About: 52 Cygni

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52 Cygni is a giant star in the northern constellation of Cygnus with an apparent magnitude of 4.22. Based on its Hipparcos parallax, it is about 291 light-years (89 pc) away. 52 Cygni is a probable horizontal branch (red clump) star, fusing helium in its core, although there is a 25% chance that it is still on the red giant branch (RGB) and fusing hydrogen in a shell around an insert core. As a clump giant it would be 2.27 billion years old, but only 910 million years if 52 Cygni is an RGB star. It shines with a bolometric luminosity of about 90 L☉ at an effective temperature of 4,677 K. It has a radius of about 14 R☉.

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rdf:type	Thing place dbo:Location schema:Place celestial body yago:WikicatBinaryStars yago:WikicatStars yago:BinaryStar109221070 yago:CelestialBody109239740 yago:NaturalObject100019128 yago:Object100002684 yago:PhysicalEntity100001930 yago:WikicatHenryDraperCatalogueObjects star yago:Star109444100 yago:Whole100003553
rdfs:label	52 del Cigne (ca) 52 Cygni (de) 52 Cygni (en) 52 Cygni (es) 52 Cygni (sv) 天津增十九 (zh)
rdfs:comment	52 del Cigne (52 Cygni) és un estel de la constel·lació del Cigne. De magnitud aparent +4,22, es troba a 203 anys llum del sistema solar. (ca) 52 Cygni (52 Cyg) es una estrella en la constelación del Cisne.De magnitud aparente +4,22, se encuentra a 203 años luz del sistema solar. (es) 52 Cygni, som är stjärnans Flamsteed-beteckning, är en ensam stjärna belägen i den södra delen av stjärnbilden Svanen. Den har en skenbar magnitud på ca 4,22 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 16,2 mas, beräknas den befinna sig på ett avstånd på ca 201 ljusår (ca 62 parsek) från solen. Den rör sig närmare solen med en heliocentrisk radialhastighet av ca -0,7 km/s. (sv) 天津增十九 (天鵝座52)是在北半球天鵝座的一顆巨星，視星等為4.22等。根據依巴谷衛星的視差，它的距離大約是291光年（89秒差距）遠。天津增十九很可能是水平分支上的紅團簇星，它的核心融合了氫，然而還有25%的可能性仍是紅巨星分支(RGB)上的恆星，氫融合只在核心周圍的氫殼層進行。如果是紅團簇星，它的年齡高達22.7億歲，但如果只是RGB星，則只有9.1億歲。在4,677K的有效溫度下，它的光度大約是90 L☉，它的半徑大約是about 14 R☉。天津增十九有一顆黯淡的9.5等伴星，與主星的角距離為6角秒。 (zh) 52 Cygni is a giant star in the northern constellation of Cygnus with an apparent magnitude of 4.22. Based on its Hipparcos parallax, it is about 291 light-years (89 pc) away. 52 Cygni is a probable horizontal branch (red clump) star, fusing helium in its core, although there is a 25% chance that it is still on the red giant branch (RGB) and fusing hydrogen in a shell around an insert core. As a clump giant it would be 2.27 billion years old, but only 910 million years if 52 Cygni is an RGB star. It shines with a bolometric luminosity of about 90 L☉ at an effective temperature of 4,677 K. It has a radius of about 14 R☉. (en) 52 Cygni ist ein Riesenstern im Sternbild Schwan mit einer scheinbaren Helligkeit von 4,22 mag und ist etwa 291 Lichtjahre entfernt (berechnet durch Hipparcos). 52 Cygni befindet sich wahrscheinlich im Horizontalast und könnte ein Red Clump Star sein, welcher bereits einen heliumbrennenden Kern besitzt. Allerdings ist es auch möglich, dass sich 52 Cygni noch im Ast der Roten Riesen befindet und Wasserstoff fusioniert. Falls 52 Cygni ein Red Clump Star ist, wäre dieser circa 2,27 Milliarden Jahre alt. Befände sich 52 Cygni aber im Ast der Roten Riesen, wäre er etwa 910 Millionen Jahre alt. 52 Cygni scheint mit einer Leuchtkraft von etwa 90 L☉ und einer effektiven Temperatur von 4677 K und hat einen Radius von circa 14 R☉. (de)
foaf:depiction
dcterms:subject	Binary stars Bright Star Catalogue objects Cygnus (constellation) Durchmusterung objects Flamsteed objects G-type giants Henry Draper Catalogue objects Hipparcos objects Horizontal-branch stars
Wikipage page ID	16799377 (xsd:integer)
Wikipage revision ID	1079521425 (xsd:integer)
Link from a Wikipage to another Wikipage	Bonner Durchmusterung Binary stars Bright Star Catalogue objects Cygnus (constellation) Durchmusterung objects Flamsteed objects G-type giants Henry Draper Catalogue objects Hipparcos objects Horizontal-branch stars Constellation Effective temperature Red giant branch Apparent magnitude Henry Draper Catalogue Horizontal branch Red clump Aitken Double Star Catalogue Cygnus (constellation) Bright Star Catalogue Hipparcos Angular separation Bolometric luminosity Catalog of Components of Double and Multiple Stars Smithsonian Astrophysical Observatory Star Catalog Washington Double Star Catalog Giant star Hipparcos catalogue
sameAs	52 Cygni 52 Cygni 52 Cygni 52 Cygni 52 Cygni 52 Cygni 52 Cygni 52 Cygni 52 Cygni 52 Cygni 52 Cygni 52 Cygni 52 Cygni
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