28 Aquarii
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28 Aquarii
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This article includes a list of references, related reading or external links, but its sources remain unclear because it lacks inline citations. Please improve this article by introducing more precise citations. (October 2010) |
| Observation data Epoch J2000 Equinox J2000 |
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|---|---|
| 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 |
| Temperature | 4260 K |
| Metallicity | Z=-0.16 |
| Other designations | |
| Database references | |
| SIMBAD | data |
28 Aquarii is an orange giant star of the Aquarius constellation. 28 Aqr is approximately 700 lys away from earth. 28 Aqr has less metallicity than the Sun, meaning that it is possibly older than the Sun.
External links
- "Simbad query". http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=28+aqr&submit=SIMBAD+search. Retrieved October 4, 2010.
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