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5 Aquarii |
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| Observation data Epoch J2000 Equinox J2000 |
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|---|---|
| Constellation | Aquarius |
| Right ascension | 20h 52m 08.6939s |
| Declination | -05° 30′ 25.413″ |
| Apparent magnitude (V) | 5.546 |
| Characteristics | |
| Spectral type | B9III |
| U−B color index | -0.27 |
| B−V color index | -0.08 |
| Variable type | Variable star |
| Astrometry | |
| Radial velocity (Rv) | -2.1 km/s |
| Proper motion (μ) | RA: 1.26 mas/yr Dec.: -6.2 mas/yr |
| Parallax (π) | 4.33 ± 1.08 mas |
| Distance | approx. 800 ly (approx. 230 pc) |
| Absolute magnitude (MV) | 5.465 |
| Details | |
| Mass | 18 M☉ |
| Radius | 7 R☉ |
| Luminosity | 20,000 L☉ |
| Temperature | 10,000–30,000 K |
| Metallicity | ? |
| Rotation | 7.09753 d |
| Age | ? years |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
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5 Aquarii is a star in the constellation Aquarius. Its apparent magnitude is 5.55.
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