Star profile

Psi 1 Aquarii

3D likeness based on its real data · class K · ~4,200 K

What is Psi 1 Aquarii

Psi-1 Aquarii leads a small triangle of psi stars on the flank of the Water Bearer, the figure pouring his jar toward the southern fishes. An orange type K giant some 150 light-years away, it has left its youth behind to swell and redden. Its warm tone offers a counterpoint to the soft whites dominating the region, and together with its two psi companions it forms one of the most recognisable markers on the Water Bearer's torso.

Where it is and when to see it

Psi 1 Aquarii lies in the southern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is September, when it culminates around midnight.

From London it culminates about 29° above the horizon.
From New York it culminates about 40° above the horizon.
From Sydney it culminates about 65° above the horizon.

It can be seen from anywhere south of 81° N.

It ranks no. 14 in brightness among the 99 stars of Aquarius in our catalogue. To find it, start from Sadalsuud, the brightest: it lies about 26° away (a fist at arm's length covers about 10°).

The light you see today left it about 150 years ago.

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Astronomical data for Psi 1 Aquarii

Constellation: Aquarius
Apparent magnitude: 4.24
Distance: 149.8 light years
Coordinates (J2000): RA 348.973° · Dec -9.088°
Catalogue: HIP 114855 · HD 219449

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Other stars in Aquarius

Aquarius has 99 stars in Stelvia's catalogue. Here are a few of them.

See all 99 stars in Aquarius