Psi Cygni
http://dbpedia.org/resource/Psi_Cygni an entity of type: Thing
Psi Cygni (24 Cygni) é uma estrela múltipla na direção da constelação de Cygnus. Possui uma ascensão reta de 19h 55m 37.82s e uma declinação de +52° 26′ 20.5″. Sua magnitude aparente é igual a 4.91. Considerando sua distância de 288 anos-luz em relação à Terra, sua magnitude absoluta é igual a 0.18. Pertence à classe espectral A4Vn.
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Psi Cygni (ψ Cygni, förkortat Psi Cyg, ψ Cyg) som är stjärnans Bayerbeteckning, är en trippelstjärna belägen i den norra delen av stjärnbilden Svanen (stjärnbild). Den har en kombinerad skenbar magnitud på 4,92 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 11,6 mas, beräknas den befinna sig på ett avstånd på ca 280 ljusår (ca 86 parsek) från solen.
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天鵝座ψ，又名BD+52 2572，HD 189037、SAO 32114、HR 7619，是天鵝座的一颗恒星，视星等为4.92，位于銀經86.11，銀緯12.21，其B1900.0坐标为赤經19h 53m 2.6s，赤緯+52° 12.21′ 24″。
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ψ Cygni, Latinised as Psi Cygni, is a triple star system in the constellation called Cygnus. With a combined apparent visual magnitude of 4.92, it is visible to the naked eye. As of 2002, the inner pair, components Aa and Ab, had an angular separation of 0.10 arc seconds along a position angle of 77.6°. Their combined visual magnitude is 5.05. Relative to this pair, the third member of the system, magnitude 7.61 component B, had an angular separation of 2.87 arc seconds along a position angle of 175.6° as of 2010. Based upon an annual parallax shift of 11.59 mas, Psi Cygni is located around 281 light years from the Sun.
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Psi Cygni
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Psi Cygni
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Psi Cygni
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天鵝座ψ
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Psi Cygni
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Ab
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A4 Vn
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B
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ψ Cyg Aa
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ψ Cyg B
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ψ Cygni, Latinised as Psi Cygni, is a triple star system in the constellation called Cygnus. With a combined apparent visual magnitude of 4.92, it is visible to the naked eye. As of 2002, the inner pair, components Aa and Ab, had an angular separation of 0.10 arc seconds along a position angle of 77.6°. Their combined visual magnitude is 5.05. Relative to this pair, the third member of the system, magnitude 7.61 component B, had an angular separation of 2.87 arc seconds along a position angle of 175.6° as of 2010. Based upon an annual parallax shift of 11.59 mas, Psi Cygni is located around 281 light years from the Sun. The brighter member of the system, presumably component Aa, displays the spectrum of an A-type main sequence star with a stellar classification of A4 Vn, where the 'n' notation indicates "nebulous" absorption lines due to rapid rotation. It appears to be a spinning with a projected rotational velocity of 207. The component is radiating 62 times the solar luminosity from its outer atmosphere at an effective temperature of 7,971 K.
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Psi Cygni (24 Cygni) é uma estrela múltipla na direção da constelação de Cygnus. Possui uma ascensão reta de 19h 55m 37.82s e uma declinação de +52° 26′ 20.5″. Sua magnitude aparente é igual a 4.91. Considerando sua distância de 288 anos-luz em relação à Terra, sua magnitude absoluta é igual a 0.18. Pertence à classe espectral A4Vn.
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Psi Cygni (ψ Cygni, förkortat Psi Cyg, ψ Cyg) som är stjärnans Bayerbeteckning, är en trippelstjärna belägen i den norra delen av stjärnbilden Svanen (stjärnbild). Den har en kombinerad skenbar magnitud på 4,92 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 11,6 mas, beräknas den befinna sig på ett avstånd på ca 280 ljusår (ca 86 parsek) från solen.
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天鵝座ψ，又名BD+52 2572，HD 189037、SAO 32114、HR 7619，是天鵝座的一颗恒星，视星等为4.92，位于銀經86.11，銀緯12.21，其B1900.0坐标为赤經19h 53m 2.6s，赤緯+52° 12.21′ 24″。
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8580