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| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Aquarius |
| Right ascension | 22h 21m 39.3754s |
| Declination | -01° 23′ 14.393″ |
| Apparent magnitude (V) | 3.847 |
| Characteristics | |
| Spectral type | A0V |
| U-B color index | -0.12 |
| B-V color index | -0.05 |
| Astrometry | |
| Radial velocity (Rv) | -15 km/s |
| Proper motion (μ) | RA: 129.24 mas/yr Dec.: 8.90 mas/yr |
| Parallax (π) | 20.67 ± 1.71 mas |
| Distance | 160 ± 10 ly (48 ± 4 pc) |
| Absolute magnitude (MV) | 3.815 |
| Details | |
| Mass | 3,1 M☉ |
| Radius | 2,1 R☉ |
| Luminosity | 40 L☉ |
| Temperature | 7,500–10,000 K |
| Metallicity | ? |
| Rotation | 0,0051135863788 Year |
| Age | ? years |
| Orbit | |
| Companion | γ Aquarii B |
| Semimajor axis (a) | 36.5" |
| Inclination (i) | 146° |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Database references | |
| SIMBAD | data |
Gamma Aquarii (γ Aqr / γ Aquarii) is a star in the constellation Aquarius. It also has the traditional name Sadachbia.
It has an apparent magnitude of 3.84, and is 158 light years from Earth.
Location
The star's location in the sky is shown in the following map of the constellation Aquarius:
References
Components
| NAME | Right ascension | Declination | Apparent magnitude (V) | Database references |
|---|---|---|---|---|
| γ Aquarii B (BD-02 5741B) | 22h 21m 40.4s | -01° 23' 42 | 12.2 | Simbad |
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