Eta Sagittarii
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Eta Sagittarii is a star system in the constellation Sagittarius, 149 light years from Earth. It was formerly known as "Beta Telescopii". The SkyMap site has the name "Sephdar" attributed to Sgr, but the etymology of this name is not clear. The primary component, Sagittarii A, is a spectral type M3.5 red giant. It is a variable star with small magnitude fluctuations between +3.08 and 3.12, and is classified as an irregular variable.

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Eta Sagittarii is a star system in the constellation Sagittarius, 149 light years from Earth. It was formerly known as "Beta Telescopii". The SkyMap site has the name "Sephdar" attributed to Sgr, but the etymology of this name is not clear. The primary component, Sagittarii A, is a spectral type M3.5 red giant. It is a variable star with small magnitude fluctuations between +3.08 and 3.12, and is classified as an irregular variable.