos.
- 55_Cygni wikiPageWikiLink Red_supergiant.
- 55_Cygni wikiPageWikiLink Slow_irregular_variable.
- 55_Cygni wikiPageWikiLink Smithsonian_Astrophysical_Observatory_Star_Catalog.
- 55_Cygni wikiPageWikiLink Star.
- 55_Cygni wikiPageWikiLink Stellar_kinematics.
- 55_Cygni wikiPageWikiLink Supernova.
- 55_Cygni wikiPageWikiLink Variable_star_designation.
- 55_Cygni wikiPageWikiLink Wolf–Rayet_star.
- 55_Cygni wikiPageWikiLinkText "55 Cyg".
- 55_Cygni absmagV "−6.93 - −7.26".
- 55_Cygni appmagV "4.86".
- 55_Cygni bV "+0.42".
- 55_Cygni class "B2.5Ia - B4Ia".
- 55_Cygni constell Cygnus_(constellation).
- 55_Cygni distPc "830".
- 55_Cygni epoch "J2000".
- 55_Cygni gravity "2.35".
- 55_Cygni luminosity "324000".
- 55_Cygni mass "23".
- 55_Cygni pError "0.17".
- 55_Cygni parallax "1.4".
- 55_Cygni propMoDec "−2.84".
- 55_Cygni propMoRa "−2.65".
- 55_Cygni radialV "−7.2".
- 55_Cygni radius "54".
- 55_Cygni rotationalVelocity "61".
- 55_Cygni temperature "18600".
- 55_Cygni uB "−0.45".
- 55_Cygni variable "L or α Cyg".
- 55_Cygni wikiPageUsesTemplate Template:DEC.
- 55_Cygni wikiPageUsesTemplate Template:Location_mark.
- 55_Cygni wikiPageUsesTemplate Template:RA.
- 55_Cygni wikiPageUsesTemplate Template:Reflist.
- 55_Cygni wikiPageUsesTemplate Template:Starbox_astrometry.
- 55_Cygni wikiPageUsesTemplate Template:Starbox_begin.
- 55_Cygni wikiPageUsesTemplate Template:Starbox_catalog.
- 55_Cygni wikiPageUsesTemplate Template:Starbox_character.
- 55_Cygni wikiPageUsesTemplate Template:Starbox_detail.
- 55_Cygni wikiPageUsesTemplate Template:Starbox_end.
- 55_Cygni wikiPageUsesTemplate Template:Starbox_image.
- 55_Cygni wikiPageUsesTemplate Template:Starbox_observe.
- 55_Cygni wikiPageUsesTemplate Template:Starbox_reference.
- 55_Cygni wikiPageUsesTemplate Template:Stars_of_Cygnus.
- 55_Cygni subject Category:Alpha_Cygni_variables.
- 55_Cygni subject Category:B-type_supergiants.
- 55_Cygni subject Category:Cygnus_(constellation).
- 55_Cygni subject Category:Durchmusterung_objects.
- 55_Cygni subject Category:Flamsteed_objects.
- 55_Cygni subject Category:HR_objects.
- 55_Cygni subject Category:Henry_Draper_Catalogue_objects.
- 55_Cygni subject Category:Hipparcos_objects.
- 55_Cygni subject Category:Objects_named_with_variable_star_designations.
- 55_Cygni hypernym Star.
- 55_Cygni type CelestialBody.
- 55_Cygni type Place.
- 55_Cygni type Star.
- 55_Cygni type Catalogue.
- 55_Cygni type Location.
- 55_Cygni type Place.
- 55_Cygni type Thing.
- 55_Cygni comment "55 Cygni (55 Cyg) is a blue supergiant star in the constellation Cygnus. It is thought to be a member of the Cygnus OB7 stellar association at about 2,700 light years.Its apparent magnitude is 4.86, but this is slightly variable and the star is also called V1661 Cyg. When first analysed, it was classified as an irregular supergiant variable, but subsequent studies have treated it as an Alpha Cygni variable.".
- 55_Cygni label "55 Cygni".
- 55_Cygni sameAs Q4640599.
- 55_Cygni sameAs m.0lpy1yy.
- 55_Cygni sameAs Q4640599.
- 55_Cygni wasDerivedFrom 55_Cygni?oldid=707807652.
- 55_Cygni depiction Cygnus_constellation_map.svg.
- 55_Cygni isPrimaryTopicOf 55_Cygni.
- 55_Cygni name "55 Cygni".