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77 Aquarii |
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| Observation data Epoch J2000 Equinox J2000 |
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|---|---|
| Constellation | Aquarius |
| Right ascension | 22h 54m 45.4689s |
| Declination | -16° 16′ 19.047″ |
| Apparent magnitude (V) | 5.56 |
| Characteristics | |
| Spectral type | K1III |
| U−B color index | 1.09 |
| B−V color index | 1.14 |
| Variable type | Variable star |
| Astrometry | |
| Radial velocity (Rv) | -36.3 km/s |
| Proper motion (μ) | RA: -223.65 mas/yr Dec.: -88.58 mas/yr |
| Parallax (π) | 23.27 ± 0.8 mas |
| Distance | 140 ± 5 ly (43 ± 1 pc) |
| Absolute magnitude (MV) | 6.7 |
| Details | |
| Mass | 0,8 M☉ |
| Radius | 0,9 R☉ |
| Luminosity | 0,4 L☉ |
| Temperature | 3,500–5,000 K |
| Metallicity | ? |
| Rotation | ? |
| Age | ? years |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
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77 Aquarii is a star in the constellation Aquarius. Its apparent magnitude is 5.53.
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