9 lines
524 B
Markdown
9 lines
524 B
Markdown
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name: R Hydrae
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constellation: Hya
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created_by: 8mag
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created_date: 2022-01-21 17:00:00
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updated_by: skybber
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updated_date: 2022-02-06 11:44:10.602134
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a red giant, one of the most famous Mira Ceti type variable stars. It varies in apparent brightness from 3.5mag to 10.9mag over a period of 389.6 days, first noticed by astronomers in the 17th century. However, the period has probably shortened by about 100 days since then. It is about 700 light-years away and at its greatest peak exceeds the luminosity of 7,000 Suns. |