Omega1 Cygni (original) (raw)
Omega1 Cygni (ω1 Cyg / 45 Cygni / HD 195556 / HR 7844) es una estrella en la constelación del Cisne de magnitud aparente +4,94.Comparte la denominación de Bayer «Omega» con Omega2 Cygni, conocida con el nombre de Ruchba.
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| dbo:abstract | Omega1 Cygni (ω1 Cyg / 45 Cygni / HD 195556 / HR 7844) es una estrella en la constelación del Cisne de magnitud aparente +4,94.Comparte la denominación de Bayer «Omega» con Omega2 Cygni, conocida con el nombre de Ruchba. (es) Omega1 Cygni, Latinized from ω1 Cygni, is the Bayer designation for a solitary star in the northern constellation of Cygnus. It is visible to the naked eye with an apparent visual magnitude of 4.94. Based upon an annual parallax shift of 2.59 mas, it is estimated to lie roughly 1,260 light years from the Sun. Relative to its neighbors, this star has a peculiar velocity of 25.7±2.2 km/s. This is a somewhat evolved B-type subgiant star with a stellar classification of B2.5 IV. Telting and colleagues report it as a Beta Cephei variable with a high degree of confidence as they found regular pulsations in its spectrum in a high-resolution spectroscopy study published in 2006. Its brightness varies irregularly by 0.034 magnitude every 1.137 days. (en) Omega¹ Cygni (ω¹ Cyg) – gwiazda w gwiazdozbiorze Łabędzia. Znajduje się około 909 lat świetlnych od Słońca. (pl) Omega1 Cygni (Ruchba, 45 Cygni) é uma estrela na direção da constelação de Cygnus. Possui uma ascensão reta de 20h 30m 03.53s e uma declinação de +48° 57′ 05.6″. Sua magnitude aparente é igual a 4.94. Considerando sua distância de 869 anos-luz em relação à Terra, sua magnitude absoluta é igual a −2.19. Pertence à classe espectral B2.5IV. É uma estrela variável β Cephei. (pt) Omega1 Cygni (ω1 Cygni, förkortat Omega1 Cyg, ω1 Cyg) som är stjärnans Bayerbeteckning, är en ensam stjärna belägen i den norra delen av stjärnbilden Svanen (stjärnbild). Den har en skenbar magnitud på 4,94 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 3,6 mas, beräknas den befinna sig på ett avstånd på ca 910 ljusår (ca 280 parsek) från solen. I förhållande till sina grannar har stjärnan en egenrörelse på 25,7 ± 2,2 km/s. (sv) 天鵝座ω，又名BD+48 3142，HD 195556、SAO 49712、HR 7844，是天鵝座的一颗恒星，视星等为4.95，位于銀經86.07，銀緯5.74，其B1900.0坐标为赤經20h 26m 57.6s，赤緯+48° 5.74′ 55″。 (zh) |
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| dbp:absmagV | −2.65 (en) |
| dbp:appmagV | +4.93 - 4.96 (en) |
| dbp:bV | −0.09 (en) |
| dbp:class | B2.5 IV (en) |
| dbp:constell | dbr:Cygnus_(constellation) |
| dbp:epoch | dbr:J2000.0 |
| dbp:equinox | J2000.0 (en) |
| dbp:gravity | 2.312000 (xsd:double) |
| dbp:luminosity | 1549 (xsd:integer) |
| dbp:metalFe | 0 (xsd:integer) |
| dbp:pError | 0.163700 (xsd:double) |
| dbp:parallax | 2.587800 (xsd:double) |
| dbp:propMoDec | +7.057 (en) |
| dbp:propMoRa | +10.883 (en) |
| dbp:radius | 13.825000 (xsd:double) |
| dbp:rotationalVelocity | 145 (xsd:integer) |
| dbp:temperature | 16982 (xsd:integer) |
| dbp:uB | −0.68 (en) |
| dbp:variable | dbr:Beta_Cephei_variable (en) |
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| rdfs:comment | Omega1 Cygni (ω1 Cyg / 45 Cygni / HD 195556 / HR 7844) es una estrella en la constelación del Cisne de magnitud aparente +4,94.Comparte la denominación de Bayer «Omega» con Omega2 Cygni, conocida con el nombre de Ruchba. (es) Omega¹ Cygni (ω¹ Cyg) – gwiazda w gwiazdozbiorze Łabędzia. Znajduje się około 909 lat świetlnych od Słońca. (pl) Omega1 Cygni (Ruchba, 45 Cygni) é uma estrela na direção da constelação de Cygnus. Possui uma ascensão reta de 20h 30m 03.53s e uma declinação de +48° 57′ 05.6″. Sua magnitude aparente é igual a 4.94. Considerando sua distância de 869 anos-luz em relação à Terra, sua magnitude absoluta é igual a −2.19. Pertence à classe espectral B2.5IV. É uma estrela variável β Cephei. (pt) Omega1 Cygni (ω1 Cygni, förkortat Omega1 Cyg, ω1 Cyg) som är stjärnans Bayerbeteckning, är en ensam stjärna belägen i den norra delen av stjärnbilden Svanen (stjärnbild). Den har en skenbar magnitud på 4,94 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 3,6 mas, beräknas den befinna sig på ett avstånd på ca 910 ljusår (ca 280 parsek) från solen. I förhållande till sina grannar har stjärnan en egenrörelse på 25,7 ± 2,2 km/s. (sv) 天鵝座ω，又名BD+48 3142，HD 195556、SAO 49712、HR 7844，是天鵝座的一颗恒星，视星等为4.95，位于銀經86.07，銀緯5.74，其B1900.0坐标为赤經20h 26m 57.6s，赤緯+48° 5.74′ 55″。 (zh) Omega1 Cygni, Latinized from ω1 Cygni, is the Bayer designation for a solitary star in the northern constellation of Cygnus. It is visible to the naked eye with an apparent visual magnitude of 4.94. Based upon an annual parallax shift of 2.59 mas, it is estimated to lie roughly 1,260 light years from the Sun. Relative to its neighbors, this star has a peculiar velocity of 25.7±2.2 km/s. (en) |
| rdfs:label | Omega1 Cygni (es) Omega1 Cygni (en) Omega1 Cygni (pl) Omega1 Cygni (pt) Omega1 Cygni (sv) 天鵝座ω (zh) |
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| foaf:name | Omega1 Cygni (en) |
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