28 Aquarii
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquarius |
| Right ascension | 22h 01m 05.0152s |
| Declination | +00° 36' 16.975" |
| Apparent magnitude (V) | 5.606 |
| Characteristics | |
| Spectral type | K4III |
| U−B color index | +1.40 |
| B−V color index | +1.28 |
| Variable type | None |
| Astrometry | |
| Radial velocity (Rv) | +6.7±2 km/s |
| Proper motion (μ) | RA: 7.14 mas/yr Dec.: -11.60 mas/yr |
| Parallax (π) | 4.93 ± 0.83 mas |
| Distance | approx. 700 ly (approx. 200 pc) |
| Absolute magnitude (MV) | 6.906 |
| Details | |
| Surface gravity (log g) | 2.18 cgs |
| Temperature | 4260 K |
| Metallicity | Z=-0.16 |
| Other designations | |
| Database references | |
| SIMBAD | data |
28 Aquarii (abbreviated 28 Aqr) is an orange giant star in the constellation of Aquarius. 28 Aquarii is the Flamsteed designation. It is approximately 700 lys away from Earth. It has less metallicity than the Sun, suggesting that it is older than the Sun.
External links
- "Simbad query". Retrieved October 4, 2010.
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