20 Aquarii [SEP] constellation
20 Aquarii
20 Aquarii, abbreviated 20 Aqr, is a star in the constellation Aquarius. "20 Aquarii" is the Flamsteed designation. It is a dim star with an apparent visual magnitude of 6.38. Based upon an annual parallax shift of , it is located 213 light years away but is moving closer to the Earth with a heliocentric radial velocity of −23 km/s. The star is predicted to come to within in around 1.9 million years.
This is an F-type main-sequence
3, and 4 Aquarii. The 11th lunar mansion shared its name with the constellation "Xu" ("emptiness"), formed by Beta Aquarii and Alpha Equulei; it represented a bleak place associated with death and funerals. "Wei", the rooftop and 12th lunar mansion, was a V-shaped constellation formed by Alpha Aquarii, Theta Pegasi, and Epsilon Pegasi; it shared its name with two other Chinese constellations, in modern-day Scorpius and Aries.
Features.
Features Stars.
Despite both