| Primary 1 Aquarii A Magnitude 5.151 Apparent magnitude (V) 5.151 | Companion 1 Aquarii B Constellation Aquarius | |
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1 Aquarii (abbreviated 1 Aqr) is a spectroscopic binary star in the constellation Aquarius. 1 Aquarii is the Flamsteed designation. It is a K-class giant of the spectral type K1III. In addition to the spectroscopic companion there are two optical companions that have no physical relation to 1 Aqr. 1 Aquarii is known to be an infra-red source.
References
1 Aquarii Wikipedia(Text) CC BY-SA