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南三角座ζ.
南三角座ζ(ζ TrA)是位于南三角座的双星系统,约距离地球39.5光年。
此双星系统由两颗主序星组成,一颗为黄白色的F型矮星,另一颗为黄色的G型矮星。两颗星的结合光谱型为F9V,结合视星等为+4.90。它们互相围绕着对方公转,周期为13天,轨道离心率为0.014。
尽管南三角座ζ在夜空中的位置在70° S,它依然属于大熊座移动星群。
参考资料
- Jovan Skuljan, 2004, "Accurate orbital parameters for the bright southern spectroscopic binary ζ Trianguli Australis – an interesting case of a near-circular orbit", Monthly Notices of the Royal Astronomical Society, Volume 352, p. 975.
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- 右执法(35.6 ± 0.3光年;1颗恒星)
- 天市右垣四(36.3 ± 0.3光年;1颗恒星)
- 大陵增十三(36.6 ± 0.3光年;2颗恒星)
- 剑鱼座ζ(38.0 ± 0.2光年;2颗恒星)
- 臼三(38.8 ± 0.3光年;2颗恒星)
- 东上相(39.2 ± 0.4光年;2颗恒星)
- 南三角座ζ(39.3 ± 0.3光年;2颗恒星)
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- 三角座δ(35.4 ± 0.3光年;2颗恒星)
- 小狮座11(36.5 ± 0.3光年;2颗恒星)
- 蜀增一(38.8 ± 0.4光年;1颗恒星)
- 网罟座ζ(39.2 ± 0.3光年;2颗恒星)
- 飞马座85(39.5 ± 0.4光年;3颗恒星)
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- 格利泽653(35.1 ± 0.4光年;2颗恒星)
- HR 9038(35.2 ± 0.2光年;2颗恒星)
- 格利泽909(35.5 ± 0.1光年;3颗恒星)
- HR 637(35.6 ± 0.2光年;2颗恒星、1颗行星:b)
- 格利泽688(35.9 ± 0.1光年;1颗恒星)
- HR 6806(36.2 ± 0.2光年;1颗恒星)
- 双鱼座54(36.2 ± 0.3光年;1颗恒星、1颗褐矮星、1颗行星:b)
- 格利泽370(36.4 ± 0.3光年;1颗恒星、1颗行星:b)
- 格利泽320(36.5 ± 0.2光年;1颗恒星)
- 格利泽505(36.6 ± 0.4光年;2颗恒星)
- 格利泽208(37.1 ± 0.6光年;1颗恒星)
- 格利泽902(37.2 ± 0.3光年;1颗恒星)
- 格利泽169(37.4 ± 0.5光年;1颗恒星)
- HR 5553(37.9 ± 0.4光年;2颗恒星)
- 格利泽773.6(38.5 ± 5.8光年;1颗恒星)
- 格利泽542(38.6 ± 0.4光年;1颗恒星)
- 格利泽414(38.7 ± 0.5光年;2颗恒星、2颗行星)
- 格利泽798(39.5 ± 0.6光年;1颗恒星)
- 格利泽428(39.5 ± 0.02光年;2颗恒星)
- HR 3384(39.6 ± 0.3光年;1颗恒星)
- HR 1925(39.9 ± 0.4光年;1颗恒星)
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- WISE 0458+6434(~35.9光年;2颗褐矮星)
- WISE 2313-8037(~35.9光年;1颗褐矮星)
- WISE 0325+0831(~36.5光年;1颗褐矮星)
- WISE 0038+2758(~36.9光年;1颗褐矮星)
- WISE 0627-1114(~37.2光年;1颗褐矮星)
- WISE 1959-3338(~37.2光年;1颗褐矮星)
- WISE 2220-3628(~37.4光年;1颗褐矮星)
- WISE 0623-0456(~37.5光年;1颗褐矮星)
- WISE 2325-4105(~37.5光年;1颗褐矮星)
- WISE 2340-0745(~37.8光年;1颗褐矮星)
- WISE 0759-4904(~38.8光年;1颗褐矮星)
- WISE 0751-7634(~39.1光年;1颗褐矮星)
- WISE 1653+4444(~39.5光年;1颗褐矮星)
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| | 左栏标出的是恒星系统中主要恒星的恒星类型。‡若考虑距离误差容限,恒星系统有可能在此范围外。 粗体字突出的恒星系统为拥有至少一颗绝对星等在+8.5或以上的恒星的系统。斜体字突出的是有可能在此范围之外的恒星系统。 |
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