Struve 1694 (Σ 1694, Struve 1694) is a double star in the constellation Camelopardalis.
Σ 1694 is a double star, with components of magnitudes 5.3m and 5.9m: Σ 1694A (HD 112028) is a white A-type giant star with an apparent magnitude of 5.28m. It is approximately 300 light years from Earth. Σ 1694B (HD 112014) is a spectroscopic binary consisting of two A-type main sequence stars.
Norton's Star Atlas describes the pair as yellowish and bluish.
In the British Association Catalogue, the star pair are listed as being in Ursa Minor.
Chinese name In Chinese, (), meaning North Pole, refers to an asterism consisting of Σ 1694, γ Ursae Minoris, β Ursae Minoris, 5 Ursae Minoris and 4 Ursae Minoris. 中國星座神話, written by 陳久金. Published by 台灣書房出版有限公司, 2005, . Consequently, Σ 1694 itself is known as (, ), 天樞 (北極) representing (), meaning Celestial Pivot. 香港太空館 - 研究資源 - 亮星中英對照表 , Hong Kong Space Museum. Accessed on line November 23, 2010.
This star was regarded as the north star by the Chinese people from the Han dynasty to Song dynasty.
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