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 |