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Ypsilon2 Cassiopeiae (υ2 Cassiopeiae , för … Ypsilon2 Cassiopeiae (υ2 Cassiopeiae , förkortat Ypsilon2 Cas, υ2 Cas) som är stjärnans Bayerbeteckning, är en stjärna belägen i mellersta delen av stjärnbilden Cassiopeja. Den har en skenbar magnitud på 4,62 och är synlig för blotta ögat. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 16,3 mas, beräknas den befinna sig på ett avstånd av ca 200 ljusår (61 parsek) från solen.d av ca 200 ljusår (61 parsek) från solen.
, Ypsilon² Cassiopeiae (Castula, υ² Cas) – gwiazda w gwiazdozbiorze Kasjopei, znajdująca się w odległości około 200 lat świetlnych od Słońca.
, Upsilon2 Cassiopeiae, Latinised from υ2 Ca … Upsilon2 Cassiopeiae, Latinised from υ2 Cassiopeiae, is a solitary star in the constellation of Cassiopeia, a few degrees to the south of Gamma Cassiopeiae. It has the proper name Castula /ˈkæstjʊlə/, which has been officially adopted by the IAU. The star has a yellow hue and is faintly visible to the naked eye with an apparent visual magnitude of +4.62. Based upon parallax measurements, it is located at a distance of approximately 189 light years from the Sun. The star is drifting closer with a radial velocity of −48 km/s. This is an aging giant star with a stellar classification of G8 IIIb Fe−0.5, where the suffix notation indicates a mild underabundance of iron in the spectrum. With the supply of core hydrogen exhausted, this star has cooled and expanded off the main sequence – at present it has 10 times the girth of the Sun. It is a red clump giant, which means it is on the horizontal branch undergoing core helium fusion. Upsilon2 Cassiopeiae is a barium star, showing an excess of the element barium in its spectrum. This can occur from mass transfer from a more-evolved companion star that later became a white dwarf, although no companion has been detected. It is 2.2 billion years old with 1.44 times the mass of the Sun. The star is radiating 55 times the luminosity of the Sun from its enlarged photosphere at an effective temperature of 4,937 K.re at an effective temperature of 4,937 K.
, Upsilon2 Cassiopeiae (υ2 Cassiopeiae / υ2 … Upsilon2 Cassiopeiae (υ2 Cassiopeiae / υ2 Cas) est une étoile géante de la constellation de Cassiopée, située à quelques degrés au sud de Gamma Cassiopeiae. Elle porte également le nom propre de Castula. Cette étoile jaunâtre est visible à l’œil nu avec une magnitude apparente de +4.62. La mesures de sa parallaxe annuelle par le satellite Gaia la placent à une distance de ∼196 a.l. (∼60,1 pc) du Soleil. Elle s'en rapproche avec une vitesse radiale héliocentrique de −48 km/s.itesse radiale héliocentrique de −48 km/s.
, カシオペヤ座υ2星（カシオペヤざウプシロン2せい、υ2 Cas）は、カシオペヤ座の恒星で5等星。
, Upsilon2 Cassiopeiae (28 Cassiopeiae) é um … Upsilon2 Cassiopeiae (28 Cassiopeiae) é uma estrela na direção da constelação de Cassiopeia. Possui uma ascensão reta de 00h 56m 40.01s e uma declinação de +59° 10′ 52.2″. Sua magnitude aparente é igual a 4.62. Considerando sua distância de 206 anos-luz em relação à Terra, sua magnitude absoluta é igual a 0.62. Pertence à classe espectral G8III-IV..62. Pertence à classe espectral G8III-IV.
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Ypsilon² Cassiopeiae (Castula, υ² Cas) – gwiazda w gwiazdozbiorze Kasjopei, znajdująca się w odległości około 200 lat świetlnych od Słońca.
, Ypsilon2 Cassiopeiae (υ2 Cassiopeiae , för … Ypsilon2 Cassiopeiae (υ2 Cassiopeiae , förkortat Ypsilon2 Cas, υ2 Cas) som är stjärnans Bayerbeteckning, är en stjärna belägen i mellersta delen av stjärnbilden Cassiopeja. Den har en skenbar magnitud på 4,62 och är synlig för blotta ögat. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 16,3 mas, beräknas den befinna sig på ett avstånd av ca 200 ljusår (61 parsek) från solen.d av ca 200 ljusår (61 parsek) från solen.
, Upsilon2 Cassiopeiae (υ2 Cassiopeiae / υ2 … Upsilon2 Cassiopeiae (υ2 Cassiopeiae / υ2 Cas) est une étoile géante de la constellation de Cassiopée, située à quelques degrés au sud de Gamma Cassiopeiae. Elle porte également le nom propre de Castula. Cette étoile jaunâtre est visible à l’œil nu avec une magnitude apparente de +4.62. La mesures de sa parallaxe annuelle par le satellite Gaia la placent à une distance de ∼196 a.l. (∼60,1 pc) du Soleil. Elle s'en rapproche avec une vitesse radiale héliocentrique de −48 km/s.itesse radiale héliocentrique de −48 km/s.
, Upsilon2 Cassiopeiae (28 Cassiopeiae) é um … Upsilon2 Cassiopeiae (28 Cassiopeiae) é uma estrela na direção da constelação de Cassiopeia. Possui uma ascensão reta de 00h 56m 40.01s e uma declinação de +59° 10′ 52.2″. Sua magnitude aparente é igual a 4.62. Considerando sua distância de 206 anos-luz em relação à Terra, sua magnitude absoluta é igual a 0.62. Pertence à classe espectral G8III-IV..62. Pertence à classe espectral G8III-IV.
, カシオペヤ座υ2星（カシオペヤざウプシロン2せい、υ2 Cas）は、カシオペヤ座の恒星で5等星。
, Upsilon2 Cassiopeiae, Latinised from υ2 Ca … Upsilon2 Cassiopeiae, Latinised from υ2 Cassiopeiae, is a solitary star in the constellation of Cassiopeia, a few degrees to the south of Gamma Cassiopeiae. It has the proper name Castula /ˈkæstjʊlə/, which has been officially adopted by the IAU. The star has a yellow hue and is faintly visible to the naked eye with an apparent visual magnitude of +4.62. Based upon parallax measurements, it is located at a distance of approximately 189 light years from the Sun. The star is drifting closer with a radial velocity of −48 km/s.closer with a radial velocity of −48 km/s.
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Ypsilon2 Cassiopeiae
, Upsilon2 Cassiopeiae
, カシオペヤ座ウプシロン2星
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