Observation data Epoch J2000 Equinox J2000 |
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Constellation | Aquarius |
Right ascension | 21h 39m 33.2658s |
Declination | +02° 14′ 36.81″ |
Apparent magnitude (V) | 5.106 |
Characteristics | |
Spectral type | K0III |
U−B color index | 0.9 |
B−V color index | 1.04 |
Astrometry | |
Radial velocity (Rv) | -34.7 km/s |
Proper motion (μ) | RA: -32.70 mas/yr Dec.: -84.17 mas/yr |
Parallax (π) | 13.55 ± 0.88 mas |
Distance | 240 ± 20 ly (74 ± 5 pc) |
Absolute magnitude (MV) | 6.135 |
Details | |
Mass | 0,8 M☉ |
Radius | 0,9 R☉ |
Luminosity | 0,4 L☉ |
Temperature | 3,500–5,000 K |
Metallicity | ? |
Rotation | < 0,006574611 Year |
Age | ? years |
Orbit | |
Companion | 25 Aquarii B |
Semimajor axis (a) | 132.6" |
Inclination (i) | 45° |
Other designations | |
Database references | |
SIMBAD | data |
Database references | |
SIMBAD | data |
25 Aquarii is a star in the constellation Aquarius. Its apparent magnitude is 5.10.
NAME | Right ascension | Declination | Apparent magnitude (V) | Database references |
---|---|---|---|---|
25 Aquarii B (BD+01 4517B) | 21h 39m 39.6s | +02° 16' 12 | 11.6 | Simbad |
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