Theta Piscis Austrini
Binary star system in Piscis Austrinus with equal-magnitude A-type components.
Theta Piscis Austrini is a binary star system in the southern constellation Piscis Austrinus, faintly visible to the naked eye. Its binary nature was discovered in 1951. The two A-type main sequence components have the same apparent magnitude and orbit with a 20-year period.
Quick Facts
- Combined apparent magnitude
- 5.01
- Distance
- 320 light years
- Radial velocity
- +13 km/s
- Binary discovery year
- 1951
- Orbital period
- 20 years
- Orbital eccentricity
- 0.256
- Stellar classification
- A1 V
Facts from the source article.
More in Bright Stars by Bayer Designation: Binary and Multiple Stars
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