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SS Virginis is a Mira variable star that appears with a strong red hue. It varies in magnitude from a minimum of 9.5 to a maximum of 7.4 over a period of 361 days. It is also considered to be a semiregular variable star, as its minimum and maximum magnitude are themselves variable over a period of decades. Its spectral class is C63e. Because it is so rich in carbon, SS Virginis is classified as a carbon star, along with stars like . SS Virginis, like all carbon Mira variables, has a hydrogen-alpha emission line that varies widely, synchronized with the overall variations in light. The hydrogen-alpha emission line becomes far more prominent as the star becomes brighter. Observations made in the near-infrared spectrum indicate that it has a radius of 500 solar radii, and its temperature is b

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  • SS Virginis (es)
  • おとめ座SS星 (ja)
  • SS Virginis (en)
  • 室女座SS (zh)
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  • おとめ座SS星(おとめざSSせい)は、おとめ座の脈動変光星。 (ja)
  • 室女座SS是明顯呈現紅色的米拉變星,它的變光範圍從9.5等至7.4等,週期為361天。它也被考慮是一顆半規則變星,因為在過去數十年內他的最大和最小亮度本身也是個變數。它因為富含碳,所以光譜類型是C6.3e,與相似。室女座SS,與含碳的米拉變星一樣,有一條變化很大的H-α發射譜現,並與整體的光度變化同步,這條Hα譜線在變亮時顯得更為明顯。在近紅外波段上的觀測顯示,它的半徑是500倍太陽半徑,表面溫度介於2405-2485k。 (zh)
  • SS Virginis (SS Vir / HD 108105 / HIP 120212)​ es una estrella variable en la constelación de Virgo. Se encuentra a aproximadamente 1820 años luz de distancia del Sistema Solar.​ SS Virginis es una estrella de carbono de tipo espectral CII catalogada como variable semirregular SRA.​Esta clase de variables son gigantes de tipos espectrales tardíos (M, C, S o Me, Ce, Se) que muestran periodicidad persistente y normalmente pequeñas amplitudes, menores de 2,5 magnitudes en banda V. Sus períodos están en el rango de 35 a 1200 días —el brillo de SS Virginis oscila entre magnitud aparente +6,0 y +9,6 a lo largo de un ciclo de 364,14 días.​Muchas de estas estrellas difieren de las variables Mira sólo en que sus amplitudes son menores.Asimismo SS Virginis es —al igual que RU Virginis, también en Vi (es)
  • SS Virginis is a Mira variable star that appears with a strong red hue. It varies in magnitude from a minimum of 9.5 to a maximum of 7.4 over a period of 361 days. It is also considered to be a semiregular variable star, as its minimum and maximum magnitude are themselves variable over a period of decades. Its spectral class is C63e. Because it is so rich in carbon, SS Virginis is classified as a carbon star, along with stars like . SS Virginis, like all carbon Mira variables, has a hydrogen-alpha emission line that varies widely, synchronized with the overall variations in light. The hydrogen-alpha emission line becomes far more prominent as the star becomes brighter. Observations made in the near-infrared spectrum indicate that it has a radius of 500 solar radii, and its temperature is b (en)
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  • SS Virginis (SS Vir / HD 108105 / HIP 120212)​ es una estrella variable en la constelación de Virgo. Se encuentra a aproximadamente 1820 años luz de distancia del Sistema Solar.​ SS Virginis es una estrella de carbono de tipo espectral CII catalogada como variable semirregular SRA.​Esta clase de variables son gigantes de tipos espectrales tardíos (M, C, S o Me, Ce, Se) que muestran periodicidad persistente y normalmente pequeñas amplitudes, menores de 2,5 magnitudes en banda V. Sus períodos están en el rango de 35 a 1200 días —el brillo de SS Virginis oscila entre magnitud aparente +6,0 y +9,6 a lo largo de un ciclo de 364,14 días.​Muchas de estas estrellas difieren de las variables Mira sólo en que sus amplitudes son menores.Asimismo SS Virginis es —al igual que RU Virginis, también en Virgo— una estrella de carbono, cuya atmósfera estelar contiene más carbono que oxígeno, siendo su relación C/O de 1,08.Su luminosidad es aproximadamente 8200 veces mayor que la luminosidad solar.​ Investigaciones de alta resolución en la banda K del infrarrojo cercano por el método de ocultaciones han permitido determinar un valor muy preciso del diámetro angular de SS Virginis, a saber, 8,37 ± 0,07 milisegundos de arco.​ De acuerdo a su distancia estimada, tiene un radio aproximadamente 500 veces más grande que el radio solar. Si estuviese situada en el lugar del Sol, se extendería hasta el cinturón de asteroides, quedando englobados los cuatro primeros planetas —incluida la Tierra— en su interior.Por otra parte, SS Virginis es una estrella extremadamente fría, con una temperatura efectiva de sólo 2445 ± 40 K.​ (es)
  • SS Virginis is a Mira variable star that appears with a strong red hue. It varies in magnitude from a minimum of 9.5 to a maximum of 7.4 over a period of 361 days. It is also considered to be a semiregular variable star, as its minimum and maximum magnitude are themselves variable over a period of decades. Its spectral class is C63e. Because it is so rich in carbon, SS Virginis is classified as a carbon star, along with stars like . SS Virginis, like all carbon Mira variables, has a hydrogen-alpha emission line that varies widely, synchronized with the overall variations in light. The hydrogen-alpha emission line becomes far more prominent as the star becomes brighter. Observations made in the near-infrared spectrum indicate that it has a radius of 500 solar radii, and its temperature is between 2405 and 2485 kelvins. The location of SS Virginis is two degrees north-following of η Virginis (Eta Virginis, Zaniah). (en)
  • おとめ座SS星(おとめざSSせい)は、おとめ座の脈動変光星。 (ja)
  • 室女座SS是明顯呈現紅色的米拉變星,它的變光範圍從9.5等至7.4等,週期為361天。它也被考慮是一顆半規則變星,因為在過去數十年內他的最大和最小亮度本身也是個變數。它因為富含碳,所以光譜類型是C6.3e,與相似。室女座SS,與含碳的米拉變星一樣,有一條變化很大的H-α發射譜現,並與整體的光度變化同步,這條Hα譜線在變亮時顯得更為明顯。在近紅外波段上的觀測顯示,它的半徑是500倍太陽半徑,表面溫度介於2405-2485k。 (zh)
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