Star profile

Iota Piscis Austrini

Hot blue star

3D likeness based on its real data · class B · ~15,000 K

What is Iota Piscis Austrini

Iota Piscis Austrini is a blue main-sequence star with a surface above 10,000 K, distinctly hotter than the Sun. At 204 light-years inside the Southern Fish —the same constellation that holds Fomalhaut—, it is accompanied by a faint magnitude-11.4 companion roughly twenty arcseconds away, first logged by German astronomer Engelmann in the late 19th century and barely shifted in the long century since.

Where it is and when to see it

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

From London it culminates about 5° above the horizon.
From New York it culminates about 16° above the horizon.
From Sydney it culminates about 89° above the horizon.

It can be seen from anywhere south of 57° N.

It ranks no. 5 in brightness among the 26 stars of Piscis Austrinus in our catalogue. To find it, start from Fomalhaut, the brightest: it lies about 16° away (a fist at arm's length covers about 10°).

The light you see today left it about 200 years ago.

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Astronomical data for Iota Piscis Austrini

Constellation: Piscis Austrinus
Apparent magnitude: 4.35
Distance: 204.3 light years
Coordinates (J2000): RA 326.237° · Dec -33.026°
Catalogue: HIP 107380 · HD 206742

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Other stars in Piscis Austrinus

Piscis Austrinus has 26 stars in Stelvia's catalogue. Here are a few of them.

See all 26 stars in Piscis Austrinus