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Sigma Columbae (63 Columbae) é uma estrela … Sigma Columbae (63 Columbae) é uma estrela na direção da constelação de Columba. Possui uma ascensão reta de 05h 56m 20.94s e uma declinação de −31° 22′ 56.8″. Sua magnitude aparente é igual a 5.52. Considerando sua distância de 1462 anos-luz em relação à Terra, sua magnitude absoluta é igual a −2.74. Pertence à classe espectral F2III. −2.74. Pertence à classe espectral F2III.
, 天鸽座σ，又名CD-31 2848，HD 40248、SAO 196330、HR 2092，是天鸽座的一颗恒星，视星等为5.5，位于銀經237.03，銀緯-24.73，其B1900.0坐标为赤經5h 52m 35.1s，赤緯-31° -24.73′ 46″。
, Sigma Columbae, Latinized from σ Columbae, … Sigma Columbae, Latinized from σ Columbae, is a solitary, yellow-white hued star in the southern constellation of Columba. It is faintly visible to the naked eye with an apparent visual magnitude of 5.51. Based upon an annual parallax shift of 1.96 mas as seen from Earth, this star is located roughly 1,700 light years from the Sun. At an age of about 400 million years, the spectrum of this star suggests this is an evolved F-type giant with a stellar classification of F2 III. It is spinning with a projected rotational velocity of about 74 km/s, which is giving the star an oblate shape with an equatorial bulge that is 10% larger than the polar radius. It has 3.79 times the mass of the Sun and is radiating 1,312 times the Sun's luminosity from its enlarged photosphere at an effective temperature of 6,820 K.re at an effective temperature of 6,820 K.
, Sigma Columbae ( σ Columbae, förkortat Sig … Sigma Columbae ( σ Columbae, förkortat Sigma Col, σ Col) som är stjärnans Bayerbeteckning, är en stjärna belägen i nordöstra delen av stjärnbilden Duvan. Den har en skenbar magnitud på 5,526 och är synlig för blotta ögat där ljusföroreningar inte förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 2 mas, beräknas den befinna sig på ett avstånd av 1 664 ljusår (448 parsek) från solen.d av 1 664 ljusår (448 parsek) från solen.
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| rdfs:comment |
Sigma Columbae (63 Columbae) é uma estrela … Sigma Columbae (63 Columbae) é uma estrela na direção da constelação de Columba. Possui uma ascensão reta de 05h 56m 20.94s e uma declinação de −31° 22′ 56.8″. Sua magnitude aparente é igual a 5.52. Considerando sua distância de 1462 anos-luz em relação à Terra, sua magnitude absoluta é igual a −2.74. Pertence à classe espectral F2III. −2.74. Pertence à classe espectral F2III.
, Sigma Columbae ( σ Columbae, förkortat Sig … Sigma Columbae ( σ Columbae, förkortat Sigma Col, σ Col) som är stjärnans Bayerbeteckning, är en stjärna belägen i nordöstra delen av stjärnbilden Duvan. Den har en skenbar magnitud på 5,526 och är synlig för blotta ögat där ljusföroreningar inte förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 2 mas, beräknas den befinna sig på ett avstånd av 1 664 ljusår (448 parsek) från solen.d av 1 664 ljusår (448 parsek) från solen.
, Sigma Columbae, Latinized from σ Columbae, … Sigma Columbae, Latinized from σ Columbae, is a solitary, yellow-white hued star in the southern constellation of Columba. It is faintly visible to the naked eye with an apparent visual magnitude of 5.51. Based upon an annual parallax shift of 1.96 mas as seen from Earth, this star is located roughly 1,700 light years from the Sun.ed roughly 1,700 light years from the Sun.
, 天鸽座σ，又名CD-31 2848，HD 40248、SAO 196330、HR 2092，是天鸽座的一颗恒星，视星等为5.5，位于銀經237.03，銀緯-24.73，其B1900.0坐标为赤經5h 52m 35.1s，赤緯-31° -24.73′ 46″。
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Sigma Columbae
, 天鸽座σ
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