Apparent magnitude (V) 3.679
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88 Aquarii (abbreviated 88 Aqr) is a star in the equatorial constellation of Aquarius. 88 Aquarii is the Flamsteed designation though it also bears the Bayer designation c2 Aquarii. In dark conditions it is visible to the naked eye with an apparent visual magnitude of +3.68. Based upon parallax measurements, this star is at a distance of around 271 light-years (83 parsecs) from Earth.
The spectrum of 88 Aquarii matches an evolved giant star with a classification of K1 III. Its measured angular diameter is 3.24 ± 0.20 mas, which, at the estimated distance of Delta Ophiuchi, yields a physical size of about 29 times the radius of the Sun. The cool, orange hued glow of this star comes from the outer atmosphere's effective temperature of 4,430 K.