File:Iota Horologii.jpg
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![File:Iota Horologii.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/5/50/Iota_Horologii.jpg/620px-Iota_Horologii.jpg?20090715052144)
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[edit]DescriptionIota Horologii.jpg | Using HARPS on ESO's 3.6-m telescope at La Silla, astronomers were able to study in great detail the star Iota Horologii, known to harbour a giant planet, and make a very precise portrait of it: its temperature is 6150 K, its mass is 1.25 times that of the Sun, and its age is 625 million years. Moreover, the star is found to be more metal-rich than the Sun by about 50%. This means the star must have drifted from the Hyades cluster where it formed. | ||||
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Source | http://www.eso.org/public/images/eso0809a/ | ||||
Author | Digital Sky Survey/VirGO. | ||||
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 05:21, 15 July 2009 | ![]() | 800 × 773 (315 KB) | Johnbobyray (talk | contribs) | == Summary == {{Information |Description=利用欧洲南方天文台安装于智利拉西利亚天文台上的3.6米望远镜的高精度径向速度行星搜索器,天文学家得以对I时钟座ι星的众多细节进行研究。 |Source=http://www.es |
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File change date and time | 17:40, 19 November 2008 |
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