Gamma Aquarii
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γ Aquarii |
|
Observation data Epoch J2000 |
|
---|---|
Constellation (pronunciation) |
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 | ? M☉ |
Radius | ? R☉ |
Luminosity | ? L☉ |
Temperature | ? K |
Metallicity | ? |
Rotation | ? |
Age | ? years |
Visual binary orbit | |
Companion | γ Aquarii B |
Semimajor axis (a) | 36.5" |
Inclination (i) | 146° |
Other designations | |
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.
[edit] Location
The star's location in the sky is shown in the following map of the constellation Aquarius:
[edit] 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 |