9 lines
463 B
Markdown
9 lines
463 B
Markdown
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name: τ Oph
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constellation: Oph
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created_by: editor.cs
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created_date: 2023-11-05 17:30:45.005097
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updated_by: editor.cs
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updated_date: 2023-11-05 17:30:45.005102
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A binary star, which consists of a beautiful but close pair of yellow stars with magnitudes of 5.2 and 5.9, respectively, and a period of 280 years. Currently, their separation is about 1.7", but it is still decreasing. At a distance of 100", we can find a guide star with a brightness of 9.3 mag. |