Zeta Arae
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ζ Arae |
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| Observation data Epoch J2000 Equinox J2000 |
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|---|---|
| Constellation | Ara |
| Right ascension | 16h 58m 37.2117s |
| Declination | -55° 59′ 24.507″ |
| Apparent magnitude (V) | 3.127 |
| Characteristics | |
| Spectral type | K3III |
| U-B color index | 1.97 |
| B-V color index | 1.6 |
| Astrometry | |
| Radial velocity (Rv) | -6.0 km/s |
| Proper motion (μ) | RA: -18.31 mas/yr Dec.: -35.29 mas/yr |
| Parallax (π) | 5.68 ± 0.91 mas |
| Distance | approx. 570 ly (approx. 180 pc) |
| Absolute magnitude (MV) | 4.77 |
| Details | |
| Mass | 0,8 M☉ |
| Radius | 0,9 R☉ |
| Luminosity | 0,4 L☉ |
| Temperature | 3,500–5,000 K |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
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Zeta Arae (ζ Ara / ζ Arae) is a star in the constellation Ara.
Zeta Arae is an orange K-type giant with an apparent magnitude of +3.12. It is approximately 574 light years from Earth.
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