63 Cygni (original) (raw)
63 Cygni (f² Cygni) é uma estrela dupla na direção da Cygnus. Possui uma ascensão reta de 21h 06m 36.09s e uma declinação de +47° 38′ 54.3″. Sua magnitude aparente é igual a 4.56. Considerando sua distância de 982 anos-luz em relação à Terra, sua magnitude absoluta é igual a −2.83. Pertence à classe espectral K4II.
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| dbo:abstract | 63 Cygni is a single star in the northern constellation of Cygnus, located around 1,030 light years away from Sun. It is visible to the naked eye as an orange-hued star with an apparent visual magnitude of 4.56. 63 Cyg is moving closer to the Earth with a heliocentric radial velocity of −26 km/s. This is an evolved star showing a stellar spectrum with mixed traits between a bright giant and supergiant. It has been chosen as a spectral standard for the class of K4 Ib–IIa. For reasons that are not yet clear, 63 Cygni is displaying very long period (982 days) and low-amplitude (742 m/s) variations in radial velocity. The star has expanded to 35 times the Sun's radius and is radiating 4,397 times the Sun's luminosity from its photosphere at an effective temperature of 4,204 K. (en) 63 Cygni (f² Cygni) é uma estrela dupla na direção da Cygnus. Possui uma ascensão reta de 21h 06m 36.09s e uma declinação de +47° 38′ 54.3″. Sua magnitude aparente é igual a 4.56. Considerando sua distância de 982 anos-luz em relação à Terra, sua magnitude absoluta é igual a −2.83. Pertence à classe espectral K4II. (pt) 63 Cygni, som är stjärnans Flamsteed-beteckning, är en ensam stjärna belägen i den mellersta delen av stjärnbilden Svanen, som också har Bayer-beteckningen f2 Cygni. Den har en lägsta skenbar magnitud på ca 4,56 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallax enligt Gaia Data Release 2 på ca 2,7 mas, beräknas den befinna sig på ett avstånd på ca 1 200 ljusår (ca 380 parsek) från solen. Den rör sig närmare solen med en heliocentrisk radialhastighet av ca -26 km/s. (sv) 天鵝座63（车府增三），又名BD+47 3292，HD 201251、SAO 50456、HR 8089，是天鵝座的一颗恒星，视星等为4.55，位于銀經88.88，銀緯0.2，其B1900.0坐标为赤經21h 3m 9.3s，赤緯+47° 0.2′ 47″。 (zh) |
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| dbp:absmagV | −2.93 (en) |
| dbp:appmagV | 4.560000 (xsd:double) |
| dbp:class | K4 Ib–IIa (en) |
| dbp:constell | dbr:Cygnus_(constellation) |
| dbp:epoch | J2000 (en) |
| dbp:gravity | 1.270000 (xsd:double) |
| dbp:luminosity | 3981 (xsd:integer) |
| dbp:metalFe | 0.120000 (xsd:double) |
| dbp:pError | 0.290000 (xsd:double) |
| dbp:parallax | 2.660000 (xsd:double) |
| dbp:propMoDec | −1.067 (en) |
| dbp:propMoRa | +5.992 (en) |
| dbp:radius | 138 (xsd:integer) |
| dbp:rotationalVelocity | 6.300000 (xsd:double) |
| dbp:temperature | 3927 (xsd:integer) |
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| rdfs:comment | 63 Cygni (f² Cygni) é uma estrela dupla na direção da Cygnus. Possui uma ascensão reta de 21h 06m 36.09s e uma declinação de +47° 38′ 54.3″. Sua magnitude aparente é igual a 4.56. Considerando sua distância de 982 anos-luz em relação à Terra, sua magnitude absoluta é igual a −2.83. Pertence à classe espectral K4II. (pt) 63 Cygni, som är stjärnans Flamsteed-beteckning, är en ensam stjärna belägen i den mellersta delen av stjärnbilden Svanen, som också har Bayer-beteckningen f2 Cygni. Den har en lägsta skenbar magnitud på ca 4,56 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallax enligt Gaia Data Release 2 på ca 2,7 mas, beräknas den befinna sig på ett avstånd på ca 1 200 ljusår (ca 380 parsek) från solen. Den rör sig närmare solen med en heliocentrisk radialhastighet av ca -26 km/s. (sv) 天鵝座63（车府增三），又名BD+47 3292，HD 201251、SAO 50456、HR 8089，是天鵝座的一颗恒星，视星等为4.55，位于銀經88.88，銀緯0.2，其B1900.0坐标为赤經21h 3m 9.3s，赤緯+47° 0.2′ 47″。 (zh) 63 Cygni is a single star in the northern constellation of Cygnus, located around 1,030 light years away from Sun. It is visible to the naked eye as an orange-hued star with an apparent visual magnitude of 4.56. 63 Cyg is moving closer to the Earth with a heliocentric radial velocity of −26 km/s. This is an evolved star showing a stellar spectrum with mixed traits between a bright giant and supergiant. It has been chosen as a spectral standard for the class of K4 Ib–IIa. (en) |
| rdfs:label | 63 Cygni (en) 63 Cygni (pt) 63 Cygni (sv) 車府增三 (zh) |
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| foaf:name | 63 Cygni (en) |
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