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Statements

Subject Item
dbr:Chinese_star_names
dbo:wikiPageWikiLink
dbr:45_Cancri
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dbr:Table_of_stars_with_Bayer_designations
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45 Cancri 45 Рака 45 Cancri 45 Cancri 45 Cancri
rdfs:comment
45 Cancri è una stella bianca nella sequenza principale di magnitudine 5,63 situata nella costellazione del Cancro. Dista 1029 anni luce dal sistema solare. 45 Рака (лат. 45 Cancri) — звезда в созвездии Рака. Удалена на расстояние 1029 световых лет от нас и имеет видимую величину +5.63. Это белая карликовая звезда класса А главной последовательности. 45 Cancri (A¹ Cancri) é uma estrela na direção da Cancer. Possui uma ascensão reta de 08h 43m 12.34s e uma declinação de +12° 40′ 51.1″. Sua magnitude aparente é igual a 5.62. Considerando sua distância de 1028 anos-luz em relação à Terra, sua magnitude absoluta é igual a −1.87. Pertence à classe espectral A3V+.... 45 Cancri is a binary star system in the zodiac constellation of Cancer, located 680 light-years away from the Sun. It has the Bayer designation A1 Cancri; 45 Cancri is the Flamsteed designation. It is visible to the naked eye as a faint, white-hued star at an apparent visual magnitude of 5.62. The pair form a double-lined spectroscopic binary with an orbital period of 2.76 years and an eccentricity of 0.46. They are drifting closer to the Earth with a heliocentric radial velocity of −6 km/s. 45 Cancri, som är stjärnans Flamsteed-beteckning, är en dubbelstjärna, belägen i den mellersta delen av stjärnbilden Kräftan och har även Bayer-beteckningen A1 Cancri. Den har en kombinerad skenbar magnitud av ca 5,62 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallax enligt Gaia Data Release 2 på ca 4,8 mas, beräknas den befinna sig på ett avstånd på ca 680 ljusår (ca 210 parsek). Den rör sig närmare solen med en heliocentrisk radialhastighet på ca -6 km/s.
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45 Cancri
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G8 III and A3 III
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45
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J2000.0
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dbo:abstract
45 Cancri, som är stjärnans Flamsteed-beteckning, är en dubbelstjärna, belägen i den mellersta delen av stjärnbilden Kräftan och har även Bayer-beteckningen A1 Cancri. Den har en kombinerad skenbar magnitud av ca 5,62 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallax enligt Gaia Data Release 2 på ca 4,8 mas, beräknas den befinna sig på ett avstånd på ca 680 ljusår (ca 210 parsek). Den rör sig närmare solen med en heliocentrisk radialhastighet på ca -6 km/s. 45 Cancri is a binary star system in the zodiac constellation of Cancer, located 680 light-years away from the Sun. It has the Bayer designation A1 Cancri; 45 Cancri is the Flamsteed designation. It is visible to the naked eye as a faint, white-hued star at an apparent visual magnitude of 5.62. The pair form a double-lined spectroscopic binary with an orbital period of 2.76 years and an eccentricity of 0.46. They are drifting closer to the Earth with a heliocentric radial velocity of −6 km/s. The primary, designated component A, is an aging giant star with a stellar classification of G8 III, but has most likely not yet made multiple ascents up the red giant branch. It has 3.11 times the mass of the Sun and has expanded to 14 times the Sun's radius. The star is radiating 210 times the luminosity of the Sun from its enlarged photosphere at an effective temperature of 5,058 K. The less evolved secondary, component B is likewise a giant star, having a class of A3 III. It has three times the mass of the Sun and shines with 191 times the Sun's luminosity. 45 Рака (лат. 45 Cancri) — звезда в созвездии Рака. Удалена на расстояние 1029 световых лет от нас и имеет видимую величину +5.63. Это белая карликовая звезда класса А главной последовательности. 45 Cancri è una stella bianca nella sequenza principale di magnitudine 5,63 situata nella costellazione del Cancro. Dista 1029 anni luce dal sistema solare. 45 Cancri (A¹ Cancri) é uma estrela na direção da Cancer. Possui uma ascensão reta de 08h 43m 12.34s e uma declinação de +12° 40′ 51.1″. Sua magnitude aparente é igual a 5.62. Considerando sua distância de 1028 anos-luz em relação à Terra, sua magnitude absoluta é igual a −1.87. Pertence à classe espectral A3V+....
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