Star profile

32 Orionis

Hot blue star

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

What is 32 Orionis

32 Orionis is a blue-white luminary catalogued by Flamsteed near the Hunter's feet, beyond the lower edge of the Belt asterism. Its B-class spectrum and magnitude 4.2 hint at a surface far hotter than the Sun, pouring ultraviolet light onto neighbouring interstellar clouds. The photons reaching us tonight set out from its atmosphere roughly three centuries ago, long before astronomical photography existed.

Where it is and when to see it

32 Orionis lies in the northern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is December, when it culminates around midnight.

From London it culminates about 44° above the horizon.
From New York it culminates about 55° above the horizon.
From Sydney it culminates about 50° above the horizon.

It can be seen from anywhere north of 84° S.

It ranks no. 20 in brightness among the 128 stars of Orion in our catalogue. To find it, start from Rigel, the brightest: it lies about 15° away (a fist at arm's length covers about 10°).

The light you see today left it about 300 years ago.

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Astronomical data for 32 Orionis

Constellation: Orion
Apparent magnitude: 4.20
Distance: 302.9 light years
Coordinates (J2000): RA 82.696° · Dec 5.948°
Catalogue: HIP 25813 · HD 36267

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Other stars in Orion

Orion has 128 stars in Stelvia's catalogue. Here are a few of them.

See all 128 stars in Orion