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20 Cancri è una stella bianca nella sequenza principale di magnitudine 5,95 situata nella costellazione del Cancro. Dista 395 anni luce dal sistema solare.
, 20 Cancri, som är stjärnans Flamsteed-bete … 20 Cancri, som är stjärnans Flamsteed-beteckning, är en astrometrisk dubbelstjärna, belägen i den östra delen av stjärnbilden Kräftan och har även Bayer-beteckningen d1 Cancri. Den har en kombinerad skenbar magnitud av ca 5,94 och är mycket svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallax enligt Gaia Data Release 2 på ca 9,4 mas, beräknas den befinna sig på ett avstånd på ca 348 ljusår (ca 107 parsek) från solen och ingår i superhopen Hyaderna. Den rör sig bort från solen med en heliocentrisk radialhastighet på ca 36 km/s.liocentrisk radialhastighet på ca 36 km/s.
, 20 Рака (лат. 20 Cancri) — звезда в созвездии Рака на расстоянии около 394 световых лет от Земли и имеет видимую звёздную величину +5.94, т.е. вполне может быть видна невооружённым глазом.
, 20 Cancri (d¹ Cancri) é uma estrela na dir … 20 Cancri (d¹ Cancri) é uma estrela na direção da Cancer. Possui uma ascensão reta de 08h 23m 21.87s e uma declinação de +18° 19′ 56.2″. Sua magnitude aparente é igual a 5.94. Considerando sua distância de 395 anos-luz em relação à Terra, sua magnitude absoluta é igual a 0.52. Pertence à classe espectral A9V.l a 0.52. Pertence à classe espectral A9V.
, 20 Cancri is an astrometric binary star sy … 20 Cancri is an astrometric binary star system in the constellation Cancer, located about 372 light-years away from the Sun. This system has the Bayer designation d1 Cancri; 20 Cancri is the Flamsteed designation. It is just visible to the naked eye under good viewing conditions, appearing as a dim, white-hued star with an apparent visual magnitude of 5.94. The pair are moving further from the Earth with a heliocentric radial velocity of +36 km/s, and are members of the Hyades Supercluster. The visible component of this system is an ordinary A-type main-sequence star with a stellar classification of A9 V, which indicates it is generating energy by hydrogen fusion at its core. It has 2.4 times the mass of the Sun and is radiating 60 times the Sun's luminosity from its photosphere at an effective temperature of 7,907 K.re at an effective temperature of 7,907 K.
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| rdfs:comment |
20 Cancri è una stella bianca nella sequenza principale di magnitudine 5,95 situata nella costellazione del Cancro. Dista 395 anni luce dal sistema solare.
, 20 Cancri (d¹ Cancri) é uma estrela na dir … 20 Cancri (d¹ Cancri) é uma estrela na direção da Cancer. Possui uma ascensão reta de 08h 23m 21.87s e uma declinação de +18° 19′ 56.2″. Sua magnitude aparente é igual a 5.94. Considerando sua distância de 395 anos-luz em relação à Terra, sua magnitude absoluta é igual a 0.52. Pertence à classe espectral A9V.l a 0.52. Pertence à classe espectral A9V.
, 20 Cancri, som är stjärnans Flamsteed-bete … 20 Cancri, som är stjärnans Flamsteed-beteckning, är en astrometrisk dubbelstjärna, belägen i den östra delen av stjärnbilden Kräftan och har även Bayer-beteckningen d1 Cancri. Den har en kombinerad skenbar magnitud av ca 5,94 och är mycket svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallax enligt Gaia Data Release 2 på ca 9,4 mas, beräknas den befinna sig på ett avstånd på ca 348 ljusår (ca 107 parsek) från solen och ingår i superhopen Hyaderna. Den rör sig bort från solen med en heliocentrisk radialhastighet på ca 36 km/s.liocentrisk radialhastighet på ca 36 km/s.
, 20 Рака (лат. 20 Cancri) — звезда в созвездии Рака на расстоянии около 394 световых лет от Земли и имеет видимую звёздную величину +5.94, т.е. вполне может быть видна невооружённым глазом.
, 20 Cancri is an astrometric binary star sy … 20 Cancri is an astrometric binary star system in the constellation Cancer, located about 372 light-years away from the Sun. This system has the Bayer designation d1 Cancri; 20 Cancri is the Flamsteed designation. It is just visible to the naked eye under good viewing conditions, appearing as a dim, white-hued star with an apparent visual magnitude of 5.94. The pair are moving further from the Earth with a heliocentric radial velocity of +36 km/s, and are members of the Hyades Supercluster.nd are members of the Hyades Supercluster.
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20 Рака
, 20 Cancri
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