Star profile

Beta 3 Tucanae

3D likeness based on its real data · class A · ~8,500 K

What is Beta 3 Tucanae

Beta-3 Tucanae is part of a hierarchical sextuple stellar system in the constellation of the Toucan, every member belonging to the Tucana-Horologium association, one of the youngest stellar groupings near the Sun at just 45 million years. Infrared observations reveal a cold debris disc around it, leftovers from planet-forming processes. At 149 light-years, it pulses white and youthful among the feathers of the southern bird.

Where it is and when to see it

Beta 3 Tucanae 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 never rises above the horizon.
From New York it never rises above the horizon.
From Sydney it never sets and culminates about 61° up.

It can be seen from anywhere south of 27° N.

It ranks no. 11 in brightness among the 28 stars of Tucana in our catalogue. To find it, start from Alpha Tucanae, the brightest: it lies about 16° 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 Beta 3 Tucanae

Constellation: Tucana
Apparent magnitude: 5.07
Distance: 148.6 light years
Coordinates (J2000): RA 8.183° · Dec -63.032°
Catalogue: HIP 2578 · HD 3003

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Other stars in Tucana

Tucana has 28 stars in Stelvia's catalogue. Here are a few of them.

See all 28 stars in Tucana