
Star profile
Pi Lupi
Hot blue starWhat is Pi Lupi
Pi Lupi is a hot blue star belonging to the Scorpius–Centaurus association, the closest group of young and energetic stars to the Sun. It was born barely fifteen million years ago in the same molecular cloud as many of its bright southern neighbours, and still radiates the feverish wind of B-type stars. From 443 light years away, its blue-white blaze burns along the back of the Wolf, creature of the southern firmament.
Where it is and when to see it
Pi Lupi lies in the southern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is May, when it culminates around midnight.
- From London it never rises above the horizon.
- From New York it culminates about 2° above the horizon.
- From Sydney it culminates about 77° above the horizon.
It can be seen from anywhere south of 43° N.
It ranks no. 11 in brightness among the 74 stars of Lupus in our catalogue. To find it, start from Alpha Lupi, the brightest: it lies about 4° away (a fist at arm's length covers about 10°).
The light you see today left it about 440 years ago.
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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 Pi Lupi
- Constellation
- Lupus
- Apparent magnitude
- 3.91
- Distance
- 443.2 light years
- Coordinates (J2000)
- RA 226.280° · Dec -47.051°
- Catalogue
- HIP 73807 · HD 133242
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Other stars in Lupus
Lupus has 74 stars in Stelvia's catalogue. Here are a few of them.
- Alpha Lupi2.30
- Beta Lupi2.68
- Gamma Lupi2.80
- Iota Lupi3.55
- Phi 1 Lupi3.57
- Kappa 1 Lupi3.88
- Chi Lupi3.97
- Rho Lupi4.05