| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Aquarius |
| Right ascension | 21h 00m 33.84082s[1] |
| Declination | –04° 43′ 48.9421″[1] |
| Apparent magnitude (V) | 6.216[2] |
| Characteristics | |
| Spectral type | G1 V[3] |
| U−B color index | +0.22[4] |
| B−V color index | +0.63[4] |
| Astrometry | |
| Radial velocity (Rv) | -17.8 ± 2[2] km/s |
| Proper motion (μ) | RA: 48.78[1] mas/yr Dec.: –138.84[1] mas/yr |
| Parallax (π) | 37.80 ± 1.01[1] mas |
| Distance | 86 ± 2 ly (26.5 ± 0.7 pc) |
| Absolute magnitude (MV) | 4.10[2] |
| Details | |
| Mass | 1.12+0.03 −0.09[2] M☉ |
| Radius | 1.30[5] R☉ |
| Surface gravity (log g) | 4.39[6] |
| Temperature | 5,973[6] K |
| Metallicity [Fe/H] | 0.11[2]–0.28[6] dex |
| Rotational velocity (v sin i) | 5[7] km/s |
| Age | 4.7[2] Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
11 Aquarii is a sunlike star (G1V) in the constellation Aquarius with an apparent magnitude is 6.22. It is approximately 86 ly from Earth and is a main-sequence star of spectral type G1 and luminosity class V. Compared to the Sun, this star has a higher abundance of elements more massive than helium. This indicates it belongs to a class of stars called metal-rich. The star is about the same age as the Sun, but it has slightly more mass and has a larger radius.[2][5]
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