
Star profile
Theta Sculptor
What is Theta Sculptor
Theta Sculptoris is a main-sequence F5 V star some 71 light-years away, with 1.25 solar masses, 1.40 solar radii and three times the Sun's luminosity at 6,395 K. It is approaching us at 21 km/s and, in half a million years, will lie just 49 light-years away. It also belongs to an astrometric binary system, in the quiet constellation of the Sculptor.
Where it is and when to see it
Theta Sculptor lies in the southern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is September, when it culminates around midnight.
- From London it culminates about 3° above the horizon.
- From New York it culminates about 14° above the horizon.
- From Sydney it culminates about 89° above the horizon.
It can be seen from anywhere south of 55° N.
It ranks no. 8 in brightness among the 33 stars of Sculptor in our catalogue. To find it, start from Alpha Sculptor, the brightest: it lies about 11° away (a fist at arm's length covers about 10°).
The light you see today left it about 69 years ago.
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Astronomical data for Theta Sculptor
- Constellation
- Sculptor
- Apparent magnitude
- 5.24
- Distance
- 69.4 light years
- Coordinates (J2000)
- RA 2.933° · Dec -35.133°
- Catalogue
- HIP 950 · HD 739
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Other stars in Sculptor
Sculptor has 33 stars in Stelvia's catalogue. Here are a few of them.
- Alpha Sculptor4.30
- Beta Sculptor4.38
- Gamma Sculptor4.41
- Eta Sculptor4.86
- Zeta Sculptor5.04
- Iota Sculptor5.18
- Pi Sculptor5.25
- Epsilon Sculptor5.29