| dbo:abstract |
HD 69863 is a binary star system in the southern constellation of Carina. It is visible to the naked eye as a dim point of light with a combined apparent visual magnitude of 5.16. The system is located at a distance of about255 light years from the Sun based on parallax. The dual nature of this system was announced in 1832 by German astronomer Carl Rümker. As of 2015, the pair had an angular separation of 4.10″ along a position angle of 70°. The brighter primary, designated component A, has a visual magnitude of 5.27 and is an A-type main-sequence star with a stellar classification of A2V. It is 635 million years old and is spinning with a projected rotational velocity of 191 km/s. The star has 2.1 times the mass of the Sun. The magnitude 7.62 companion, component B, is a F-type main-sequence star with a class of F2V. It is radiating four times the luminosity of the Sun from its photosphere at an effective temperature of 6,806 K. The system is a source for X-ray emission, which is most likely coming from the secondary. (en) HD 69863 è una stella bianca nella sequenza principale di magnitudine 5,16 situata nella costellazione della Carena. Dista 242 anni luce dal sistema solare. (it) HD 69863 är en dubbelstjärna belägen i den mellersta delen av stjärnbilden Kölen, som också har Bayer-beteckningen C Carinae. Den har en kombinerad skenbar magnitud av ca 5,16 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallax enligt Gaia Data Release 2 på ca 12,6 mas, beräknas den befinna sig på ett avstånd på ca 260 ljusår (ca 80 parsek) från solen. Den rör sig bort från solen med en heliocentrisk radialhastighet på ca 4 km/s. (sv) 84 Carinae (C Carinae) é uma estrela binária na direção da Carina. Possui uma ascensão reta de 08h 15m 15.95s e uma declinação de −62° 54′ 56.2″. Sua magnitude aparente é igual a 5.16. Considerando sua distância de 242 anos-luz em relação à Terra, sua magnitude absoluta é igual a 0.81. Pertence à classe espectral A+.... (pt) HD 69863，又名CP-62 985，SAO 250164、HR 3260，是一颗恒星，视星等为5.16，位于銀經276.8，銀緯-15.13，其B1900.0坐标为赤經8h 13m 45s，赤緯-62° -15.13′ 25″。 (zh) О звезде c Киля см. HD 76728 C Киля (C Car) — двойная звезда в созвездии Киль. Звезда удалена от Земли на 242 световых года и имеет суммарный видимый блеск +5.16. (ru) |
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HD 69863 è una stella bianca nella sequenza principale di magnitudine 5,16 situata nella costellazione della Carena. Dista 242 anni luce dal sistema solare. (it) HD 69863 är en dubbelstjärna belägen i den mellersta delen av stjärnbilden Kölen, som också har Bayer-beteckningen C Carinae. Den har en kombinerad skenbar magnitud av ca 5,16 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallax enligt Gaia Data Release 2 på ca 12,6 mas, beräknas den befinna sig på ett avstånd på ca 260 ljusår (ca 80 parsek) från solen. Den rör sig bort från solen med en heliocentrisk radialhastighet på ca 4 km/s. (sv) 84 Carinae (C Carinae) é uma estrela binária na direção da Carina. Possui uma ascensão reta de 08h 15m 15.95s e uma declinação de −62° 54′ 56.2″. Sua magnitude aparente é igual a 5.16. Considerando sua distância de 242 anos-luz em relação à Terra, sua magnitude absoluta é igual a 0.81. Pertence à classe espectral A+.... (pt) HD 69863，又名CP-62 985，SAO 250164、HR 3260，是一颗恒星，视星等为5.16，位于銀經276.8，銀緯-15.13，其B1900.0坐标为赤經8h 13m 45s，赤緯-62° -15.13′ 25″。 (zh) О звезде c Киля см. HD 76728 C Киля (C Car) — двойная звезда в созвездии Киль. Звезда удалена от Земли на 242 световых года и имеет суммарный видимый блеск +5.16. (ru) HD 69863 is a binary star system in the southern constellation of Carina. It is visible to the naked eye as a dim point of light with a combined apparent visual magnitude of 5.16. The system is located at a distance of about255 light years from the Sun based on parallax. The dual nature of this system was announced in 1832 by German astronomer Carl Rümker. As of 2015, the pair had an angular separation of 4.10″ along a position angle of 70°. (en) |
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HD 69863 (en) HD 69863 (it) 84 Carinae (pt) C Киля (ru) HD 69863 (sv) HD 69863 (zh) |
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