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Eta Gruis (61 Gruis) é uma estrela na dire … Eta Gruis (61 Gruis) é uma estrela na direção da constelação de Grus. Possui uma ascensão reta de 22h 45m 37.85s e uma declinação de −53° 30′ 00.6″. Sua magnitude aparente é igual a 4.84. Considerando sua distância de 394 anos-luz em relação à Terra, sua magnitude absoluta é igual a −0.57. Pertence à classe espectral K2IIICNIV.57. Pertence à classe espectral K2IIICNIV.
, Eta Gruis (η Gruis, förkortat Eta Gru, η G … Eta Gruis (η Gruis, förkortat Eta Gru, η Gru) som är stjärnans Bayerbeteckning, är en ensam stjärna belägen i den södra delen av stjärnbilden Tranan. Den har en skenbar magnitud på 4,85 och är synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 7,9 mas, beräknas den befinna sig på ett avstånd på ca 410 ljusår (ca 127 parsek) från solen. ca 410 ljusår (ca 127 parsek) från solen.
, Eta Gruis, Latinized from η Gruis, is a so … Eta Gruis, Latinized from η Gruis, is a solitary star in the southern constellation of Grus. It is visible to the naked eye as a faint, orange-hued star with an apparent visual magnitude of 4.85. Based upon an annual parallax shift of 7.1 mas as seen from the Earth, the system is located about 460 light years from the Sun. The star is drifting further away with a radial velocity of +28 km/s. This object is an evolved K-type giant star with a stellar classification of K2 III CNIV, where the suffix notation indicates this is an intermediate CN star. It is a periodic microvariable with an amplitude of 0.0055 magnitude and a frequency of 0.36118 cycles per day. With the supply of hydrogen exhausted at its core, the star has expanded and cooled, now having 31 times the Sun's girth. It is radiating 338.5 times the luminosity of the Sun from its swollen photosphere at an effective temperature of 4,420 K. Eta Gruis has a magnitude 11.5 visual companion located at an angular separation of 25.6″ along a position angle of 187°, as of 2012.long a position angle of 187°, as of 2012.
, 天鶴座η，又名CP-5410123，HD 215369、SAO 247570、HR 8655，是天鶴座的一颗恒星，视星等为4.85，位于銀經335.6，銀緯-54.9，其B1900.0坐标为赤經22h 39m 29.7s，赤緯-54° -54.9′ 34″。
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| rdfs:comment |
Eta Gruis (61 Gruis) é uma estrela na dire … Eta Gruis (61 Gruis) é uma estrela na direção da constelação de Grus. Possui uma ascensão reta de 22h 45m 37.85s e uma declinação de −53° 30′ 00.6″. Sua magnitude aparente é igual a 4.84. Considerando sua distância de 394 anos-luz em relação à Terra, sua magnitude absoluta é igual a −0.57. Pertence à classe espectral K2IIICNIV.57. Pertence à classe espectral K2IIICNIV.
, 天鶴座η，又名CP-5410123，HD 215369、SAO 247570、HR 8655，是天鶴座的一颗恒星，视星等为4.85，位于銀經335.6，銀緯-54.9，其B1900.0坐标为赤經22h 39m 29.7s，赤緯-54° -54.9′ 34″。
, Eta Gruis, Latinized from η Gruis, is a so … Eta Gruis, Latinized from η Gruis, is a solitary star in the southern constellation of Grus. It is visible to the naked eye as a faint, orange-hued star with an apparent visual magnitude of 4.85. Based upon an annual parallax shift of 7.1 mas as seen from the Earth, the system is located about 460 light years from the Sun. The star is drifting further away with a radial velocity of +28 km/s. Eta Gruis has a magnitude 11.5 visual companion located at an angular separation of 25.6″ along a position angle of 187°, as of 2012.long a position angle of 187°, as of 2012.
, Eta Gruis (η Gruis, förkortat Eta Gru, η G … Eta Gruis (η Gruis, förkortat Eta Gru, η Gru) som är stjärnans Bayerbeteckning, är en ensam stjärna belägen i den södra delen av stjärnbilden Tranan. Den har en skenbar magnitud på 4,85 och är synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 7,9 mas, beräknas den befinna sig på ett avstånd på ca 410 ljusår (ca 127 parsek) från solen. ca 410 ljusår (ca 127 parsek) från solen.
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Eta Gruis
, 天鶴座η
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