53 Aquarii
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| Observation data Epoch J2000 |
|
|---|---|
| Constellation (pronunciation) |
Aquarius |
| Right ascension | 22h 26m 34.2753s |
| Declination | -16° 44′ 31.697″ |
| Apparent magnitude (V) | 6.35 |
| Characteristics | |
| Spectral type | G1V |
| U-B color index | 0.09 |
| B-V color index | 0.61 |
| Astrometry | |
| Radial velocity (Rv) | -6.2 km/s |
| Proper motion (μ) | RA: 209.77 mas/yr Dec.: 3.96 mas/yr |
| Parallax (π) | 49.8 ± 2.54 mas |
| Distance | 65 ± 3 ly (20 ± 1 pc) |
| Absolute magnitude (MV) | 6.15 |
| Details | |
| Mass | ? M☉ |
| Radius | ? R☉ |
| Luminosity | ? L☉ |
| Temperature | ? K |
| Metallicity | ? |
| Rotation | ? |
| Age | ? years |
| Visual binary orbit | |
| Companion | 53 Aquarii B |
| Semimajor axis (a) | 3.3" |
| Inclination (i) | 351° |
| Visual binary orbit | |
| Companion | 53 Aquarii C |
| Semimajor axis (a) | ?" |
| Inclination (i) | ?° |
| Visual binary orbit | |
| Companion | 53 Aquarii D |
| Semimajor axis (a) | ?" |
| Inclination (i) | ?° |
| Other designations | |
| Database references | |
| SIMBAD | data |
53 Aquarii is the nearest, double star in the constellation Aquarius. Its apparent magnitude is 5.55. It is approximately 65.49 light years from Earth.
[edit] Components
| NAME | Right ascension | Declination | Apparent magnitude (V) | Spectral type | Database references |
|---|---|---|---|---|---|
| 53 Aquarii B (CCDM J22266-1644AB) | 22h 26m 33.4s | -16° 44' 32 | 5.5 | G0 | Simbad |
| 53 Aquarii C (LTT 9025) | 22h 26m 34.2s | -16° 44' 29.0 | 6.57 | G5Vfe-08H-1 | Simbad |
| 53 Aquarii D (CCDM J22266-1644CD) | 22h 26m 32.1s | -16° 43' 42 | 12.5 | Simbad |

