Star profile

Psi Octans

3D likeness based on its real data · class F · ~6,500 K

What is Psi Octans

Psi Octantis is a peculiar yellow-white giant of class F0 IIp at 126 light-years, with 1.49 solar masses, 1.74 solar radii and nearly eight times the Sun's luminosity at 7,244 K. Its iron abundance reaches 91% of the Sun's, and its age sits around 1.4 billion years. It shines quietly near the southern celestial pole, in the small Octant, where so few naked-eye stars compete for attention.

Where it is and when to see it

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

From London it never rises above the horizon.
From New York it never rises above the horizon.
From Sydney it never sets and culminates about 46° up.

It can be seen from anywhere south of 12° N.

It ranks no. 16 in brightness among the 35 stars of Octans in our catalogue. To find it, start from Nu Octans, the brightest: it lies about 2° away (a fist at arm's length covers about 10°).

The light you see today left it about 130 years ago.

Find it on the sky map

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Leave your signature on Psi Octans

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A public signature from a real person. The chosen name is a symbolic denomination within Stelvia, with no official standing or IAU recognition: the sky is not for sale and belongs to no one.

Astronomical data for Psi Octans

Constellation: Octans
Apparent magnitude: 5.49
Distance: 125.6 light years
Coordinates (J2000): RA 334.461° · Dec -77.512°
Catalogue: HIP 110078 · HD 210853

A symbolic commemorative gift: neither the signature nor the chosen name implies ownership of the star or recognition by the IAU.

Other stars in Octans

Octans has 35 stars in Stelvia's catalogue. Here are a few of them.

See all 35 stars in Octans